UHA-3 USB DAC and Headphone Amplifier

* Mini-USB connector for audio streaming on Windows or Mac (uses built-in USB audio drivers)
* Texas Instruments PCM2706 USB Audio Interface
* Cirrus Logic CS4344 DAC
* Lithium-ion rechargeable battery (18 hours typical runtime)
* Automatic battery recharge via USB
* 1/8 inch (3.5mm) analog audio input jack
* 1/8 inch (3.5mm) headphone jack
* High-gain (18dB) and low-gain (0dB) settings
* High-frequency switching regulator for low-noise +/-6V supply rails
* High-power output stage using parallel Analog Devices AD8512 op-amps
* Up to 100 mW into 32 Ohms, <1.0% THD
* Up to 115 mW into 100 Ohms, <1.0% THD
* Up to 40 mW into 300 Ohms, <1.0% THD
* 0.05% THD, 1 mW into 32 Ohms
* 0.02% THD, 1 mW into 100 Ohms
* 0.008% THD, 1 mW into 300 Ohms
* 13 dBu into high-impedance load (>1 kOhm), <0.01% THD
* -116 dBV A-weighted output noise floor in low-gain mode
* Frequency response: 20 Hz to 20 kHz, +/-1 dB
* Hammond extruded aluminum enclosure, 3.2" x 2.1" x 0.9" (approximately the size of a credit card)
* LED power and charge indicators
* includes 36" stereo 3.5mm cable and 36" mini-USB cable
* 30-day money-back guarantee and 6-month warranty