The amp is stereo efficient, digital amplifier power stage for driving speakers up to 2x30W/8?. The high efficiency of the amp allows it to do 2x30W/8? 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 Ā Ā Ā 90(db)Ā DR Ā Ā Ā 0.01%Ā Input impedance@ Voltage Ā Ā 3?@6V-19V Ā Ā 8?@6V-24V Ā Ā Ā Ā Ā size Ā Ā Ā 60mm*55mm*15mm 25W + 25W continuous output power at THD = 10% with RL = 8 ? and VCC = 26 V Wide-range single-supply operation (4.5 - 26 V) High efficiency (? = 90%) Four selectable, fixed gain settings of nominally 20dB, 26dB, 32dB, and 36dB Differential inputs minimize common-mode noise Standby and mute features Short-circuit protection Thermal overload protection Externally synchronizable ECOPACKĀ®, environmentally-friendly package Ā
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