this is “2.1 Channels LM1875 HiFi Audio Power Amplifier ”. only $24

Features
- Designed with National Semiconductor LM1875 and famous audio operational amplifier NE5532.
- 2 x 6800uF power filter capacitors
- ±1% metal film resistors are used to guarantee the SNR
- 1.6mm high quality double side 2oz PCB

HiFi audio power amplifier designed with NE5532 + LM1875, 2.1 channel, 25W + 25W

this is “2.1 Channels LM1875 HiFi Audio Power Amplifier ”. only $24