RCF Sub 8003-AS II, Active 18"" Bass Reflex Subwoofer, Power: 2200 W digital power amplifier, Equipped with an 18"" RCF ferrite woofer with 4"" voice coil, Maximum SPL (sound pressure level): 135 dB, Frequency range: 35 - 120 Hz, Mono stereo crossover (24 dB / oct.) with 4 switchable frequencies to choose from: 60 / 80 / 100 / 125 Hz, Limiter, Housing is made from birch plywood with a black textured finish, 2x XLR inputs, 2x XLR-X-Over outputs, 2x Parallel outputs, Dimensions: 694 x 523 x 700 mm, Weight: 45 kg, Optional covers available under Article Nr #417439# and Article Nr #490229# (not included)