O2+ODAC is covered by our 2-year transferrable warranty
O2+ODAC is an Objective2 headphone amp with integrated ObjectiveDAC. This high performance amp+DAC combo ships fully assembled, tested, and ready to use. Includes USB cable.
Our Objective2's are assembled 100% in accordance with NwAvGuy's default, high-performance specifications.
Reference Grade Sound
Objective2 achieves vanishingly low THD and noise performance for audible perfection.
Low Output Impedance
O2's extremely low output impedance ensures transparent frequency response for all headphone loads.
At over 600mW, Objective2 provides enough output power to drive all dynamic headphones on the market with authority.
ODAC's audibly insignificant jitter (-112 dB) proves that reference quality D/A conversion can be affordable!
You'll enjoy O2+ODAC's 24-bit audio. Impressive dynamic range and low noise give perfect clarity.
Natural Frequency Response
Both the amplifier and DAC stages of O2+ODAC perform within +/- 0.1 dB of ideal frequency response.
|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|
|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, iOS, PS4, Linux|
|Case Dimensions (mm)||108.50 x 80.00 x 29.50|
|Case Dimensions (in)||4.27 x 3.15 x 1.16|
|Frequency Response 20Hz-20kHz||+/-0.1 dB|
|THD 1 Khz 150 Ohms||0.0016%|
|IMD CCIF 15 Ohms||0.001%|
|Noise, A-Weighted||-105 dBu|
|Max Output (33 Ohms)||613 mW|
|Max Output (150 Ohms)||355 mW|
|Max Output (600 Ohms)||88 mW|
|Output Impedance||0.54 ohms|
|Crosstalk (15 ohms)||-65 dB|
|Channel Balance (50% volume)||0.6 dB|
|Gain||1.0 and 3.3x*|
|Volume Potentiometer Taper||Alps 15A or 3B|
|Analog Output||3.5mm or 6.35mm*|
|DAC Line Output||3.5mm or RCA**|
|* Denotes Customization Option|
|** See Jack Configurations below|
Black and Silver Edition: Default configuration, featuring front mounted 3.5mm (1/8") headphone jack, 3.5mm input jack, and AC power jack. Rear mounted digital USB input.
Custom Edition: Customize your O2+ODAC. Choose a 3.5mm or 6.35mm (1/4") headphone jack, front or rear mounted AC power jack, optional 3.5mm or RCA DAC line-output, and custom gain levels. Customized units ship within 1 business day, exclusively in black!
Add O2+ODAC to your shopping cart to select your free AC adapter. Please note that O2+ODAC is an AC powered device and does not contain batteries. Additional power adapters are available below: