New YAMAHA YDA138-E Digital Amplifier board 2*10W 2*12W 2*20W W/headphone Amp

DC12-15V 2*20W

XH-M531 Yamaha digital amplifier board dual-core chipset, high-resolution HD Class D audio amplifier board
Using original two-channel Yamaha chipset, input DC12V output 20W * 2, crystal-clear sound, instantly conquered listening ears   
Yamaha chipset YDA138-E  
Power Range: DC12-15V   
Output Power: 20W * 2
Frequency range: 20Hz-60KHz
Input impedance: 10k
Output Impedance: 4-8 Europe
Dimensions: 43 * 68 * 12mm
Efficiency: greater than 88%
Input impedance: 10k
Output Impedance: 4-8 Europe
Number of Channels: two-channel left and right
Indicator: Green
Audio: 3.5 audio port
Package Contents：1 x XH-M531 Yamaha 2*20W Digital HIFI Audio Stereo Class D Amplifier Board

DC12V 2*12W

Product Name: Audio amplifier board
Specifications Model: MK145
Work: D Class
Chip Selection: Yamaha YDA138-E
Recommended Voltage: DC 12V1.5A
Channel Type: Dual Channel
Signal to noise ratio: 92%
Output Power: 8W +8 W (8Ω speaker) 12W +12 W (4Ω speaker)
Package Included:1 x YDA138-E YAMAHA 12W+12W Dual Channel Digital Audio Amplifier Board DC 12V

DC12V 2*10W

It's better then TA2024 chip.
Work on wide range of voltage :support 9-14V DC,2A
biger rate of power ,RMS:20W/per channel in 4Ohm speaker,and very Quiet back noise,you almost can not hear it.
with 4 model GAIN parts.can auto work on different voltage.
this amplifier using TDK inductance filiter output.it's HiFi parts.clean and without any noise output.
YAMAHA YDA138-E chip.is with headphone OP function,so you can using is as a headphone amp also.
Package Contents
1 x amplifier board
1 x RCA input cable

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