Rolls MX41b Stereo 4 CH 1/4 & 1/8 inch Mixer Passive

Rolls MX41b is a stereo four channel passive mixer for expanding a console mixer, mixing instruments, CD players, cassette players, computers etc. It requires no batteries or other power source. The unit may also be used as a 1 In 4 Out stereo splitter box when all controls are set to maximum.