Objective2 O2 Headphone Amplifier – Mayflower Electronics (Standard Version)
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DOES NOT INCLUDE A DAC (ODAC) We have the model with an ODAC for sale on eBay.This design was made by nwavguy. It is the most clean and powerful headphone amp you can buy for any reasonable price. The objective2 will drive any headphones from 5 ohm to 600 ohm headphones via the switchable gain button which comes as standard with 2x gain and 6.5x gain.Objective2 amps have almost 0 output impedance – Designed for high power/impedance headphones as well as for more sensitive ones. This is the best amplifier for desktop/portable use, with near-to-zero impedance, for an affordable price so far. Each unit is hand made from parts within USA. Please contact for a customization request or to add an ODAC._________________________________________________________________________________________________________________________________________________ Objective2 Amplifier – SpecificationsFrequency 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 dBMax Output (33 Ohms): 613 mWOutput Impedance: 0.54 OhmsCrosstalk (15 ohms): 65 dBChannel Balance (at 50% volume): 0.6 dB Gain: 2.0x and 6.5x (Configurable)Battery Run-time: 6-8 hours – Charge time is between 15-20 hoursWeight: 11 oz, with batteries ___________________________________________________________________________________________________________________________________________________Purchasing this Item includes 1 objective 2 headphone amp with a 120 volt A/C adapter. Please note you must use a step down converter to use this amp in 220v countries or purchase an adapter on our website._______________________________Please ask if you have any questions.