Mackie 1604VLZ4 16 Channel Compact 4 Bus Mixer Features: 16-CHANNEL 4-BUS COMPACT MIXER 16-channel mixer featuring Mackie signature high-headroom/low-noise design 16 boutique-quality Onyx mic preamps Ultra-wide 60dB gain range 128.5 dB dynamic range +22 dBu line input handling Extended frequency response