Headphone Reviews

Description: Battery-powered headphone amplifier. Includes rubber feet, Velcoin Velcro discs, USB-to-mini-USB cable, 1/8"-to-1/8" audio cable. Maximum voltage gain with 300 ohm load: 11.2dB. Maximum THD+N, 20Hz-20kHz, 300 ohm load: 0.15%. Input impedance at 1kHz: 20k ohms. Output impedance at 1kHz: 1.7 ohm.
Dimensions: 2.75" W by 4.5" D by 1" H. Weight: 2.5oz per website, 5.5oz per spec sheet (with batteries).
Serial number of unit reviewed: Not noted.
Price: Total BitHead, $269.
Manufacturer: HeadRoom, 2020 Gilkerson Drive, Bozeman, MT 59715. Tel: (800) 828-8184, (406) 587-9466. Fax: (406) 587-9484. Web: www.headphone.com.