Sound quality is very good using this module.
Mono digital audio amplifier chip.
High efficiency and low power consumption.
Applicable impedance: 4-8 ohms (8 ohms is the best).
Working voltage: DC8-24V
Output Power: 60 w
PCB board size: 45 * 35mm / 1.77 * 1.4in
Weight: 12g / 0.43oz
10* Digital Amplifier Board