CN204206418U - A kind of hermetically sealed full range Hi-Fi sound-box - Google Patents

A kind of hermetically sealed full range Hi-Fi sound-box Download PDF

Info

Publication number
CN204206418U
CN204206418U CN201420573772.XU CN201420573772U CN204206418U CN 204206418 U CN204206418 U CN 204206418U CN 201420573772 U CN201420573772 U CN 201420573772U CN 204206418 U CN204206418 U CN 204206418U
Authority
CN
China
Prior art keywords
loudspeaker
passive
casing
bellmouth orifice
active
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420573772.XU
Other languages
Chinese (zh)
Inventor
万卫平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU MAXTRONICS ELECTRONICS Co Ltd
Original Assignee
CHANGZHOU MAXTRONICS ELECTRONICS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHANGZHOU MAXTRONICS ELECTRONICS Co Ltd filed Critical CHANGZHOU MAXTRONICS ELECTRONICS Co Ltd
Priority to CN201420573772.XU priority Critical patent/CN204206418U/en
Application granted granted Critical
Publication of CN204206418U publication Critical patent/CN204206418U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The utility model relates to a kind of hermetically sealed full range Hi-Fi sound-box, comprises casing, the first passive loudspeaker, the second passive loudspeaker, first initiatively loudspeaker and second initiatively loudspeaker.Casing has inner chamber body, and casing is provided with each bellmouth orifice.First passive loudspeaker, the second passive loudspeaker, first initiatively loudspeaker and the second active loudspeaker are all arranged on casing by securing member, and are positioned at casing, each bellmouth orifice place.And the first passive loudspeaker and the second passive loudspeaker are coaxially set, and the first passive loudspeaker and the second passive loudspeaker are back to setting.First active loudspeaker and second initiatively loudspeaker are positioned at the both sides of the second passive loudspeaker, and the first active loudspeaker are parallel with the second passive loudspeaker with the axis of the second active loudspeaker, and the space of the inner chamber body of casing formation totally-enclosed after each bellmouth orifice of casing is blocked by the first passive loudspeaker, the second passive loudspeaker, the first active loudspeaker, the second active loudspeaker, tightr like this by air compressing, initiatively and the sound that sends of passive loudspeaker stronger.

