The RR ONYX 1640 is designed to fit the Mackie Onyx 1640. It features a heavy-duty removable, latchable cover with a special No Pressure design to protect your mixer controls, and a unique low profile base that allows you to access your mixerÂ’s rear connection panel without removing the mixer from the case. This Road Ready case comes with a lifetime worldwide warranty. Dimensions: 10.4 h x 20.3 w x 30.1 d (26.42 h x 51.56 w x 76.45 d cm). Weight: 31.9 lbs (14.47 kg).