Sonodyne SLX 2280 subwoofer
- Massive 18″ horn-loaded design for deep, powerful and tight bass output
- High power handling: 1300W continuous / 2600W program for large venues
- Extreme SPL performance delivering up to 137 dB peak
- Wide low-frequency coverage with response down to 30 Hz
- 5″ heavy-duty voice coil ensures superior heat dissipation and long-term reliability
- Rugged 18mm plywood cabinet built for professional touring and installations
- Durable powder-coated steel grille for protection during transport and outdoor use
- Twist-lock connectors for secure and loss-free signal transfer
- Optimized for indoor & outdoor PA systems, concerts, auditoriums and DJ setups
- Recommended crossover (80–120 Hz) for optimal integration with top speakers
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
Sonodyne SLX 2280 18″ Passive Horn-Loaded Subwoofer is a high-performance professional bass system designed for concerts, clubs, auditoriums, DJs, rental companies, and large outdoor/indoor events. Engineered with an advanced 18″ long-excursion driver with a massive 5″ voice coil, this subwoofer delivers extremely powerful, deep, and punchy bass that fills large venues effortlessly. The horn-loaded cabinet design boosts efficiency, giving you higher SPL output with lower power compression, making it ideal for demanding professional sound applications. Built with rugged 18mm plywood, a powder-coated steel grille, and a durable painted finish, the is made to withstand heavy touring and harsh conditions.
Specifications
| Description | Passive, 18″ horn-loaded subwoofer |
| LF Transducer | 18″ driver with 5″ voice coil |
| Nominal Impedance | 8 Ω |
| Frequency Range (–10 dB) | 30 Hz ~ crossover frequency |
| Frequency Response (–3 dB) | 35 Hz ~ crossover frequency |
| Recommended Crossover Frequency | 80 – 120 Hz, 18–24 dB/oct low-pass |
| Recommended Subsonic Filter | 35 Hz, 24 dB/oct |
| Sensitivity (1 W / 1 m) | 100 dB |
| Max SPL (Continuous / Peak) | 131 dB / 137 dB |
| Power Handling (Continuous / Program) | 1300 W / 2600 W |
| Connectors | 1 × Twist-lock input, 1 × Twist-lock link |
| Enclosure Material | 18 mm plywood |
| Enclosure Shape | Rectangular |
| Finish | Durable painted finish |
| Grille | 18-gauge perforated steel, powder-coated |
| Dimensions (H × W × D) | 850 × 570 × 854 mm |
| Net Weight | 64 kg |























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