Description

A kind of hermetically sealed full range Hi-Fi sound-box
Technical field
The utility model relates to loudspeaker box structure technical field, particularly a kind of full-range cabinet.
Background technology
Traditional full-range cabinet is contained in the casing of audio amplifier with a Full-frequency trumpet, realizes the effect of full range by casing adding an echo hole, and such scheme only better, can will accomplish that low middle high three frequency ranges are taken into account at the audio of certain frequency range, substantially impossible; Particularly little audio amplifier, little audio amplifier can only accomplish that reasonable medium-high frequency shows, because little sound box is smaller, adds the restriction of unit, so low frequency aspect can be subject to a lot of restrictions certainly.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of at three all good hermetically sealed full range Hi-Fi sound-boxes of frequency range audio.
The technical scheme realizing the utility model object is to provide a kind of hermetically sealed full range Hi-Fi sound-box, comprises casing, the first passive loudspeaker, the second passive loudspeaker, first initiatively loudspeaker and second initiatively loudspeaker.
Casing has inner chamber body, and casing is provided with each bellmouth orifice.
First passive loudspeaker, the second passive loudspeaker, first initiatively loudspeaker and the second active loudspeaker are all arranged on casing by securing member, and are positioned at casing, each bellmouth orifice place.And the first passive loudspeaker and the second passive loudspeaker are coaxially set, and the first passive loudspeaker and the second passive loudspeaker are back to setting.First active loudspeaker and second initiatively loudspeaker are positioned at the both sides of the second passive loudspeaker, and the first active loudspeaker are parallel with the second passive loudspeaker with the axis of the second active loudspeaker, and the space of the inner chamber body of casing formation totally-enclosed after each bellmouth orifice of casing is blocked by the first passive loudspeaker, the second passive loudspeaker, the first active loudspeaker, the second active loudspeaker.
Further, the overall casing in cuboid hull shape comprises the rear cover of box and casing protecgulum that are removably linked together by securing member, and the rear plate central authorities of rear cover of box are provided with the first through passive bellmouth orifice of front and back.The upper back of rear cover of box and rear lower are respectively provided with an opening upper groove backward and lower groove, and upper groove and lower groove lay respectively at the both sides up and down of the first passive bellmouth orifice, and upper groove and lower groove are for settling power amplifier and the peripheral circuit thereof of audio amplifier.The base plate of rear cover of box is provided with feet.The header board of casing protecgulum is provided with the second through passive bellmouth orifice of front and back, first initiatively bellmouth orifice and second initiatively bellmouth orifice, first active bellmouth orifice and second initiatively bellmouth orifice lays respectively at the both sides up and down of the second passive bellmouth orifice, and the first active bellmouth orifice is positioned at upside.Second passive bellmouth orifice and the first passive bellmouth orifice coaxial line.
Further, the first passive loudspeaker and the second passive loudspeaker are all the passive loudspeaker be made up of frame, cone, counterweight, bullet ripple dust cap and glue, and the frame of the first passive loudspeaker is the first frame, and the frame of the second passive loudspeaker is the second frame.First active loudspeaker and second initiatively loudspeaker are all the active loudspeaker be made up of frame, cone, bullet ripple, T iron, magnet steel, clamping plate, litzendraht wire, dust cap, weld tabs and glue, the frame of the first active loudspeaker is the 3rd frame, and the frame of the second active loudspeaker is the 4th frame.First passive loudspeaker are arranged in rear cover of box by securing member, and are positioned at the front of the first passive bellmouth orifice of casing, rear cover of box, and the first passive loudspeaker and the first passive bellmouth orifice coaxial line, and the cone of the first passive loudspeaker is towards the outside of casing.Second passive loudspeaker are arranged on casing protecgulum by securing member, and are positioned at the rear of the second passive bellmouth orifice of casing, casing protecgulum, and the second passive loudspeaker and the second passive bellmouth orifice coaxial line, and the cone of the second passive loudspeaker is towards the outside of casing.First initiatively loudspeaker arranged on casing protecgulum by securing member, and be positioned at the rear of the first initiatively bellmouth orifice of casing, casing protecgulum, and the first initiatively loudspeaker and the first active bellmouth orifice coaxial line, the cone of the first active loudspeaker is towards the outside of casing.Second initiatively loudspeaker arranged on casing protecgulum by securing member, and be positioned at the rear of the second initiatively bellmouth orifice of casing, casing protecgulum, and the second initiatively loudspeaker and the second active bellmouth orifice coaxial line, the cone of the first active loudspeaker is towards the outside of casing.
