CME Audio Matrix System 4-Channel Headphone Amp Standard

High quality 4-channel powerful headphone amplifier. Built-in professional talkback microphone. Balanced stereo inputs and outputs for connections to external equipment and system expansion. 4 x TRS (1/4") headphone jacks with powerful headphone amplifier for headphone at all impedance. 4 separate headphone level knobs. 1 talkback switcher, 1 LED indicator, when talkback is on the signal at line-in will be attenuated by 20dB. 2 x TRS (1/4") line inputs, automatically compatible with balanced/unbalanced source (+4dB/-10dB), for external audio source. 2 x TRS (1/4") line outputs, automatically compatible with balanced/unbalanced source (+4dB/-10dB), for external audio connection like monitor speakers.