Check the listing for details. Rolls 4 CH Portable Battery Op. Headphone Amp. Condition: New. Listed at 129.00 USD. --> Rolls 4 CH Portable Battery Op. Headphone Amp ITEM INCLUDES Rolls 4 CH Portable Battery Op. Headphone Amp 1-Year Limited Warranty DESCRIPTION Full frequency response, four channel headphone monitoring device designed for the recording studio, or other professional applications. Each output boasts a whopping 20 dB of clean channel gain. * Stereo 1/8-in and Dual RCA Inputs * Rotary Volume controls * AC adapter included * 15-35k Hz frequency response * Lots of output level.... it’s loud! * 9V battery Operated * Input Impedance: 47k Ohms * Max Input Level: +13 dBV adapter, +8 dBV Battery * Input Connectors: TRS Stereo 1/8-in, Dual RCA * Outputs: 4 - TRS Stereo 1/8-in (3.5mm) * Output Impedance: 10 Ohms each output * Max Gain: 20 dB/Channel * S/N Ratio: >90 dB * THD: < .008% * IMD (SMPTE): Store HomeView All ListingsBookmark UsContact Us Copyright © PhotoVideo4Less. All rights reserved.