This Yamaha DBR10 has been fully tested and is in good working condition. Cosmetically this unit has some minor marks and scratches and slight denting on the front mesh. Missing the Volume knobs. Missing clips on XLR ports. Yamaha DBR10 Powered Portable Loudspeaker with up to 700W of Output Power and Powerful Bass, 10 Woofer, in Black. The compact Yamaha DBR10 is capable of delivering a maximum SPL of 129dB, making it an optimal DJ or monitor speaker as well as an amplification speaker for electronic instruments. Custom-designed transducer: The high power output woofers deliver well-defined bass with minimal distortion while the 1 precision compression driver produces accurate mid-range and high frequencies. Lightweight design: Robust, lightweight plastic casing makes the DBR10 more portable than other Yamaha speakers, with sleek steel grilles for added protection and ergonomic handles for easy carrying. The Yamaha DBR10 speaker features a 50° wedge tilt angle on one side making it optimal for floor monitoring.