The Yamaha DPM-8 Channel Stage Audio Mixer with USB ultra low noise stereo mixing console boast an 32-bit digital effects processor with 16-presets. Each channel features both XLR and 1/4-inch inputs, low noise (-129dB signal to-noise ratio) mic preamps, 3-band equalizers, aux sends, effects send, pan, mute and level controls. Master section includes dual 10 segment LED meters, subgroups 1 & 2 levels plus headphone output for close monitoring.