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Audio & Hi Fi  >   >  Amplifiers

Amplifiers

481 products found
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12V 2X18W 3CH Subwoofer TDA2030 2.1 Stereo Digital Audio Amplifier DIY Kits
HK$ 65.00
AliExpress
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TIANCOOLKEI LM3886 Audio amplifier HIFI DIY kit LM3886TF 2 channels 120w stereo amplifier board Kit+ Amplifier Case+Transformer
HK$ 706.00
AliExpress

TIANCOOLKEI LM3886 Audio amplifier HIFI DIY kit LM3886TF 2 channels 120w stereo amplifier board Kit+ Amplifier Case+Transformer

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NEW Breeze Audio BA25W Hifi 25W Ultra low noise Linear Power Supply For DAC audio Amplifier Optional 5V/7.5V/9V/12V/16V/24V
HK$ 691.00
AliExpress

NEW Breeze Audio BA25W Hifi 25W Ultra low noise Linear Power Supply For DAC audio Amplifier Optional 5V/7.5V/9V/12V/16V/24V

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New aluminum amp chassis /home audio amplifier case (size:306*430*52MM)
HK$ 730.00
AliExpress

New aluminum amp chassis /home audio amplifier case (size:306*430*52MM)

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Black Gold Commemorative Edition LM3886 Amp HIFI Stereo Power Amplifier 68WX2 Finished Audio Amplifier
HK$ 534.00
AliExpress
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Power amplifier HiFi sound quality computer 438*67-230 mm (WxH-D)1.5U desktop digital audio amplifier
HK$ 557.00
AliExpress
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A8 C5198 / A1941 power tube HIFI fever amplifier 120W + 120W 2.0-channel high-power HiFi home desktop digital audio amplifier
HK$ 587.00
AliExpress
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New DIY preamp aluminum chassis /home audio amplifier case
HK$ 485.00
AliExpress
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Free shipping! 2pcs/lot ST TDA7294V TDA7294 TDA 7294 Audio Amplifier new and original
HK$ 21.00
AliExpress
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4pcs / set aluminum alloy diameter 48mm high 40mm audio amplifier foot shock absorber feet magnetic suspension foot shock pad
HK$ 727.00
AliExpress

4pcs / set aluminum alloy diameter 48mm high 40mm audio amplifier foot shock absorber feet magnetic suspension foot shock pad

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AV388B Vacuum&Valve Tube Audio Amplifier Class A Single-Ended Power Amp 6.8w*2 antique class HIFI amplifier sound quality superb
HK$ 1,475.00
AliExpress
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Original remote control RC-9A suitable for bose Audio amplifier remote control lifestyle3 5 8 home theatre used
HK$ 612.00
AliExpress
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MEIXING MINGDA MC34-ASE Vacuum Tube integrated Amplifier EL34*4 Class AB1 push-pull power Amplifier 40W*2 110V/220V
HK$ 10,197.00
AliExpress
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D10 USB MINI DAC audio amplifier Decoder with Line out and Coaxial Optical out Support DSD256(Native) PCM32bit384kHz
HK$ 706.00
AliExpress

TOPPING D10 USB MINI DAC audio amplifier Decoder with Line out and Coaxial Optical out Support DSD256(Native) PCM32bit384kHz

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A2B Original Circuit Integrated Amplifier Toshiba FET K170/J74 SANKEN 2SC3264 2SA1295 HIFI Amplifier Very Real Sound Quality
HK$ 5,248.00
AliExpress
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FX-Audio D302PRO STA369BW PCM1808 AK4113VF Digital Audio Amplifier Input USB/Coaxial/Optical/AUX 20W*20W Support 24Bit/192KHz
HK$ 573.00
AliExpress
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5670 6N3 Preamp Electron Vacuum Tube 9-pin for 6N3P 2c51 5670 396A Audio Amplifier Tube Replacement
HK$ 79.00
Tomtop

Features: 5670 6N3 vacuum tube, 9-pin. For 6N3P, 2c51, 5670, 396A amplifier vacuum tube replacement. High performance, soft sound, ultra-low noise. Perfectly work as a head in gain amplifier.

