The TORTECH MX6S 6 channel XLR Phase Shifting microphone mixer is designed to eliminate feedback. The mixer has a balanced XLR and a line level RCA output 6 CH phantom microphone input.

6 CH independent microphone power control/volume switch
Independent microphone and line input switch
EFX port support connecting to conference system
Frequency shift: 5Hz±1Hz
Output impedance: ≤600Ω
Microphone Gain: 5~14dB