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Bose Professional ShowMatch SMS118 18″ Passive Subwoofer
16,986.90 AED Includes 5% UAE VAT
Ideal for theatres, performance venues, auditoriums, and houses of worship, the Bose Professional ShowMatch SMS118 is a subwoofer module for arrays designed to integrate with DeltaQ array loudspeakers. Offering low-frequency extension down to 29 Hz, this powerful sub sports an 18" neodymium driver with a max power handling of 750W RMS.
Model number
SMS118
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Description
Description
The is ShowMatch SMS118 a professional, high-performance 18-inch passive subwoofer module. It is engineered primarily to complement and mechanically integrate with ShowMatch DeltaQ line array clusters. Its enclosure width matches the full-range modules, enabling it to be cleanly flown at the top of a speaker hang, mixed within the array, or deployed as a heavy-duty ground stack.
🌟 Key Features
- Bose LF18 Neodymium Driver: Outfitted with a premium 18-inch, high-excursion transducer featuring a 4.5-inch voice coil for exceptional power handling and thermal efficiency.
- Cardioid Array Support: Equipped with integrated front-grill NL4 input connectors alongside the standard rear panel inputs. This configuration allows production crews to easily flip cabinets backward to create directionally controlled cardioid bass setups.
- Integrated 4-Point Rigging: Employs a quick-pin hardware assembly allowing overhead arrays of up to 18 subwoofers per hang while maintaining a secure 10:1 safety factor.
- Pole-Mount Versatility: Includes a pre-installed, integrated M20 threaded pole-mount adapter flange on the top surface to support satellite mid/high loudspeakers for small portable gigs.Â
- Tour-Ready Cabinet: Constructed from high-density, portable-rated Baltic birch plywood treated with a rugged, wear-resistant black polyurethane finish.
📌 Applications
- Flown Line Array Systems: Anchoring overhead low-frequency extensions for theaters, auditoriums, and worship centers.
- Large Ground-Stack Layouts: Used underneath stage lips or front fills in stadium arenas and open-air live music festivals.
- Touring & Rental AV Production: Easily packs into standard trucks and flies quickly using the modular ShowMatch rigging grid plates.
📊 Technical Specifications
The foundational performance parameters verified by the manufacturer include:
| Parameter | Specification Details |
|---|---|
| Frequency Response (±3 dB) | 32 Hz – 250 Hz |
| Frequency Range (−10 dB) | 29 Hz – 300 Hz |
| Power Handling (Continuous) | 750 Watts RMS |
| Power Handling (Peak) | 3000 Watts Peak |
| Nominal Impedance | 4 Ω (Note: Some legacy documentation lists 8 Ω variant compatibility) |
| Sensitivity (1W @ 1m) | 92 dB SPL (Free-field) | 94 dB SPL (Half-space) |
| Calculated Maximum SPL | 127 dB Peak (Free-field / Flown) | 133 dB Peak (Ground-stacked) |
| Crossover Recommendations | 60 Hz – 100 Hz active external DSP filter settings |
| Dimensions (H × W × D) | 21.3 × 30.1 × 30.5 inches (~540 × 765 × 775 mm) |
| Net Unit Weight | 136.5 lbs (62.0 kg) |
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