nexus speaker CS-613 Speaker Driver: 8 SPL(1W/1M): 90dB Max. SPL (Rated W/1M): 98dB Impedance: Com/ 3.3 KΩ/ 1.7 KΩ Power Taps @100V: 7.5W, 15W Mounting: Flush-mount dog ears Weight: 0.9Kg Frequency Response (-10dB): 100hz- 16khz Dimensions: 280 x80mm Cutout Size: 245mm