Digital 2.1 Channel Subwoofer Amplifier Board 6W+6W+25W Pure Bass DC12V-15V TDA1517P HiFi Stereo Audio Power Amplifier,Dual Channel Amp Module, for Store Home Theater Speakers, Car Audio Speaker

Compact Digital 2.1
Channel Amplifier: Small volume digital class D high fidelity 2.1 channel subwoofer 12V audio amplifier board, widely used in home TV audio, car speakers, multimedia audio, computer desktop audio speaker, and advertising machine applications.
Quality PCB Construction: FR-4 fiberglass board material with 1.6 mm thickness and onboard fixing hole diameter of M3. The left and right channels use a low-power enthusiast audio dedicated chip TDA1517P as an output stage, which provides high quality audio results.
Flexible Power Input Options: DC 6.5 -15V power input depending on the required output power, compatible with power adapter, switching power supply, or battery. For enhanced audio performance, power supply voltage larger than 13.5V DC is suggested, with recommended current of more than 3A. Power interface is 5.5 * 2.1 DC socket or pad of welding wire, and audio input interface is 3.5 mm plug or pad of welding wire. Dual Channel and
Subwoofer Output: Left and right channel output power of 6W+6W, recommended for use with 2-4 inch, 4-8 3-25W full-range speaker. Bass output power reaches maximum 25W, recommended for use with 4-6 inch, 4-6 20-50W subwoofer speaker. The specified power requires approximately 13.5V power supply.
Compact Board Dimensions: Board size measures 2.48 x 1.77 x 0.78 inch (LxWxH), excluding potentiometer handle length with potentiometer protruding length of 0.59 inch. Potentiometer shaft center distance is 0.94 inch/24mm, and potentiometer mounting hole diameter requires 0.28 inch/7mm for proper installation