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The di322 digital audio decoder keeps Wadia at the forefront of digital music playback by adding expanded support for high fidelity DSD files to the Wadia line. Via the USB input, the di322 supports DSD64, DSD128 and DSD256 music files. PCM files with sampling rates up to 32-bit/384kHz – including DXD 352.8kHz and DXD 384kHz formats – can also be played through the USB input. With the addition of DSD support, digital music lovers can experience and enjoy some of the latest high resolution music offerings. Its 2 optical and 2 coaxial inputs accept music with resolutions up to 24-bit/192kHz, while the DIN input will allow future Wadia models to connect to the di322 at high performance levels.

"It took me all of about ten seconds to realize that the di322 sounded fuller and warmer than the DAC that had preceded it in my system... I was already enjoying [Adele's] “Hello” when, at 1:06, the chorus began. I was shocked at the weight of the piano notes I was hearing... Seemingly because of this weight, the soundstage expanded to the point where it was bigger than the room -- the piano’s lower registers created as much room lock as if I’d added a perfectly integrated subwoofer to a bass-shy speaker system... With all manner of pop or rock music, the di322 was a fun-filled ride... Its sound was full, big, and played deep -- deep bass, deep soundstage, wide dynamic range... You’ll get your money’s worth here, and then some." Winner of a Reviewers' Choice Award - SoundStage! Network

A pair of variable balanced and unbalanced audio outputs connects the di322 to your amplifier. A high power headphone jack enables personal listening for those times when you want a truly intimate listening experience. A modern design with a top glass panel and aluminum construction adds aesthetic beauty. Combine the di322 with the m330 media server and a315 or a340 amplifiers for a complete system solution.


Frequency Response
+/-0.5dB from 4Hz to 20,000Hz
+0.5/-3dB from 4Hz to 68,000Hz (Source dependent)

Total Harmonic Distortion

Variable Output Level
0 - 4.0Vrms Unbalanced
0- 8.0Vrms Balanced

Signal To Noise Ratio (A-Weighted)

Dynamic Range

Output Impedance
600 ohms (Unbalanced and Balanced)

Headphone Load Impedance
20 to 600 ohms

Digital Input Signal Format
Coaxial and Optical Inputs - SPDIF (PCM)
USB Input - PCM, DSD

Digital Input Sample Rate
Coaxial and Optical: 32kHz, 44.1kHz to 192kHz, 24-Bit
USB: 32kHz, 44.1kHz to 384kHz, 32-Bit (PCM), DSD64, DSD128, DSD256, DXD352.8kHz, DXD384kHz

Digital Inputs
Coaxial 1 and 2: 0.5V p-p/75 ohms
Optical 1 and 2: -15dbm to -21dbm (TOS Link)
USB: USB Type B Connector

Power Requirements
100-240 Volts, 50/60Hz at 30 Watts
Standby: Less than 0.5 watt

Overall Dimensions
Width is 17-7/8 inches (45.4cm)
Height is 3-3/8 inches (8.6cm) including feet
Depth is 20 inches (50.8cm) including cables

25 pounds (11.4 kg)



    Supports many of the latest high resolution digital audio formats.


    Wide assortment of digital inputs to connect your devices - including DIN input for future use.


    Contemporary design complements any space.


    Winner of a Reviewers' Choice Award from SoundStage! Network.

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Wadia Digital distributes our products through a worldwide network of exclusive distributors, and approved specialist dealers.

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