The AD-S28Tw, part of the AcousticDesign series from QSC, is a professional-quality surface mount subwoofer designed to provide low frequency enhancement to ceiling or surface mount AD-series speakers. The subwoofer has a marine-grade plywood cabinet that houses a pair of 8" polypropylene woofers. The cabinet has a dual chamber ported bandpass design with a large port to extend low frequency response.
The subwoofer has a defeatable passive 120Hz low-pass filter with impedance compensation and a 70/100V multi-tap transformer that can also be bypassed for use with 8 ohm speaker systems, making it extremely versatile. The subwoofer can be mounted in a number of ways; freestanding with the included rubber feet, or suspended via forged-shoulder eyebolts or the included steel yoke.
- Ideal companion for AD-series speakers
- Marine-grade plywood cabinet provides exception resistance to humidity. It also features a zinc-plated steel grille, molded ABS endcaps, and a rotatable logo
- Pair of 8" polypropylene woofers provide clear, strong bass and are protected for humid environments
- Dual chamber bandpass design features one sealed chamber and one ported chamber to provide efficient, tight bass with excellent low frequency extension
- Defeatable passive 120Hz low-pass filter with impedance compensation
- High power handling capability of 250W continuous/700W peak
- The 70/100V multi-tap transformer has an 8 ohm bypass mode and standard screw terminal connectors, allowing you to connect the subwoofer to virtually any professional sound system
- Rubber feet, forged-shoulder eyebolts, and a steel yoke give you a variety of mounting options
