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JDS Labs O2+ODAC Headphone Amp with integrated ODAC RevB (Custom LE Spec)
Reference Quality in One Box. The JDS Labs O2+ODAC is an Objective2 headphone amp with integrated ObjectiveDAC Revision B. This high performance amp+DAC combo is made in the USA and...
Custom Limited Edition Spec Features
- Dedicated RCA DAC line-output - A dedicated DAC line output is recommended when you intend to use O2+ODAC's analog input jack with strong sources, above 1VRMS. Dedicated RCA line-output jacks are located on the rear side of O2+ODAC, allowing you to drive an external amplifier or pre-amp. The front 3.5mm input jack mechanically overrides ODAC when a cable is inserted.
- Medium Gain, 1.0 and 3.5x - Moderate gain levels for Objective2: Low gain of 1.0x (unity), and High gain of 3.5x. This configuration is optimal when O2 is driven exclusively from a 2VRMS DAC, such as O2+ODAC.
- Rear Power Jack
- Custom - 1/4in (6.35mm) Headphone Jack
- 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.
- High Power - At over 600mW, Objective2 provides enough output power to drive all dynamic headphones on the market with authority.
- Low Jitter - ODAC's audibly insignificant jitter (-112 dB) proves that reference quality D/A conversion can be affordable!
- 24-Bit Resolution - 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.
DAC Performance:
- Freq. Response 20Hz-20kH: +/- 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 24/96L: -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%
- 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
- Case Dimensions (mm): 108.50 x 80.00 x 29.50
- Case Dimensions (in): 4.27 x 3.15 x 1.16
- Weight: 11oz
- Frequency Response: +/-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
- 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
- The dual gain button allows you to select between low or high amplification. This configuration (1.0/3.5x) is optimal for all headphones when O2 is driven from a 2VRMS DAC, such as O2+ODAC.
- Volume Potentiometer Taper: Alps 15A
- Analog Input: 3.5mm
- Digital Input: Mini-USB
- DAC Line Output: RCA
- Power Input: 14-20VAC
- 3ft mini-USB cable with Ferrite