# 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