Rolls HA43 Pro Headphone Amplifier

4 Channel Stereo Headphone Amplifier The HA43 Pro is a full frequency response four channel headphone monitoring device designed for the recording studio, or other professional applications like listening rooms and monitoring stations. Each output boasts a whopping 20 dB of clean channel gain.Features: Stereo 1/4" and Dual RCA Inputs. Slider Volume controls. AC adapter included. Lots of output level.... it's loud! Specifications: Input Impedance: 100K Ohms unbalanced Weight: 1 lbs (.45Kg) IMD (SMPTE): < .008% THD: < .008% S/N Ratio: > 90 dB Max Gain: 20 dB/Channel Outputs: 4 TRS Stereo 1/4", 4 TRS Stereo 1/8" (3.5mm) Input Connectors: TRS Stereo 1/4" phone, Dual RCA Max Input Level: +14 dBV Size: 4.15 x 3.45 x 1.16 (W x H x D)