The Rolls RA62C headphone/earphone amplifier features 6 stereo channels (both 1/4″ and 3.5 mm) with independent output controls that can be used simultaneously. It can put out a vigorous 600 mW per jack. It boasts XLR, 1/4″, and RCA Main Inputs, as well as six stereo insert jacks for separate use of each channel.Its innovative Direct Input feature lets you mix an additional stereo signal with each individual channel, and each channel sports a CLIP LED for quick and easy monitoring. The RA62C also has a stereo/mono switch for mixing two mono signals. It has front and rear input jacks for maximum flexibility, and it can even be used as a 6-channel distribution amp.This stylish, single rack space unit runs on a Rolls PS12 AC adapter for quiet operation.Rolls RA62C Features:(6) 1/4″ Headphone & (6) 1/8″ (3.5mm) Earphone Outputs per channel with Level Controls1/4″ and 1/8″ Outputs may be used simultaneously1/4″, RCA and XLR Main Inputs6 TRS Stereo Insert jacks for separate use of each channelUp to 600 mW output per jackDirect Input for mixing additional stereo signal per channelCLIP LED for each channelStereo/Mono Switch – allows mixing 2 mono signalsFront and rear panel input jacksMay be used as a six channel Distribution AmplifierFR4 Double-sided epoxy circuit boardSocketed ICsMade in the U.S.A.Rolls RA62C Specifications:Input Impedance: 10K Ohms unbalancedMax Input Level: +18 dBVMax Gain: 20 dB/ChannelMax Output Power: up to 300 mW/side, 600 mW/Channel (@ 16 Ohms)Frequency Response: DC – 30 kHzS/N Ratio: 90 dBTHD: < .008%IMD: < .008%Phase Shift (In to Out): 0Slew Rate: 25 V/m SecondCrosstalk: -65 dB