GL2400 is a compact, dual function, LR, Mono sum, 4 group, 6 aux
7×4 matrix console. Frame sizes range from 16 to 40 channels,
including 2 dual stereo channels.
The Mackie 1604-VLZ Pro has been the long-running favorite of audio professionals the world over for its sound quality, ease of use, and rugged dependability.