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2018 Lastest Nobsound High End Integrated Amplifier Class AB Stereo HiFi Power Amp Audio USB DAC GE5670 Tube Pre-amp 70W*2
HK$ 4,861.00
AliExpress
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TDA7293 Digital Audio Amplifier Board Mono Single Channel AC 12v-50V 100W NEW
HK$ 39.00
AliExpress
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10pcs RK097G 15mm Audio Amplifier Sealed Dual Potentiometer B5K B10K B20K B50K B100K 6pins
HK$ 19.00
AliExpress
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NiZHi Bluetooth Speaker Micro Sd/tf Card USB Disk Music Player Mp3/4 Audio Amplifier FM Radio
HK$ 155.00
Tomtop

Features: Supports micro SD / TF card, USB flash disk, FM Radio, Bluetooth hands-free call function, etc. HiFi clear loud sound output with earphone output port. Universal for all Bluetooth-enabled devices such as, for iPhone iPad Samsung galaxy S4 / S3 / Note 2, other Android smartphones, tablet PCs, etc. Also supports Line IN function, receiving audio source from Mp3, Mp4, tablet PC, Notebook, for iPod, for iPhone, etc. Built-in MIC enables you to make a handsfree call, let you stay away from radiation. Build-in high sensitivity FM radio frequency module, the signal is excellent. Powered by built-in high capacity rechargeable battery, support long time music playing. Compact and portable design, perfect for both home use and travel use.

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Finished F1 HiFi Stereo Integrated Amplifier 160W+160W Audio AMP Refer FM300A Power Amplifier
HK$ 2,260.00
AliExpress
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1x500W Class D digital audio amplifier board T-AMP HIFI High Power stereo Car subwoofer Car AMP
HK$ 691.00
AliExpress

1x500W Class D digital audio amplifier board T-AMP HIFI High Power stereo Car subwoofer Car AMP

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2 X 200 Watt Class D Audio Amplifier Board - IRS2092 200W Stereo Power Amp
HK$ 480.00
AliExpress
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375 Watt Class D Audio Amplifier Board - 375W IRS2092 Mono Power Amp Subwoofer
HK$ 627.00
AliExpress
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weiliang audio DC100 Amanero USB DAC AK4118 AK4497 Decoder DSD Audio Amplifier
HK$ 2,197.00
AliExpress
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XiangSheng DAC-01A XMOS USB DAC Tube Audio Decoder hifi audio Amplifier Pre-Amp
HK$ 1,365.00
AliExpress
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aluminum power amplifier chassis /home audio amplifier case (size 245*180*259MM)
HK$ 723.00
AliExpress

aluminum power amplifier chassis /home audio amplifier case (size 245*180*259MM)

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Tube Amp Power transformer 185W 290V-0-290V 5V 3.15V-0-3.15V Audio amplifier Single-ended tube Copper transformer
HK$ 338.00
AliExpress
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2x100W TPA3116D2 Dual (left and right) Channel Digital Audio Amplifier Board 12/24V For Arduino
HK$ 78.00
Newfrog

2x100W Tpa3116D2 Dual (left and right) Channel Digital Audio Amplifier Board 12/24V For Arduino

