Which pins are used for sound?
Which pins are used by this? I2c? SPI? i2s?
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The HiFiBerry Amp2 is a high-quality, highly efficient Class-D power amplifier for the Raspberry Pi (newer models with 40 pin GPIO connector), that is mounted onto the Raspberry Pi to create a stereo audio system. The speakers just have to be connected directly, which makes it an ideal module for multi-room audio installations.
- This does not include the external 12-24V power supply that is needed to operate the HiFiBerry Amp and the Raspberry Pi. You can purchase one here.
- It powers the Raspberry Pi, there is no need to add an external 5V power supply to the Raspberry Pi. However if you want to use power-hungry USB components you need to use a powered USB hub.
- You can’t connect the power to the Micro-USB port of the Raspberry Pi. The whole system including the Raspberry Pi will be powered from the external 12-18V power supply
- Up to 60W output power
- Capable of driving a pair of 4-8 Ohm speakers
- Fully controllable from the Raspberry Pi • sample rates up to 192kHz
- Digital-analog conversion included, no need for external DACs or sound cards
- Digital sound transmission for optimal audio performance
- Connects directly to the Raspberry Pi A+/B+/2B/3B/Zero, no additional cables needed
- Only one 12-24V external power supply needed for both AMP2 and the Raspberry Pi, no need for USB power supply anymore
- No soldering required, the AMP2 is directly mounted on the Raspberry Pi A+/B+/2B/3B in less than a minute
- Dimensions without package 5.5 x 6.5 x 2.5 cm
- Dimensions including package 9 x 7 x 3 cm
- Weight 0.06 kg
Raspberry Pi compatibility: Note that the HiFiBerry Amp2 works only with the newer Raspberry Pi model A+ and B+,2, 3, not with the older model A/B.