Further, the first active bellmouth orifice and the second active bellmouth orifice are the little shoulder hole of outer imperial palace.
The outermost of the 3rd frame of the first active loudspeaker and the 4th frame of the second active loudspeaker is equipped with the edge coverboard being greater than inner side, and the end difference of the shape of described edge coverboard and the first active bellmouth orifice or the second active bellmouth orifice is corresponding.First active loudspeaker are stuck in the ladder position of the first active bellmouth orifice by the edge coverboard of its 3rd frame and are arranged on casing protecgulum by securing member.Second active loudspeaker are stuck in the ladder position of the second active bellmouth orifice by the edge coverboard of its 4th frame and are arranged on casing protecgulum by securing member.
Further, the hermetically sealed full range Hi-Fi sound-box of described one also comprises rear net cover, front mesh enclosure and status indicator lamp.Rear net cover is removably disposed in the rear cover of box of casing by securing member, and is positioned at outside the first passive bellmouth orifice place, casing.Front mesh enclosure is removably disposed on the casing protecgulum of casing by securing member, and is positioned at outside casing.Status indicator lamp is arranged on front mesh enclosure.
The utility model has positive effect: one of the present utility model hermetically sealed full range Hi-Fi sound-box is by 2 passive loudspeaker coaxial lines, back to setting, 2 active loudspeaker are separately positioned on the both sides of passive loudspeaker, and the axis being parallel of four loudspeaker, and by the cavity sealing in casing, like this can tightr by air compressing, pass through vibration principle, 2 initiatively the sound that sends of loudspeaker and 2 passive loudspeaker is stronger, more true to nature, all better in high, normal, basic three frequency range audios performance, take into account low middle high three frequency ranges.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation (front view) of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the rearview of Fig. 1;
Fig. 4 is the A-A face cutaway view of Fig. 1;
Fig. 5 is the explosive view of Fig. 2;
Fig. 6 is a kind of schematic perspective view of the present utility model;
Fig. 7 is the explosive view of Fig. 6;
In order to the observation of structural relation is convenient, in above-mentioned each accompanying drawing, the securing member of similar fixed screw is and illustrates.
Mark in above-mentioned accompanying drawing is as follows: casing 1, rear cover of box 11, the first passive bellmouth orifice 11-1, upper groove 11-2, lower groove 11-3, the passive bellmouth orifice 12-1 of casing protecgulum 12, second, first active bellmouth orifice 12-2, the second active bellmouth orifice 12-3, the first passive loudspeaker 2, first frame 21, second passive loudspeaker 3, second frame 31, first active loudspeaker the 4, three frame 41, second initiatively loudspeaker 5,4th frame 51, front mesh enclosure 7, status indicator lamp 8.
Embodiment
(embodiment 1)
See Fig. 1 to Fig. 7, the one hermetically sealed full range Hi-Fi sound-box of the present embodiment comprises the passive loudspeaker 3, first of casing the 1, first passive loudspeaker 2, second initiatively loudspeaker 4, second initiatively loudspeaker 5, rear net cover, front mesh enclosure 7 and status indicator lamp 8, the overall casing 1 in cuboid hull shape comprises the rear cover of box 11 and casing protecgulum 12 that are removably linked together by securing member, and in the present embodiment, casing protecgulum 12 is connected in rear cover of box 11 by 8 fixed screw (not shown)s; Casing 1 has cavity; The rear plate central authorities of rear cover of box 11 are provided with the first through passive bellmouth orifice 11-1 of front and back; The upper back of rear cover of box 11 and rear lower are respectively provided with an opening upper groove 11-2 backward and lower groove 11-3, upper groove 11-2 and lower groove 11-3 lays respectively at the both sides up and down of the first passive bellmouth orifice 11-1, and upper groove 11-2 and lower groove 11-3 is for settling power amplifier and the peripheral circuit (not shown) thereof of audio amplifier; The base plate of rear cover of box 11 is provided with feet.The header board of casing protecgulum 12 is provided with the second through passive bellmouth orifice 12-1 of front and back, first initiatively bellmouth orifice 12-2 and second initiatively bellmouth orifice 12-3, first active bellmouth orifice 12-2 and second initiatively bellmouth orifice 12-3 lays respectively at the both sides up and down of the second passive bellmouth orifice 12-1, and the first active bellmouth orifice 12-2 is positioned at upside; When casing protecgulum 12 is arranged in rear cover of box 11, the second passive bellmouth orifice 12-1 and the first passive bellmouth orifice 11-1 coaxial line; First active bellmouth orifice 12-2 and second initiatively bellmouth orifice 12-3 is the little shoulder hole of outer imperial palace.
