Rolls HA43

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.

HA43 Pro Headphone Amp

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
Size: 4.15 x 3.45 x 1.16 (W x H x D)
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
Current drain 33ma nominal no load 15vdc