- Comes in three versions; the line version has 16 line inputs with balanced XLR, and unbalanced jacks, one aux send per channel, the mic version has 16 mic pres, inserts on every channel, phase reverse, and input gain instead of an auxiliary send. The 8+8 version has 8 mic channels and 8 line channels. All versions feature two large VU meters, mute and solo per channel, direct outs, main or alternative speaker selection, speaker dim, 2 track return, external in, and mono button. There are 2 x 12AT7WA triode valves and 2 x 6414 triode valves in the mix bus. The mixer has a separate non rack mounting power supply. Manley mixers are based on proven electronic philosophies and reliability. Manley have a no compromise attitude on quality. 19 inch rack mounting. 5U.