The Wadia 321 has two optical, two coaxial and one high speed USB digital input, allowing music from all sources to be reproduced with the extreme precision and elegance audiophiles expect from Wadia Digital. The truly exceptional sound quality is facilitated by the variable balanced and unbalanced audio outputs, offering premium noise rejection for optimal performance. The clean glass top panel, aluminum construction and fiber optic light diffuser panel illumination of the chassis add aesthetic beauty and an extremely comprehensive user interface to the superior sound quality of the Wadia 321, resulting in a complete solution component for the most discerning customer.
• 192 kHz/24 bit sampling rate
• Five digital inputs, including USB
• Variable analog output
• Beautiful industrial design of glass and aluminum

Technical specifications

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

Total Harmonic Distortion: 0.002%

Variable Output level: 0-4.0Vrms Unbalanced/0-8.0Vrms Balanced

Signal-to-Noise Ratio (A-Weighted) : 110dB

Dynamic Range : 100dB

Output Impedance: 600 ohms Unbalanced and Balanced

Digital Input Format: SPDIF (PCM)

Digital Input Sample Rate
Coaxial and Optical: Up to 192KHz, 24-Bit
USB: Up to 192KHz, 32-Bit

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