JBL MTC-300BB12 Backbox For 12-IN C300 100287347 Constant Current Drive provides smooth

Constant Current Drive provides smooth frequency response with any headphones

Counterweight Weight: 5

External Input Connector Type: 1/4" TRS stereo unbalanced

The optimized closed-back design ensures excellent isolation during tracking

The K812 was also designed for long mixing or listening sessions: An open mesh headband and 3D-shaped slow retention ear pads ensure maximum comfort that will let you forget that you have the K812 on your head

JBL MTC-300BB12 Backbox For 12-IN C300 100287347 Constant Current Drive provides smoothJBL MTC 300BB12 Backbox For 12 Inch C300 Features: Extra thick 16 gauge metal construction. Lined with 12 mm (1 2 inch) thick MDF to eliminate resonances and to provide extra bass response. Knockouts on top and all four sides. Dual mounting system for baffle. Mounting platform for an optional high power 70V 100V transformer. Specifications: External Volume: 3 cu ft, nominal Internal Volume: 2. 4 cu ft. Knockouts: 22. 1 mm (0. 87 in) diameter opening;