2-way BI-AMPLIFIED speaker box- Power output 150 W RMS- ABS box- Woofer 200 mm, paper cone- Compression driver, 25 mm titanium diaphragm- Frequency response: 30Hz-20KHz- SPL(1W/1m): 108±2 dB- Dimensions (H x W x D): 365 x 245 x 200 mm- Package: 1 piece each box..