DIY Parts

ODAC (ObjectiveDAC)

Starting At $99
In Stock

The ObjectiveDAC (ODAC) is a high performance DAC designed by NwAvGuy and Yoyodyne Consulting. Includes USB cable. Latest model, RevB.

  • RevB - $99


Hide Show

ObjectiveDAC (ODAC) is a digital-to-analog convertor designed by NwAvGuy and Yoyodyne Consulting. Full details can be found at NwAvGuy's Objective2 Release Article. Please see our 2012 blog announcement for additional information and discussion, On the ODAC, as well as the 2015 ODAC RevB update.

ODAC is available in several forms:

Assembled Board (this item) - Consists only of the assembled ODAC circuit board. User is responsible for installing ODAC in their own enclosure or amplifier. Some soldering is required. No line-output jack.
Standalone ODAC - ODAC installed in its own aluminum enclosure. Ready to use with any amplifier, via 3.5mm or RCA line output. Self-powered by included USB cable.
Objective2+ODAC Combo - A fully assembled Objective2 headphone amplifier with integrated ODAC in same enclosure. Objective2+ODAC is an AC-powered product only!.

DIY - Custom Objective2 Modification Guide
DIY - Custom Objective2+ODAC Modification Guide
DIY - Standalone ODAC Guide

The default USB Audio Class 1 drivers included with your operating system are recommended for use with ODAC. SaviAudio also provides ASIO drivers for ODAC RevB. ASIO should only be installed when demanded by specific applications. If you are uncertain whether ASIO is required, do not install!

Tech Specs

Hide Show

DAC Performance

Freq. Response 20Hz-20kHz +/- 0.04dB
THD+N 100 hz -0.15 dBFS 0.0028%
THD+N 20 hz -0.15 dBFS 0.0015%
THD+N 10 Khz -0.15 dBFS 0.0024%
IMD CCIF 19/20 Khz -6.03 dBFS 0.0015%
IMD SMPTE -6.03 dBFS 0.0015%
Noise A-Weighted dBu 24/96 -103 dBu
Dynamic Range (A-Weighted) > 112 dB
Linearity Error -90 dBFS 24/96 -0.08 dB
Crosstalk -10 dBFS 100K 3.5mm -86.40 dB
USB Jitter Components 11025Hz -112.3dB
Maximum Output Line Out 100K 2.1 VRMS
Distortion < 0.005%

Data Support

Audio Formats 16/44, 16/48, 16/88.2, 16/96, 24/44, 24/48, 24/96
Interface USB, Audio Class 1
Native Driver OS Support Windows XP & Later, OS X x86, Linux


Inputs Mini-USB
Output 3.5mm (or RCA), line level
Power Self-powered by USB


PCB Dimensions 49.0 x 58.0 mm
Weight 2oz


Hide Show

  • Assembled ODAC RevB PCB
  • 3ft mini-USB cable with ferrite

Select Configuration