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Amp HAT

Full high quality audio – 192kHz / 32bit
2 x 55 Watt peak output at 8 ohms (2 x 30 Watt RMS)
Includes both a DAC and power amplifier
Back-powers the Raspberry Pi at 2.5A so only one power supply required
Hardware and software volume control from your Raspberry Pi
On-board gain control using jumper J5
Mute/enable with GPIO22 (override by using jumper J4)
Optional IR receiver via GPIO25
Unused GPIO pins still accessible via unpopulated extension header