Wadia di122

Wadia di122 digital audio decoder


The di122 two-Channel digital audio decoder integrates Wadia’s superior technical performance with our new Series 1 mini industrial design. Its sleek, modern aesthetic is compact in size to fit in virtually any location while complementing any surrounding.

It has two coaxial and two optical inputs that accept up to 24-bit/192kHz signals; a USB input accepts up to 32-bit signals and supports DSD64, DSD128, DXD 352.8kHz and DXD 384kHz. This vast array of inputs and supported formats allows music from an abundance of digital sources to be reproduced with the extreme precision and elegance expected from Wadia.

The truly exceptional sound quality is facilitated by both balanced and unbalanced variable analog audio outputs, offering premium noise rejection for optimal performance. The Wadia di122 also features a high powered headphone output, making it versatile choice for any listening experience.

  • Two coaxial and two optical inputs accept up to 24-bit/192kHz
  • USB input accepts up to 32-bit signals and supports DSD64, DSD128, DXD352.8kHz and DXD384kHz
  • Beautiful industrial design of glass and aluminum


Audio Specifications

Frequency Response

+/-0.5dB from 20Hz to 20,000Hz

Total Harmonic Distortion


Variable Output level

0 – 4.0Vrms Unbalanced 0- 8.0Vrms Balanced

Signal To Noise Ratio (A-Weighted)


Dynamic Range


Output Impedance

Less than 100 ohms (Unbalanced and Balanced)

Digital Audio Specifications

Digital Input Signal Format

Coaxial and Optical Inputs – SPDIF (PCM1) USB Input – PCM1, DSD

Digital Input Sample Rate

Coaxial and Optical: 44.1kHz to 192kHz, 24-Bit USB: 44.1kHz to 384kHz, 32-Bit (PCM)

DSD64, DSD128, 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

1 PCM (Pulse Code Modulation) Digital Signal type used for CD Discs, etc.

Trigger Specifications

Trigger Input

5-15VDC, less than 1mA

Trigger Output

12VDC, 25mA maximum total

General Specifications

Power Requirements

100-240 Volts, 50/60Hz at 10 Watts Standby: Less than 0.5 watt

Note: Only use the AC/DC Power Adapter supplied with the Wadia di122.

Overall Dimensions

Width is 10 inches (25.4cm)

Height is 3-5/32 inches (8cm) including feet

Depth is 14 inches (35.6cm) including the Front Panel,

and Cables


7 pounds (3.2 kg) net, 8.5 pounds (3.8 kg) in shipping carton

Shipping Carton Dimensions

Width is 14-1/8 inches (35.9cm) Height is 8 inches (20.3cm) Depth is 14-1/8 inches (35.9cm)



di122 digital audio decoder
Owner’s Manual

WADIA di122
Preferred Settings to Play all File Types with JRiver
Media Engine 20 using a Windows 7 or 8 Computer