The powerful FBT MITUS 118FSA/FSCA subwoofer meets the following performance criteria: frequency response of 33Hz to 100Hz, Spl cont/peak of 135/139dB mid-space. The FBT MITUS 118FSA/FSCA is a cardioid hybrid bandpass subwoofer design that incorporates an 18" B&C neodymium magnet high-excursion woofer and 3.5" voice coil. The hybrid configuration allows for ventilation extension and speed with high SPL and acoustic bandpass filtering. The FBT MITUS118FSA/FSCA suspension hardware, fully compatible with the MITUS 206LA, allows the speaker to be suspended from the front (FSA model) or rear (FSCA model) for easy cardioid setup. The FBT MITUS 118FSA/FSCA has a DSP with 8 presets; The control panel has XLR "in&link", volume, preset, delay, phase 0°-180°, ground lift switch. The FBT MITUS 118FSA/FSCA features a Baltic birch plywood construction covered in a scratch-resistant black paint.