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GHXAMP Germany DUAL Circuit MM PHONO LME49720NA Op-amp Pre-Amplifier Vintage Player Long-Playing Audio Amplifier Machine
HK$ 667.00
AliExpress
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K.GUSS TDA8954 2.0 Class D high-power audio amplifier board 420W*2
HK$ 338.00
AliExpress
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1 pair Adjustable Audio Amplifier Subwoofer rack stand audio system equipment full Aluminum rack stand
HK$ 1,138.00
AliExpress
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GD-PARTS Brand New EIZZ 250K Stereo 24-Steps Attenuator Hifi Volume Potentiometer LOG Serial Type for Audio Amplifier DIY
HK$ 510.00
AliExpress
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Finished PR-800 High Power 200W+200W HiFi Power Amplifier MJE15034 MJE15035 Stereo Audio Amplifier
HK$ 2,809.00
AliExpress
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2 x 5W Digital Amplifier DC 5V HIFI Class D Audio Amplifier Board Dual-channel D type Power Amplifier Module
HK$ 67.00
AliExpress
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New POPU VENUS High Quality Pure Full Digital Audio Amplifier Input USB9226/Coaxial/Optical/AUX Support 24Bit/192KHz AC220V
HK$ 2,109.00
AliExpress
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LINE Tube Magnetic Amplifier LM-518IA Integrated Amplifier 845*2 Class A Single-ended Tube Amplifier 24W*2
HK$ 15,680.00
AliExpress
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TAS5630B Car Amplifier board HiFi monaural subwoofer 600W Class D digital audio amplifier
HK$ 628.00
AliExpress
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2017 I.AM.D V200 Full Digital Audio Amplifier 150W*2 XMOS U208 USB 24Bit/192KHz Input USB/Optical/Coaxial/AUX OLED Display
HK$ 757.00
AliExpress

2017 I.AM.D V200 Full Digital Audio Amplifier 150W*2 XMOS U208 USB 24Bit/192KHz Input USB/Optical/Coaxial/AUX OLED Display

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WA76 Aluminum Chassis Enclosure Box Case Shell for Audio Amplifier 312x323x120mm
HK$ 567.00
AliExpress
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4 Channel Home Car Audio Amplifier Auto 4CH HiFi Audio Power Amplifier USB SD MMC MP3 Digital Player w/ Remote Control
HK$ 249.00
Newfrog

4 Channel Home Car Audio Amplifier Auto 4CH HiFi Audio Power Amplifier USB SD MMC MP3 Digital Player w/ Remote Control

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Super Bass Audio Amplifier Lepy 7498E Plus Bluetooth Hi-Fi Class - D Stereo 4 Channel
HK$ 664.00
AliExpress
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1pc Black Mini Vacuum Tube AMP Audio Amplifier APPJ EL84 12AX7B Class A power Amp
HK$ 1,357.00
AliExpress
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aluminum pre-amplifier chassis /home audio amplifier case (size 430*70*308MM)
HK$ 494.00
AliExpress
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Finished TPA3116 Digital Amplifier 50W+50W+100W Stereo HiFi Audio Amplifier With Volume Control
HK$ 353.00
AliExpress
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WA75 Aluminum Chassis Enclosure Box Case Shell for Audio Amplifier 312x262x120mm
HK$ 579.00
AliExpress
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New N140 Remote Volume Integrated Amplifier / Four-way signal input selection Based on NAIM NAP140 Audio Power Amp
HK$ 2,974.00
AliExpress
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OPA1611 module, low power, precision operational amplifier, audio amplifier, preamplifier, operational amplifier
HK$ 197.00
AliExpress
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1PCS DC 12V-24V TPA3116 Mono Channel Digital Power Audio Amplifier Board BTL Out
HK$ 38.00
AliExpress
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NEW 2 * 68W dual-channel integrated amplifier board before and after class Remote LM3886 amplifier audio board Free shipping
HK$ 494.00
AliExpress
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SMAL A6 HIFI Digital audio Amplifier USB DAC DSD512 USB/Optical/Coaxial/LP Player/CD Analog Input Headphone Out Amplifier 50W*2
HK$ 3,530.00
AliExpress
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Amplifiers 2017 Newest TOPPING PA3 Mini Professional Speaker High-Power Digital Audio Amplifier 80W*2 Hifi Home Amp TP22 Upgrade
HK$ 824.00
AliExpress
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Latest 6th Sanskrit USB DAC 32BIT/192Khz Coaxial SPDIF Optical Hifi Audio Amplifier Decoder New Version With Power Adapter
HK$ 848.00
AliExpress
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Latest 6th Sanskrit USB DAC 32BIT/192Khz Coaxial SPDIF Optical Hifi Audio Amplifier Decoder New Version With Power Adapter
HK$ 848.00
AliExpress
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New aluminum amp chassis /home audio amplifier case (size 463*430*113MM)
HK$ 686.00
AliExpress

