Rolls RA53b 5 Channel Headphone Amplifier

Rolls RA53b 5 Channel Headphone Amplifier The RA53b is a high powered headphone amplifier with five 1/4” and 1/8” (3.5mm) headphone outputs. Two RA53b units may be linked together and mounted side-by-side in a universal rack tray for a total of 10 outputs. Key Features 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 Technical Specifications Input Impedance 10 K Ohms Maximum Input Level +18 dBV Max Gain 26 dB per channel Output Power 221 mW per side, 442 mW per channel (@ 32 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)