Crown DCI4/1250N sennheiser The A150 from Audix are

The A150 from Audix are closed-back

(1pc) Flat Wrench

It includes a Patch Manager for effects chains

short 10 pin flat cable with removable connectors on both ends)

Filling In

Crown DCI4/1250N sennheiser The A150 from Audix areCROWN DCI4 1250N. The DriveCore Install series amplifiers is a complete line of high performance installation amplifiers based on the proprietary DriveCore technology. DCi Series amplifiers are designed, engineered and manufactured to the industrys highest quality standards, and provide system integrators with the advanced features and flexibility required for challenging 21st century installed sound applications. Versatile, compact and highly energy