Digital Power Amplifier PAM8610 Board 2 X15W Dual-channel Stereo Mini Class D Power Amplifier Board can drive 2 (4Ω) speakers with 15W of power or 2 (8Ω) speakers with 10W of power, it works from DC 6V to 15V and has a self-protection feature but the Recommended Voltage is 12V DC with (2A) max, the size of the module is 3cm x 2.5cm so you can embedded it in your projects easily, and if you connect a switch to the  SW short, this will turn off the power amplifier and mute the speakers.

Specifications: 

Working Mode: Class D (PWM modulation type)

chip Type: PAM8610

Power Range: DC 6V-15V (self-protection)

Recommended Voltage: DC 12V(2A)

Output Power: 10Wx2(8Ω) 15Wx2(4Ω)

Frequency Response: 20HZ-15KHZ

Static Current: 20MA (DC12V)

SNR: 90% Recommended

Speakers: 10-100W

Input Impedance: 15K

Output Impedance: 4-8Ω

Harmonic Distortion: <0.1%

Size: Approx. 3cm x 2.5cm/ 1.19″ x 0.98″