New aluminum amp chassis /home audio amplifier case (size 463*430*113MM)

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SENGTERBELLE WF4310 Class A Chassis Audio Amplifier Case Enclosure Preamp Case Cabinet DAC Box For DIY
HK$ 612.00
AliExpress
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National free post 5V2.1 Channel Stereo Class D digital audio amplifier board audio amplifier board 2.1
HK$ 150.00
AliExpress
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hot sale power amp chassis with heatsink / class A Chassis / home audio amplifier chassis size 430mmX70mm X311mm
HK$ 524.00
AliExpress
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Hot sale TDA7498 + LM1036 Class D Audio Amplifier Board 100W + 100W
HK$ 393.00
AliExpress
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2017 Breeze Audio New 15A 5200 Standard Edition Great Value Hood 1969 HiFi 2.0 Class A Home Audio Amplifier 10W+10W
HK$ 1,058.00
AliExpress
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Hot SMSL Q5 Pro High Quality HiFi 2.0 Pure Digital Home Audio Amplifier Optical/Coaxial/USB/ input Remote Control
HK$ 1,099.00
AliExpress
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QLS HIFI QA690 Pure Full Digital Audio Amplifier Input PC USB/Coaxial*2/Optical/RCA Power Handle 160W*2 Support DSD 24Bit/192KHz
HK$ 4,824.00
AliExpress
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WA72 Aluminum Chassis Enclosure Box Case Shell for Audio Amplifier 270x360x86mm
HK$ 746.00
AliExpress

WA72 Aluminum Chassis Enclosure Box Case Shell for Audio Amplifier 270x360x86mm

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EIZZ 1PC Premium 24-Step Stereo 2*10K 2*25K 2*50K 2*100K 2*250K Attenuator Volume Potentiometer For HIFI DIY Audio Amplifier
HK$ 464.00
AliExpress
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MS-10D MKII hifi 2.0 tube amplifier vacuum digital amplifier bluetooth USB home audio amplifier 25W*2 110V/220V
HK$ 1,491.00
AliExpress
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Bluetooth 4.2 Digital 2.1 Channel Subwoofer Integrated Amplifier Speakers Board
HK$ 487.00
AliExpress
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4*100W Vehicle Audio Amplifier Board HiFi Class D TDA7498 Fever Audio Power Amplifier
HK$ 448.00
AliExpress
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Aiyima HIFI Bluetooth CSR8635 V4.0 Audio Amplifier Receiving Box Car Bluetooth Modified DIY
HK$ 111.00
AliExpress
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FX-Audio M-160E Bluetooth@4.0 Digital Audio Amplifier Input USB/SD/AUX/PC-USB Loseless Player For APE/WMA/WAV/FLAC/MP3 160W*2
HK$ 597.00
AliExpress
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Aiyima TPA3116 2.1 Digital Audio Amplifier Board TPA3116D2 Subwoofer Speaker Amplifiers DC12V-24V 2*50W+100W
HK$ 100.00
AliExpress
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Aoweziic 100% new imported original TDA2050V TDA2050 TO-220 Audio amplifier power amplifier
HK$ 208.00
AliExpress
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Q-1 Digital Interface Module XU208 XMOS USB U8 Upgraded for Audio Amplifier
HK$ 412.00
AliExpress
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Newest BT1388 80W+80W HIFI Karaoke home theater stereo audio amplifier Support Bluetooth. Dual microphone.USB.SD card
HK$ 338.00
AliExpress
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QUEENWAY A600 Integrated Amplifier / Pure power AMP RCA*3, XLR*1 160W(8ohm) / 320W(4ohm) Support Remote Control
HK$ 19,296.00
AliExpress
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5654 6J1 Preamp Electron Vacuum Tube 7-pin for Ef95 6Ak5 5654 6J1 403A Audio Amplifier Tube Replacement
HK$ 24.00
Tomtop

