LB20-SW400-D
Bosch LB20-SW400-D Cabinet Subwoofer 2x10", Black Color, Two 10 inch high-excursion woofers, 400 W power handling provides for 120 dB, maximum SPL (126 dB peak), Frequency response (-10 dB): 33 Hz - 500 Hz, Sensitivity: 94 dB, Power handling: 400 W (1600 W Peak) Continuous, Pink Noise (100 hours), Nominal impedance: 8 Ω (stereo mode); 4 Ω(mono mode), IP-54 (per IEC-60529); IP-65 with port covers.