The amp is stereo efficient, digital amplifier power stage for driving speakers up to 2x30W/8Ω. The high efficiency of the amp allows it to do 2x30W/8Ω without external heat sink. This module has standby and mute function, so Arduino can control it how and when it works.
Features:
Volume control
Audio output (L/R)
Audio input
Mute interface
3.5 earphone input
Power supply
Specification:
SNR 90(db)
DR 0.01%
Input impedance@ Voltage 3Ω@6V-19V 8Ω@6V-24V
size 60mm*55mm*15mm
25W + 25W continuous output power at THD = 10% with RL = 8 Ω and VCC = 26 V
Wide-range single-supply operation (4.5 - 26 V)
High efficiency (η = 90%)
Four selectable, fixed gain settings of nominally 20dB, 26dB, 32dB, and 36dB