Features: 5654 6J1 vacuum tube, 7-pin. Only for Ef95, 6Ak5, 5654, 6J1, 403A amplifier vacuum tube replacement. High reliability and stability. HiFi and soft sound, low noise.

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STA326+PCM2706+AK4113 OLED 2.0 Class D DC24V-32V Digital Stereo Audio Amplifier 2x50W USB / optical / coaxial input 24BIT/192K
HK$ 492.00
AliExpress
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Full remote control 5.1 6-channel amplifier TPA3116D2 Actual 400w power to meet the home audio and video system audio amplifier
HK$ 1,169.00
AliExpress
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New 6 channel 18--30V TDA7498E x3 5.1 100W X 6 Class D Audio Amplifier Board
HK$ 448.00
AliExpress
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Waterproof Motorcycle Handlebar Audio Amplifier System 3" Stereo Speaker FM MP3 USB SD AUX With remote control and alarm function
HK$ 247.00
Tomtop

Features: If you do not want to miss the retransmission by an sports event, a special flash information , this radio and its enclosures especially designed for the motor bikes are the accessory which you seek. Features: Connection listen to music, support Usb/sd/tf/fm/am, Support the AUX audio input, Plug and play With remote control and alarm function Function clock, The radio collects the bands FM ,With functions of Fm/am Adapt to any motor bike or electric bicycle Atv, Equipped with two 3 Stereo Speaker Solid case waterproof and its robust fasteners, the enclosures will constitute an addition of choice to your motor bike, while the radio will collect the bands FM and the fasteners handlebar will make it practical and simple to use. Related parameters:

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10pcs B100K B50K B20K B10K B5K RK097N Audio Amplifier Sealed single Potentiometer 15mm Shaft 3pins
HK$ 19.00
AliExpress
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HomE car CD player 4 channel audio amplifier With remote control And Bluetooth function Good sound quality
HK$ 534.00
AliExpress
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MC-84L EL84 VACUUM TUBE INTEGRATED AMPLIFIER NEW
HK$ 4,086.00
AliExpress
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2017 New Independent tetrads Pure Class A Mini Power Amplifier Stereo HIFI Audio Amplifier
HK$ 2,730.00
AliExpress
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2018 Latest Nobsound Mini 2P2+VMOS Class A Hybrid Tube Headphone Integrated Amplifier USB DAC HiFi Pre-Amplifier
HK$ 667.00
AliExpress
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aluminum DAC amplifier chassis /home audio amplifier case (size 430*90*308MM)
HK$ 627.00
AliExpress
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BZ3206A Silver all aluminum chassis preamp / DAC / Integrated Amplifier chassis
HK$ 401.00
AliExpress
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TIANCOOLKEI TAS5630B pure subwoofer board 300W high power audio amplifier support AC110V-240V voltage
HK$ 585.00
AliExpress
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2017 New Hood 1969 Class A Power Amplifier 2N2955 + 2N3955 HIFI Stereo 10Wx2 Audio Amplifier
HK$ 1,397.00
AliExpress
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YJ MoYu AoLong (40W+40W) LM3886 mini amplifier machine/home audio amplifier
HK$ 582.00
AliExpress
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2017 New High quality 6 channel 18--32V TDA7498E x3 5.1 100W X 6 Class D Audio Amplifier Board
HK$ 418.00
AliExpress
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QUEENWAY BZ2409H CNC Full aluminum case Chassis HIFI Audio amplifier decode/AMP 240mm*90mm*320mm 240*90*320mm
HK$ 458.00
AliExpress
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V12 4 channel car audio amplifier 3600W amplifier MRV-F705 amplificador car amplifier
HK$ 381.00
AliExpress
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remote control suitable for philips player sound speaker Audio amplifier controller cd dvd
HK$ 102.00
AliExpress
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QUEENWAY CNC All Aluminum chassis preamp case / DAC / Integrated Amplifier Chassis 321*62* 230mm 321mm*62mm* 230mm
HK$ 345.00
AliExpress
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USB DAC AUDIO amplifier board AK4490EQ double and soft control board (finished) DOP DSD package XMOS U8 daughter card 24BIT/192K
HK$ 832.00
AliExpress
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MC-10T EL34 Vacuum Tube Push Pull Integrated Amplifier HIFI EXQUIS lamp amp with 12AX7 pre-amp
HK$ 4,194.00
AliExpress
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New A-50S aluminum amp chassis /home audio amplifier case (size 480*224*424MM)
HK$ 2,655.00
AliExpress
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−16%
M145 Original High Resolution Yamaha Digital Amplifier D Audio Amplifier DC12V
HK$ 44.00 HK$ 52.00
Mini In The Box

