Lake People summing amplifier F833, 2 x 4 in 1 / 4 x 2 in 1, 2 x 2 identical sections with two balanced inputs and one balanced output each (4 x 2 in 1), front operated switch for 2 x 2 in 1 or 4 in 1 operation. In this...

Sonifex Redbox RB-PMX4, high performance 10 mono input to 4 mono output preset mixer. Each of the four outputs has a 10 way DIP switch associated with it to select which of the 10 inputs are routed to it. 19", 1u

Rolls RM424, Four Zone Mixer combines two paging microphones with two line level source inputs. Each input is switch selected to output to any combination of four zone outputs. The outputs are all balanced XLR...