DigiAMP+

The latest revision of the DigiAmp+ has pre-programmed EEPROM and exposes the full RASPBERRY PI GPO header. 

The DigiAmp+ uses the Texas Instruments TAS5756M PowerDAC to deliver direct connection to passive stereo speakers at up to 2x35 W with variable output. The DigiAmp+ must be powered from an external power supply through the 5.5mmx2.5mm barred connector and the power source must be between 12 and 24 VDC. The DigiAmp+ will provide full power to the Raspberry Pi board, 5.1 V at 2.5 A.

DO NOT APPLY POWER TO THE RASPBERRY PI'S OWN POWER INPUT WHEN USING THE DIGIAMP+.

Features:

• Full-HD audio – up to 24-bit/192kHz playback
• Up to 2x35w of crystal clear amplification
• Pre-programmed EEPROM for auto configuration
• Integrated hardware volume control (via ALSA)
• Powers the Raspberry Pi from the Pi-DigiAMP+ power input
• Linux driver support already delivered within Raspbian
• Advanced ESD protection
• Uses the digital I2S audio signals
• Supports up to 24v input
• Delivers full 2.5amp to the Pi, supports screens & USB devices in parallel
• Full GPIO access with no soldering required
• Fully built and tested Raspberry Pi accessory
• Designed and manufactured in the UK

The amplifier is by default muted at power on (mute LED lit). The mute state/LED is under software control (Raspberry Pi GPIO22).