Type:Other Module; Power Supply:Other; Development Board Type:For Arduino; Module Function:Board; Sensor Function:Accelerometer; Listing Date:01/26/2018; Production mode:Self-produce

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weiliang audio DC100 Amanero USB DAC AK4118 AK4497 Decoder DSD Audio Amplifier
HK$ 2,197.00
AliExpress

Audio, Speaker, and Headphone Amplifiers Hong Kong

To truly appreciate and understand a great pair of hi-fi speakers or headphones require the user to have more than just the speakers or headphones themselves. Aside from having a keen sense of sound, the listener would also need to have the proper equipment to power the speakers or headphones. This is because these higher end high fidelity speakers and headphones typically have a higher power requirement compared to lower end headphones or headphones that are mainly targeted towards the average consumer.

A Power Boost to your Audio

Audio amplifiers function as their name suggests: they amplify power. These devices channel more power through to your headphones or speakers, filling up the gaps in power where your source – where the sound comes from, usually your computer or TV – is unable to deliver enough power to your equipment. When there is not enough power to power a pair of headphones or speakers, the sound comes out soft and difficult to hear; it can also affect the sound of your equipment as it is unable to bring out the full potential of your headphones or speakers.

There are several easy ways to roughly tell if your speaker or headphones require an amplifier. On the packaging of headphones, you will see a term ‘Impedance’ on the specification list. A common headphone will have a very low impedance ranging from 8 to 16 ohms, which can be powered by your computer and smartphones easily, but typically anything more than that could do with a little help from an amplifier.

Speaker Amplifiers Hong Kong

Most common everyday speakers, especially those meant for computers, are called ‘active speakers’; this means that the speakers come with a built-in amplifier. For those that require an external amplifier are called passive speakers, and are usually much better in sound. Speaker amplifiers such as those from Yamaha or Denon usually take up a little bit more space because it is usually made to power very large passive speakers at home. Pairing the right speakers with the right amplifiers can properly unlock the full potential of your speakers for maximum enjoyment.

Headphone Amplifiers Hong Kong

Headphone amplifiers generally have two different uses: those set at home for listening on much higher-end headphones, and the portable ones for the headphone listeners on the road. Home headphone amplifiers from makers such as Sony are similar to the speaker amplifiers, being large and requiring a direct-current power.

Portable Amplifiers Hong Kong

Portable ones come in various sizes, from being as small as an iPod Nano to a larger size as that of a smartphone – Fiio, in particular, is a brand that makes a number of these. Portable amplifiers are powered by a battery and is commonly attached to digital music players or smartphones to provide an additional boost in power for listening to music on the go.