Still see Fig. 1 to Fig. 7, first passive loudspeaker 2 and the second passive loudspeaker 3 are all the passive loudspeaker be made up of frame, cone, counterweight, bullet ripple dust cap and glue, wherein all not shown in cone, counterweight, bullet ripple dust cap and glue figure, the frame of the first passive loudspeaker 2 is the frame of the passive loudspeaker 3 of the first frame 21, second is the second frame 31.First active loudspeaker 4 and the second active loudspeaker 5 are all by frame, cone, play ripple, T iron, magnet steel, clamping plate, litzendraht wire, dust cap, the active loudspeaker that weld tabs and glue are formed, wherein cone, play ripple, T iron, magnet steel, clamping plate, litzendraht wire, dust cap, all not shown in weld tabs and glue figure, the frame of the first active loudspeaker 4 is the 3rd frame 41, the frame of the second active loudspeaker 5 is the 4th frame 51, the outermost of the 3rd frame 41 and the 4th frame 51 is equipped with the edge coverboard being greater than inner side, and the end difference of the shape of described edge coverboard and the first active bellmouth orifice 12-2 or second active bellmouth orifice 12-3 is corresponding.First passive loudspeaker 2 arrange in rear cover of box 11 by securing member, and be positioned at the front of the first passive bellmouth orifice 11-1 of casing 1, rear cover of box 11, and the first passive loudspeaker 2 and the first passive bellmouth orifice 11-1 coaxial line, the cone of the first passive loudspeaker 2 is towards the outside (being rear side in Fig. 1) of casing 1.Second passive loudspeaker 3 arrange on casing protecgulum 12 by securing member, and be positioned at the rear of the second passive bellmouth orifice 12-1 of casing 1, casing protecgulum 12, and the second passive loudspeaker 3 and the second passive bellmouth orifice 12-1 coaxial line, the cone of the second passive loudspeaker 3 is towards the outside (being front side in Fig. 1) of casing 1.First active loudspeaker 4 are stuck in the ladder position of the first active bellmouth orifice 12-2 by the edge coverboard of its 3rd frame 41 and arrange on casing protecgulum 12 by securing member, and be positioned at the rear of the first initiatively bellmouth orifice 12-2 of casing 1, casing protecgulum 12, and the first initiatively loudspeaker 4 and the first initiatively bellmouth orifice 12-2 coaxial line, the cone of the first active loudspeaker 4 is towards the outside (being front side in Fig. 1) of casing 1.Second active loudspeaker 5 are stuck in the ladder position of the second active bellmouth orifice 12-3 by the edge coverboard of its 4th frame 51 and arrange on casing protecgulum 12 by securing member, and be positioned at the rear of the second initiatively bellmouth orifice 12-3 of casing 1, casing protecgulum 12, and the second initiatively loudspeaker 5 and the second initiatively bellmouth orifice 12-3 coaxial line, the cone of the second active loudspeaker 5 is towards the outside (being front side in Fig. 1) of casing 1.Thus the first passive loudspeaker 2 and the second passive loudspeaker 3 are coaxially set, and the first passive loudspeaker 2 and the second passive loudspeaker 3 are back to setting; First active loudspeaker 4 and the second active loudspeaker 5 are positioned at the both sides up and down of the second passive loudspeaker 3, and the first active loudspeaker 4 are parallel with the second passive loudspeaker 3 with the axis of the second active loudspeaker 5, and the inner chamber body of casing 1 forms the space of a totally-enclosed after each bellmouth orifice of casing 1 is blocked by passive loudspeaker 3, first active loudspeaker 4, the second active loudspeaker 5 of the first passive loudspeaker 2, second.
Rear net cover is removably disposed in the rear cover of box 11 of casing 1 by securing member, and is positioned at outside the first passive bellmouth orifice 11-1 place, casing 1, thus is blocked by the cone of the first passive loudspeaker 2.Front mesh enclosure 7 is removably disposed on the casing protecgulum 12 of casing 1 by securing member, and is positioned at outside casing 1, thus is blocked by the cone of the second passive loudspeaker 3, first active loudspeaker 4 and the second active loudspeaker 5.Status indicator lamp 8 is arranged on front mesh enclosure 7, is used to indicate the running status of whole audio amplifier, and its electrical interconnection is not shown.
Cavity sealing in the casing 1 of a kind of hermetically sealed full range Hi-Fi sound-box of the present embodiment, like this can tightr by air compressing, pass through vibration principle, the sound that first active loudspeaker 4, second active loudspeaker 5 and the passive loudspeaker 3 of the first passive loudspeaker 2, second send is stronger, more true to nature, all better at high, normal, basic three frequency range audios.

