Product Information: The DBR10 is the most compact model in its series and in its class. Capable of delivering a maximum SPL of 129dB from its compact enclosure, the DBR10 can be used as a utility speaker in a variety of environments. Using the latest DSP, Yamaha applied their proprietary FIR-X tuning to optimize the sound and protection algorithms of the DBR10, providing you with plenty of muscle, despite this active speaker's rather diminutive size. Incredibly versatile. Product Features: Speaker type: two-way, bi-amp powered speaker, bass-reflex type Frequency range: (-10dB) 55Hz to 20kHz Components: 10-inch cone diameter, 2-inch voice coil, ferrite magnet Maximum output level (1m; on axis): 129dB SPL FIR-X tuning delivers excellent sound quality with high resolution and a smooth frequency response D-Contour optimizes the DBR10 for main speaker or floor monitor use Onboard mixer lets you select either a direct output or a mixed output Comprehensive inputs for mixer, musical instrument, or media players Amplifier and power supply design provides powerful output from a compact speaker DSP-controlled protection functionality promotes optimum reliability For more information and specifications, please refer to the manufacturer's website