Audio-Technica USB headphone amplifier with built in DAC (AT-HA30USB) for notebooks will be available in Japan from June 20th for approximately 21,000 yen ($205). The headphone amplifier device measures 61.5 × 21 × 10.6mm and weighs 15.5g only. Like a pen drive, the USB port is protected by a takeoff type cap. The maximum output power from Audio-Technica USB headphone amplifier is 13mW × 2ch (32Ω). Total harmonic distortion is less than 0.03%.10Hz and SN ratio 97dB or more. It is powered by USB bus power.
Aluminum is used for the body and features an LED indicator. The LED indicator turns blue when using 32/44.1/48kHz transmission time and turns on and red when transmitting 96kHz. Clear sound reproduction is obtained from the built in USB DAC amplifier. Audio-Technica AT-HA30USB, USB headphone amplifier with built in DAC takes the flat, quiet sound from the notebook on-board audio and make it clearer and louder.
