
Rolls RA53b 5-Channel Headphone Amplifier
5 Channel Headphone Amplifier, 1/2 Rack Space The RA53b is a high powered headphone amplifier with five 1/4" and 1/8" (3.5mm) headphone and earphone outs. Two RA53b units may be linked together and mounted side-by-side in a universal rack tray for a total of 10 outputs.Features: # 5: 1/4" TRS Headphone Outputs with Level Control. Lots of Gain. 1/4" and RCA Right and Left Inputs. Inserts on Two Channels. 1/4" TRS Stereo Input, 1/4" Mono Input. Link Input/Output for Connecting Two Units Together. Specifications: Input Impedance: 10 K Ohms Maximum Input Level: +18 dBV Max Gain: 26 dB per channel Maximum Output Power: 200 mW per side, 400 mW per channel (@ 16 Ohms) Output Impedance: 10 Ohms S/N Ratio: >90 dB THD: <.08% IMD (SMPTE): <.08% Power: 12 VAC (Adapter provided) Size: 8.4 x 1.7 x 5" (21.3 x 4.3 x 13 cm) Weight: 2.5 LBS (1.14 kg)