Rolls RA53 5 Channel Headphone Amplifier

The RA53 is a 5-channel headphone amplifier.It provides much more output level and power than other units, and superior performance with more types of headphones. It features five 1/4" TRS headphone outputs with level control.1/4" and 3.5mm outputs can be used simultaneously for 10 total outputs. It also features XLR, 1/4", and RCA inputs, inserts on three channels, and link input / output for connecting two units together. Specifications: Input Impedance: 10 kOhms. Maximum Input Level: +18 dBV. Max Gain: 26 dB per channel. Maximum Output Power: 300 milliwatts per channel. Output Impedance: 10 Ohms. S/N Ratio: less than 90 dB. THD: less than .008%. IMD (SMPTE): less than .008%. Power: 12 VAC/DC 2.1 X 5.5 tip neg. (Adapter provided). Dimensions: 8.4" x 1.7" x 5" (21.3 x 4.3 x 13 cm). Weight: 2.5 lbs. (1.14 kg).