Sound Barrier SWX121 – 21″ High-Power Passive Subwoofer
Powerful Low-End Performance for Professional Sound Applications
The Sound Barrier SWX121 is a robust 21-inch high-output passive subwoofer designed to deliver exceptional low-frequency response in a variety of demanding audio environments. Engineered for superior durability and sonic performance, the SWX121 is ideal for fixed installations, touring sound systems, live performances, and clubs.
This subwoofer combines cutting-edge acoustical design with rugged construction to offer deep, tight bass that enhances the low-end of any sound system. Whether used as part of a full-range PA setup or in conjunction with line array systems, the SWX121 provides extended low-frequency support with consistent clarity and punch.
Key Features
- Massive 21″ Woofer – Delivers powerful bass performance with extended low-end reach.
- High SPL Output – Built for large venues, capable of producing high sound pressure levels.
- Heavy-Duty Construction – Durable enclosure built for touring and fixed installations.
- Optimized Port Design – Reduces turbulence and enhances efficiency at low frequencies.
- Custom Engineered Transducer – Ensures superior performance with maximum linear excursion and power handling.
Technical Specifications
| Specification | Value |
|---|---|
| Transducer | 21″ (533mm) LF Driver |
| Frequency Response | 28Hz – 120Hz (-10dB) |
| Power Handling | 1200W RMS / 4800W Peak |
| Nominal Impedance | 8 Ohms |
| Maximum SPL | 137 dB |
| Connector Type | 2 x Neutrik® NL4MP |
| Enclosure Material | 18mm Plywood with Black Paint Finish |
| Grille | Powder-Coated Steel |
| Dimensions (HxWxD) | 24.9” x 27.7” x 33.1” |
| Weight | 128 lbs (58 kg) |
Ideal Applications
- Concert and Touring Sound Systems
- Nightclubs and Theaters
- Houses of Worship
- Outdoor Events and Festivals
- Integration with Line Array Systems
Why Choose the SWX121 Subwoofer?
The Sound Barrier SWX121 delivers unmatched performance in its class, combining deep, thunderous bass with road-ready reliability. It’s the perfect solution for sound engineers and integrators seeking to elevate their system’s low-end response without sacrificing clarity or headroom.
Boost your system’s low-frequency power and reliability with the Sound Barrier SWX121. Order now and bring world-class bass to your next event or installation.
Reviews
There are no reviews yet.