The QSC AD-S28Tw-BK AcousticDesign Surface Mount Subwoofer is a professional subwoofer designed to deliver controlled low-frequency reinforcement for compatible QSC AcousticDesign loudspeakers. Its dual 8-inch woofer configuration and dual-chamber bandpass enclosure make it suitable for commercial audio installations requiring enhanced bass performance.
Built with a marine-grade plywood cabinet, weather-resistant polypropylene woofers, a zinc-coated steel grille, and molded ABS endcaps, the AD-S28Tw-BK is designed for demanding audio installations. Its 70V/100V transformer and selectable 8-ohm bypass provide flexibility for distributed and low-impedance sound systems.
QSC AD-S28Tw-BK Features
- Dual 8-inch woofers: Weather-resistant polypropylene cones with rubber surrounds deliver low-frequency reinforcement.
- Dual-chamber bandpass enclosure: Designed for efficient, controlled bass reproduction.
- Flexible system integration: Supports 70V and 100V transformer operation and selectable 8-ohm bypass.
- Installation versatility: Features a marine-grade plywood cabinet, protective grille, ABS endcaps, and multiple mounting options.
Additional features: Defeatable passive 120Hz low-pass filter with impedance compensation, 250W continuous power rating as supplied, and textured black finish.
QSC Certified Expertise
Knowledgeable Support for QSC Products
HDTV Supply has QSC Level 1 certified expertise. Our team has completed QSC Level 1 Training, demonstrating foundational knowledge of the QSC platform, including system design, hardware and software, programming, and troubleshooting.
This training helps us provide knowledgeable product guidance when customers are selecting and deploying Q-SYS solutions. When you purchase QSC products from HDTV Supply, you are working with a team that understands the QSC ecosystem and can help you make informed product and system decisions.
Why Buy the QSC AD-S28Tw-BK from HDTV Supply?
Enhance your commercial audio system with the QSC AD-S28Tw-BK AcousticDesign Surface Mount Subwoofer. Contact HDTV Supply for product information and help selecting compatible audio equipment.
Call: 833-WOLFPACK
Website: www.hdtvsupply.com
Ask a Question
Have questions about the QSC AD-S28Tw-BK AcousticDesign Surface Mount Subwoofer? Contact HDTV Supply for product information, compatibility guidance, or installation assistance.
Phone: 833-WOLFPACK
Website: www.hdtvsupply.com
QSC AD-S28Tw-BK AcousticDesign Surface Mount Subwoofer Specifications
| Speaker System | |
|---|---|
| Product Type | Surface-mount bandpass subwoofer |
| Drivers | 2 × 8-inch (200 mm) weather-resistant polypropylene cone woofers with rubber surrounds |
| Nominal Impedance | 8 ohms |
| Continuous Power Rating | 250W RMS, as supplied |
| Maximum Recommended Amplifier Power | 500W RMS, as supplied |
| Peak Power Handling | 700W peak, as stated in the supplied feature information; verify with the manufacturer |
| Sensitivity | 94 dB, 2.83V, 1m, half space (2π) |
| Audio Performance | |
| Frequency Response (-6 dB) | 42 Hz–165 Hz |
| Frequency Response (-10 dB) | 36 Hz–205 Hz |
| Low-Pass Filter | Passive 120Hz filter, bypassable, with impedance compensation |
| Maximum SPL (2π Half Space) | 124 dB peak / 118 dB continuous |
| Maximum SPL (4π Full Space) | 118 dB peak / 112 dB continuous |
| Transformer and Connections | |
| Transformer Design | Custom low-distortion laminated core, wide-bandwidth design, as supplied |
| 70V Transformer Taps | 200W, 100W, 50W, 25W, as supplied |
| 100V Transformer Taps | The supplied information lists 200W, 100W, and 15W; confirm the tap settings with the manufacturer before publishing |
| Transformer Bypass | Switch-selectable 8-ohm bypass mode |
| Connectors | Four-position screw-terminal barrier strip (2 inputs, 2 outputs), as supplied |
| Construction and Environmental Rating | |
| Enclosure | Marine-grade plywood with ABS endcaps and steel grille |
| Finish | Textured black paint |
| Environmental Resistance | The supplied information describes resistance to humidity, salt spray, and dust; confirm the applicable test standard with QSC |
| Ingress Protection | IPX4, as supplied |
| Mounting and Physical Details | |
| Mounting Options | Rubber feet, forged-shoulder M6 steel eyebolts, steel yoke, and steel shear plates are listed in the supplied information. Confirm included accessories for the specific package. |
| Product Dimensions | Not provided in the supplied information |
| Product Weight | Conflicting values were supplied (43 lb / 19.5 kg and 55 lb / 25 kg); verify the correct weight before publishing |
| Packaging Information | |
| Package Weight | 59.35 lb, as supplied |
| Box Dimensions (L × W × H) | 29 × 20 × 14.75 inches, as supplied |
QSC AD-S28Tw-BK Manuals and Downloads
QSC AD-S28Tw-BK Questions & Answers
QSC AD-S28Tw-BK Warranty Information
For current warranty coverage, exclusions, and registration requirements for the QSC AD-S28Tw-BK AcousticDesign Surface Mount Subwoofer, please confirm the applicable terms with QSC or HDTV Supply before purchase.
Phone: 833-WOLFPACK
QSC AD-S28Tw-BK Customer Reviews
Customer reviews, when available, can help you evaluate the product for your audio installation. Check this product page for current review information or contact HDTV Supply with questions about the QSC AD-S28Tw-BK.