Claims (5)

1. a hermetically sealed full range Hi-Fi sound-box, is characterized in that: comprise casing (1), the first passive loudspeaker (2), the second passive loudspeaker (3), first initiatively loudspeaker (4) and second initiatively loudspeaker (5);
Casing (1) has inner chamber body, and casing (1) is provided with each bellmouth orifice;
First passive loudspeaker (2), the second passive loudspeaker (3), first initiatively loudspeaker (4) and the second active loudspeaker (5) are all arranged on casing (1) by securing member, and are positioned at casing (1), each bellmouth orifice place; And the first passive loudspeaker (2) and the second passive loudspeaker (3) are coaxially set, and the first passive loudspeaker (2) and the second passive loudspeaker (3) are back to setting; First active loudspeaker (4) and second initiatively loudspeaker (5) is positioned at the both sides of the second passive loudspeaker (3), and the axis of the first initiatively loudspeaker (4) and second initiatively loudspeaker (5) is parallel with the second passive loudspeaker (3), and the inner chamber body of casing (1) is blocked the space of a rear formation totally-enclosed by the first passive loudspeaker (2), the second passive loudspeaker (3), the first active loudspeaker (4), the second active loudspeaker (5) at each bellmouth orifice of casing (1).
2. the hermetically sealed full range Hi-Fi sound-box of one according to claim 1, it is characterized in that: the overall casing (1) in cuboid hull shape comprises the rear cover of box (11) and casing protecgulum (12) that are removably linked together by securing member, the rear plate central authorities of rear cover of box (11) are provided with the first through passive bellmouth orifice (11-1) of front and back; The upper back of rear cover of box (11) and rear lower are respectively provided with an opening upper groove (11-2) backward and lower groove (11-3), upper groove (11-2) and lower groove (11-3) lay respectively at the both sides up and down of the first passive bellmouth orifice (11-1), and upper groove (11-2) and lower groove (11-3) are for settling power amplifier and the peripheral circuit thereof of audio amplifier; The base plate of rear cover of box (11) is provided with feet; The header board of casing protecgulum (12) is provided with the second through passive bellmouth orifice (12-1) of front and back, first initiatively bellmouth orifice (12-2) and second initiatively bellmouth orifice (12-3), first active bellmouth orifice (12-2) and second initiatively bellmouth orifice (12-3) lays respectively at the both sides up and down of the second passive bellmouth orifice (12-1), and the first active bellmouth orifice (12-2) is positioned at upside; Second passive bellmouth orifice (12-1) and the first passive bellmouth orifice (11-1) coaxial line.
3. the hermetically sealed full range Hi-Fi sound-box of one according to claim 2, it is characterized in that: the first passive loudspeaker (2) and the second passive loudspeaker (3) are all the passive loudspeaker be made up of frame, cone, counterweight, bullet ripple dust cap and glue, the frame of the first passive loudspeaker (2) is the first frame (21), and the frame of the second passive loudspeaker (3) is the second frame (31); First active loudspeaker (4) and second initiatively loudspeaker (5) is all the active loudspeaker be made up of frame, cone, bullet ripple, T iron, magnet steel, clamping plate, litzendraht wire, dust cap, weld tabs and glue, the frame of the first active loudspeaker (4) is the 3rd frame (41), and the frame of the second active loudspeaker (5) is the 4th frame (51); First passive loudspeaker (2) arrange in rear cover of box (11) by securing member, and be positioned at the front of the first passive bellmouth orifice (11-1) of casing (1), rear cover of box (11), and the first passive loudspeaker (2) and the first passive bellmouth orifice (11-1) coaxial line, the cone of the first passive loudspeaker (2) is towards the outside of casing (1); Second passive loudspeaker (3) arrange on casing protecgulum (12) by securing member, and be positioned at the rear of the second passive bellmouth orifice (12-1) of casing (1), casing protecgulum (12), and the second passive loudspeaker (3) and the second passive bellmouth orifice (12-1) coaxial line, the cone of the second passive loudspeaker (3) is towards the outside of casing (1); First active loudspeaker (4) arranges on casing protecgulum (12) by securing member, and be positioned at the rear of the first initiatively bellmouth orifice (12-2) of casing (1), casing protecgulum (12), and the first initiatively loudspeaker (4) and the first initiatively bellmouth orifice (12-2) coaxial line, the cone of the first initiatively loudspeaker (4) is towards the outside of casing (1); Second active loudspeaker (5) arranges on casing protecgulum (12) by securing member, and be positioned at the rear of the second initiatively bellmouth orifice (12-3) of casing (1), casing protecgulum (12), and the second initiatively loudspeaker (5) and the second initiatively bellmouth orifice (12-3) coaxial line, the cone of the first initiatively loudspeaker (4) is towards the outside of casing (1).
4. the hermetically sealed full range Hi-Fi sound-box of one according to claim 3, is characterized in that: the first active bellmouth orifice (12-2) and second initiatively bellmouth orifice (12-3) is the little shoulder hole of outer imperial palace;
The outermost of the 3rd frame (41) of the first active loudspeaker (4) and the 4th frame (51) of the second active loudspeaker (5) is equipped with the edge coverboard being greater than inner side, and the end difference of the shape of described edge coverboard and the first active bellmouth orifice (12-2) or the second active bellmouth orifice (12-3) is corresponding; First active loudspeaker (4) is stuck in the ladder position of the first active bellmouth orifice (12-2) by the edge coverboard of its 3rd frame (41) and arranges on casing protecgulum (12) by securing member; Second active loudspeaker (5) is stuck in the ladder position of the second active bellmouth orifice (12-3) by the edge coverboard of its 4th frame (51) and is arranged on casing protecgulum (12) by securing member.
5. the hermetically sealed full range Hi-Fi sound-box of one according to claim 2, is characterized in that: also comprise rear net cover, front mesh enclosure (7) and status indicator lamp (8); Rear net cover is removably disposed in the rear cover of box (11) of casing (1) by securing member, and is positioned at the first passive bellmouth orifice (11-1) place, casing (1) outward; Front mesh enclosure (7) is removably disposed on the casing protecgulum (12) of casing (1) by securing member, and is positioned at casing (1) outward; Status indicator lamp (8) is arranged on front mesh enclosure (7).
CN201420573772.XU 2014-10-07 2014-10-07 A kind of hermetically sealed full range Hi-Fi sound-box Expired - Fee Related CN204206418U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420573772.XU CN204206418U (en) 2014-10-07 2014-10-07 A kind of hermetically sealed full range Hi-Fi sound-box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420573772.XU CN204206418U (en) 2014-10-07 2014-10-07 A kind of hermetically sealed full range Hi-Fi sound-box

