Mackie 402VLZ4 - The VLZ4 series feature premium quality Onyx microphone preamps and very low noise. They're also very rugged, built to take a beating - perfect for a moving set-up. Features: 4-channel mixer featuring Mackie signature high-headroom/low-noise design. 2 boutique-quality Onyx mic preamps. Ultra-wide 60dB gain range. 128.5 dB dynamic range. +22 dBu line input handling. Extended frequency response. Distortion under 0.0007percent (20Hz 50kHz).