IQaudIO have just released their newest board, the Pi-DAC Pro HAT. Using the PCM5242 DAC, this board gives higher quality output than its predecessors and features both Phono and Headphone sockets. Here is the list of features:

• Raspberry Pi HAT (A+/B+/2/3) compliant accessory
• Full-HD audio – up to 24-bit/192kHz playback
• Integrated hardware volume control (via ALSA)
• Built in high quality audio headphone amplifier (TI TPA6133A)
• Class-leading audio: 114db SNR, and -94db THD
• Audiophile TI Burr Brown 32-bit/384kHz DAC (TI PCM5242)
• Advanced ESD protection
• Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
• Raspberry Pi powered, no external power requirements
• Industry standard audio quality Phono/RCA connectors
• Supplied (but not fitted) JST headers to deliver Balanced output to XLR or similar
• Built in mini DSP
• Fully built and tested Raspberry Pi accessory
• Designed and manufactured in the UK

This is an interesting step-up from IQaudIO (who have always proved themselves ahead of the curve in terms of audio quality) and is sure to please audiophile Raspberry Pi enthusiasts. The board costs (a very reasonable) £42 from the IQaudIO website.