Publications (1)

Publication Number Publication Date
CN204206418U true CN204206418U (en) 2015-03-11

Family

ID=52664325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420573772.XU Expired - Fee Related CN204206418U (en) 2014-10-07 2014-10-07 A kind of hermetically sealed full range Hi-Fi sound-box

Country Status (1)

Country Link
CN (1) CN204206418U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109275064A (en) * 2018-09-30 2019-01-25 联想(北京)有限公司 Speaker and control method applied to speaker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109275064A (en) * 2018-09-30 2019-01-25 联想(北京)有限公司 Speaker and control method applied to speaker
CN109275064B (en) * 2018-09-30 2020-06-23 联想(北京)有限公司 Sound box and control method applied to sound box

Similar Documents

Publication Publication Date Title
CN207039884U (en) Double voice coil double magnetic circuit partial loudspeaker
US10869112B2 (en) Speaker and electronic apparatus
CN203883957U (en) Loudspeaker module
CN204206418U (en) A kind of hermetically sealed full range Hi-Fi sound-box
CN204598285U (en) Loud speaker module
CN201839417U (en) External loudspeaker box of notebook computer
CN103888866A (en) Portable electronic device provided with loudspeaker assembly
CN203574851U (en) Loudspeaker module
CN203136088U (en) Dice sound box
CN204334917U (en) Rotatable Combined universal audio amplifier
CN202818585U (en) Double-sided acoustic radiation loudspeaker
CN202841448U (en) Speaker module
CN204465835U (en) Hyperline type list speakers low frequencies audio amplifier
CN203859862U (en) Micro loudspeaker box having passive membrane
CN203027405U (en) Shockproof sound device
CN203057453U (en) Vehicle-mounted supper-bass sound box
CN203225863U (en) Loudspeaker module and electronic device using same
CN203722797U (en) Music center
CN205142519U (en) Loudspeaker module casing and loudspeaker module
CN104219594A (en) Headset with acoustical structure of dual-coil unit speakers
CN204733311U (en) A kind of two-mode resonance sound equipment
CN205179316U (en) Earphone
CN205946113U (en) Active speaker
CN203167183U (en) Multifunctional sound device
CN204350233U (en) A kind of multifunctional sound box

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150311

Termination date: 20171007