The 108/HSB is an 8" subwoofer, designed to handle both indoor and outdoor applications where additional low frequency output is required. It is often paired with One Systems models 104/HTH 106/HTH, and 108/HTC. The 108/HSB is designed to be biamped and it offers the flexibility of low-impedance (8 ohm) or high-impedance (70.7 - 100 V) operation. For optimum performance, the 108/HSB should be high-passed at 43 Hz. The 108/HSB's enclosure uses marine-grade stainless steel suspension hardware and enclosure reinforcements plus a HYBRID stainless steel grille with marine capable coating. The 108/HSB also offers an array of optional marine-grade stainless steel suspension hardware including eyebolt rigging, U-Bracket, Pan / Tilt bracket and Pole Mount bracket for placement and aiming flexibility. Add solid, high-impact low end response to your system by adding the 108/HSB.