This is a 12V single power supply TDA7297 amplifier board version B, AC / DC, 2.0 / dual channel/stereo, 12V / 2A when using, the output power of 15W + 15W, peak up to 25W + 25W, can be accessed by two 4Ω ~ 8Ω, 10W ~ 50W speakers, a large volume of small size, high signal to noise ratio.
Features:
Dimension: 50 x 50 x 42mm (L x W x H, excluding potentiometer handle), ultra-small size suitable for any space
Voltage: DC 9V ~ 15V, recommended DC voltage 12V, current 2A above