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O2+ODAC Combo



O2+ODAC Combo
An Objective2 (O2) headphone amp with integrated ObjectiveDAC (ODAC). This high performance amp+DAC combo ships fully assembled, tested, and ready to use. Includes USB cable.

IN STOCK
O2+ODAC Combo O2+ODAC Combo

*Current Status*: Ships within 24 hours

The O2+ODAC combo is an Objective2 headphone amplifier with an ODAC installed in the same enclosure.

O2 is an open source amplifier designed by NwAvGuy, with emphasis on benchmark performance and low cost. ODAC is a digital-to-analog convertor designed along the same principles of maximum performance and value.

Together, O2+ODAC deliver reference grade audio performance at a fraction of the price of comparable equipment.

The O2+ODAC requires a mini-USB cable (included) and AC power adapter suitable for your region. Please note that the O2+ODAC does not contain batteries. Choose the separate Objective2 and Standalone ODAC if you require a rechargeable configuration.

Remember to select an AC Adapter!

For North America (120V) Triad 12VAC Power Adapter (North America Only) For EU, UK, or AU (220-240V) G.E.Z 15VAC Power Adapter
  • Inputs: Mini-USB (ODAC, digital) and 3.5mm Jack (O2, analog)
  • Output: 3.5mm Jack
  • Dual Gain Switch (2.5x and 6.5x)
  • Alps Dual Analog Potentiometer

  • Amplifier Specifications:
  • Frequency Response: +0.01, -0.01 dB (20Hz-20kHz)
  • THD 1 Khz 150 Ohms: 0.0016%
  • IMD CCIF 15 Ohms: 0.001%
  • IMD SMPTE: 0.002%
  • Noise (ref 400 mV): -105 dB
  • Max Output (33 Ohms): 613 mW
  • Output Impedance: 0.54 Ohms
  • Crosstalk (15 ohms): 65 dB
  • Channel Balance (max volume): 0.6 dB

  • Gain: 2.5x and 6.5x
  • Volume Potentiometer Taper: 15A or 3B
  • Case Dimensions: 108.50 x 80.00 29.50 x mm (excludes knobs/buttons)
  • Weight: 11 oz

    DAC Specifications:

  • Freq. Response: +/- 0.1 dB
  • THD+N 100 hz 0 dBFS: 0.0029%
  • IMD CCIF 19/20 Khz –3 dBFS: 0.0011%
  • IMD SMPTE –1 dBFS: 0.0004%
  • Noise A-Weighted dBu 24/44: -102.8 dBu
  • Dynamic Range –60 dBFS A-Wtd: -111.1 dBr
  • Linearity Error -90 dBFS 24/44: 0.0 dB
  • Crosstalk 0 dBFS Line Out 100K: -93.5 dB
  • Maximum Output Line Out 100K: 2.0 Vrms

  • Fully assembled, tested O2+ODAC Combo
  • Mini-USB cable with Ferrite
  • Instructions: O2+ODAC Combo

    Power adapters are sold separately, as we ship worldwide (power standards vary by country). Please refer to the instructions, or our Objective2 Power Adapter Guide for more information. Recommended power adapters include:

  • For North America: Triad WAU12-200
  • For EU, Great Britain, or Australia: G.E.Z. GPS411500500WA00