Audio Amplifier
All you need to design your own Audiosystem and Car Hifi
Blue-tooth 2x5W Amplifier PAM8406 With AEC/ANC Noise Cancelling
Pure Blue-tooth 4.1 5W+5W Stereo Amplifier Board EAM8406 Audio Receiver Module With AEC/ANC Noise Elimination for Hand-free Call
with microphone, for USB Power. Can be used to design your own handsfree Kit
Car Amplifier with DSP and Remote Class D ET-DA200 4x50W
Our flagship incude high end DSP for best sound in the car, at home or in your other audio projects
Control it by Remote, by PC or by App on your mobile.

1. Working voltage: 10V~17V;
2. Standby Power Loss:<0.1W;
3. Frequency response: 20Hz~20KHz;
4. System sampling rate:192KHz/24bit;
5. Dynamic range: >100dB;
6. Signal to noise ratio: >94dB;
7. Degree of separation: >70dB;
8. THD+N:< 0.05%;
9. Peak output: 4&[email protected]Ω,THD<1%,AB class;
10.Rated power: 4*[email protected]Ω,THD<1%;
11.Signal input range: 0.05Vrms~10Vrms;
12.4 channels High lever input and RCA input ;
13.4 channels High lever output and 8 channels High lever output
14.Product Size: 182X132X45mm Support Bluetooth play Support non destructive play(FLAC/APE/WAV/MP3/WMA/FIA etc.)
15.Support optical fiber input
16. LCD remote controller
Car Amplifier Class D ET-CA960 4x100W and Bridge / Cross Over
Product Specification
Type: Class D 4 Channel Car Amplifier
Maimum Power: 560 Watts
S/N Ratio: >75dB
Power Output 4Ω : 75 W RMS × 4 CH
Power Output 2Ω: 100 W RMS × 4 CH
Power Output 4Ω: Bridging 200 W RMS × 2 CH
THD+N: <0.1%THD+N
Frequency Response: 20Hz-20kHz
Crossover: 50Hz-400Hz (-12dB/oct)
Switchable filters / crossover / Bridging
Dimensions: 194mm *145mm*50mm
Weight: 1.6Kg
Amplifier 2.1 Class D EH-M139 2x50W + 100W
The amplifier board adopts two imported TPA3116D2 digital amplifier chip as the core,one piece as left and right channel power amplifier,other piece as pre-bridge briver with NE5532 subwoofer ,with a small ,high effeciency,high power characteristics.

2.1-channel audio amplifier
Chip:TPA3116D2
Supply voltage:DC 12-24V
Output power:50W*2+100W Subwoofer*1
Output Impedance:4-8 ohm
Frequency range:14-100Khz
SNR:100db
Switch frequency:1.2MHz
Size:100*70*30mm
Weight:136g
Amplifier Class D ET-AM252 2x420W max.

Power amplifier chip: TDA8954TH Dual Chip
Input voltage: Recommended AC dual 24V (up to 30V)
Power amplifier: 2 x420W
Output : 2-8Ω
Dimensions: 107 * 93 * 30mm
Amplifier ET-AM543 2x120W max.
Mini Amplifier Board Class D
Supply voltage: dc12-26v
Output power: maximum 120W*2
SNR: 100db
Product size: 92*68*16(mm)
Weight: 68 grams
Amplifier Vacuum tube preamp ET-A202 4x40W
vacuum tube amplifier board high-power sound TDA7388 chip 12V output 40W*4
Amplifier 2.1 Class D ET-A128 2x160W +1x220W
2.1 channel digital amplifier board Class D
Quiescent current: 110mA
Efficiency: 90%
Rated output power: 2*160W + 1x220W (4-8 Ohm )
Frequency response: 20Hz to 20KHz
Working voltage: DC12V to DC32V
PCB size: 152*116x23mm
Chip: TDA7498E*2
with 2x cooling fan
ET-4610X DSP 3D surround Pre Amplifier Sound controller
ET-4610X
Lm4610 tone chip PCB, and op275 as the preamplifier
Lf353 + LM317 + lm337 servo power supply design is adopted. The two operational amplifiers are installed with round hole sockets (if the existing operational amplifiers are not burnt enough, it is convenient to replace the more burnt operational amplifiers to achieve the ideal effect).
The board is equipped with volume, balance, high tone, low tone, 3D surround potentiometer
Working voltage: DC double 12-24 V
AC double 9-16v
Board size: 100 mm * 75 mm
Potentiometer spacing: 22mm (red version)
Amplifier Class D ET-A121 2x160W
2 channel digital amplifier board Class D D
Quiescent current: 110mA
Efficiency: 90%
Rated output power: 2*160W (4-8 Ohm )
Frequency response: 20Hz to 20KHz
Working voltage: DC12V to DC24V
PCB size: 112*84x25mm
Chip: TDA7498E
with cooling fan
ET-8660-2 Headphone Wireless 3 Channel Pro GE MOQ560
Soft Head Pad Hanger* Open wireless RF stereo headphone system * Special design for party and event use * Slide switch for two channel selection * Built-in monitor function (you can silence the music from headphone to listen outside) * Double PLL system for ultimate frequency stability * Personal volume control on each headphone * Wireless freedom with reception through walls and ceilings * Volume and switch controls conveniently located on headphone * Power supply: 2 AAA batteries(not include) Version for Germany
ET-8660-1 Headphone Wireless 3 Channel Pro GE MOQ560
Open wireless RF stereo headphone system * Special design for party and event use * Slide switch for two channel selection * Built-in monitor function (you can silence the music from headphone to listen outside) * Double PLL system for ultimate frequency stability * Personal volume control on each headphone * Wireless freedom with reception through walls and ceilings * Volume and switch controls conveniently located on headphone * Power supply: 2 AAA batteries(not include) Version for Germany
ET-50RF Transmitter for RF-8660 Headphone Wireless 3 Channel Pro
Open wireless RF stereo headphone system * Special design for party and event use
Amplifier Class D 2.1 2x50W + 1x100W Stereo In+Bluetooth 24V
2.1 digital amplifier board Working mode: D,
Quiescent current: 50mA
Efficiency: 90%
Rated output power: 2*50W+100W
Frequency response: 20Hz to 20KHz
Working voltage: DC18V to DC24V
Maximum current: 4A
PCB size: 100*83MM
Potentiometer function: from left to right switch 1 channel volume 2 Volume 3 bass master volume
Amplifier Class D 2x50W Stereo In+Bluetooth 24V
2 channel digital amplifier board Working mode: D,
Quiescent current: 50mA
Efficiency: 90%
Rated output power: 2*50W
Frequency response: 20Hz to 20KHz
Working voltage: DC20V to DC24V
Maximum current: 4A
PCB size: 100*83MM