YDA138-E 20W+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
YDA138-E 12W+12WProduct 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
YDA138-E 10W+10WIt's better then TA2024 chip.Work on wide range of voltage :support 9-14V DC,2Abiger 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.