Noisy Motel
The JDS Labs OL DAC is a fantastic companion to Objective2, home theatre setups, powered speakers, and gaming systems. Derived from its larger Element Line brother, OL DAC is also 100% self powered. Its AK4490 accepts the essentials: optical and USB Audio Class 1 inputs. A DAC that delivers, with a footprint small enough to set and forget; one that reflects the Objective Line's value.

Fundamental Value

The Objective Line began as an opensource amp design by blogger NwAvGuy. Through years of customer feedback, we've engineered several amps and DACs along the same technical philosophy and design spirit. OL DAC is fundamentally the best value brought to the series, and stacks with Objective2 and/or OL Switcher to form a versatile listening center.

OL DAC Features:

Optical and USB Inputs

OL DAC provides the basics. Its USB Audio Class 1 engine is plug-and-play with all operating systems, and optical input expands connectivity to home entertainment. Mode is easily selected by a front mounted slider switch.

Differential Summing Output

Differential output of the AK4490EQ DAC is summed by an OPA2227, with DC coupling throughout. Drive any devices you wish, satisfactorily.

100% Self-Powered USB

OL DAC is powered by the same circuitry developed for our flagship EL DAC, using an AC power adapter and 9 linear regulators to ensure consistent rail voltage and super low ripple. Never be bothered by USB hubs or OS power management configuration again!


DAC Performance
  • Frequency Response 20Hz-20kHz +/- 0.15dB
  • THD+N 20Hz-20kHz < 0.0025%
  • IMD CCIF 19/20 kHz -6.03 dBFS 0.00033%
  • IMD SMPTE -6.03 dBFS 0.00031%
  • Noise (A-Weighted) -109 dBu
  • Dynamic Range (A-Weighted) 114 dB
  • Linearity Error -90 dBFS +/-0.01 dB
  • Crosstalk -10 dBFS 100K RCA -108 dB
  • USB Jitter Components 11025Hz -116 dB
  • PCB Stackup 4 Layers
  • Maximum DAC Line-Output, 100K 2.00 VRMS

Data Support
  • Audio Formats (Optical) 16/44.1kHz thru 24/192kHz* (Many optical sources are unable to reliably transmit at 192kHz)
  • Audio Formats (USB) 16/44.1kHz thru 24/96kHz
  • USB Interface USB Audio Class 1
  • USB Driver OS Support Windows XP/7/8/10, PS4, OS X, iOS, Linux

  • Digital Inputs USB and TOSLINK
  • DAC Line-Output RCA

  • Case Dimensions 4.27 x 3.15 x 1.16 in
  • Weight 13 oz

  • OL DAC
  • 15VAC Power Adapter
  • 3ft USB Type-A Cable


Availability: Due Back Soon
Price: $269.00 (FREE Shipping)

JDS Labs OL DAC Digital-to-Analog Converter


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