CT1501 Specification: 

Components: 15″ subwoofer WLo 15100A

Power: 400W Rms

Max. Power: 800W

Frequency Response: 35Hz?800Hz(-3dB)

Impedance: 8 Ω

SPL: 103dB(1m/w)

Peak Sound Pressure: 133dB

Dimension(W,D,H)mm: 686 W×540 D×450 H (mm)

Weight: 42kg