Martin Audio SX218-W – 2x18" Passive Direct-Radiating Subwoofer (White)
Martin Audio SX218-W – 2x18" Passive Direct-Radiating Subwoofer (White) is backordered and will ship as soon as it is back in stock.
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Martin Audio SX218-W – 2x18" Passive Direct-Radiating Subwoofe...
Product Overview
The Martin Audio SX218-W is the white finish variant of the SX218, a dual-driver direct-radiating passive subwoofer delivering very high LF output levels with superb transient performance and minimal distortion for large permanent install applications. Two 18" (460mm) long-excursion drivers with 4" (100mm) voice coils and waterproof cones provide the headroom required for concert halls, theatres, stadiums, and houses of worship. The white finish supports colour-matched permanent installation in architecturally sensitive light-toned environments.
Product Description
The SX218-W delivers the same dual 18" direct-radiating passive subwoofer performance as the SX218 in a white finish for permanent install environments where architectural context requires colour-matched hardware. Two 18" (460mm) long-excursion drivers with 4" (100mm) voice coils, waterproof cones, and ferrite magnet structures provide very high output capability and low distortion across a broad LF operating range. Tour-grade plywood construction with integrated flying inserts supports the structural requirements of permanent rigged and ground-stacked installations. Updated driver specifications from January 2019 improve on the earlier SX218 iteration. The white finish is appropriate for system designers specifying dual-18" passive subwoofer performance in permanent install environments including concert halls, theatres, large houses of worship, and hotel ballrooms where white-finish hardware is architecturally required. The SX218-W pairs with Martin Audio WPS, WPC, and WPL line array systems for large-venue permanent installation LF reinforcement.
Key Features
- White Finish — Colour-matched integration for light-coloured permanent install environments.
- Dual 18" Long-Excursion Drivers — Two 460mm drivers with 4" voice coils deliver very high LF output with low distortion.
- Waterproof Cones — Extended deployment options to outdoor and semi-exposed environments.
- Ferrite Magnet Structure — High-efficiency magnetic assembly for sustained high-power LF operation.
- Tour-Grade Plywood Enclosure — Structural durability for permanent installation.
- Integrated Flying Inserts — Supports rigged overhead and ground-stack deployment.
Typical Applications
- Concert halls and theatres with white finish hardware requirements
- House of worship LF reinforcement in light-coloured architectural environments
- Hotel ballrooms and multi-purpose performance rooms with finish specifications
- Sports stadiums and arenas with white finish hardware requirements
- Auditoriums and all-hands rooms requiring high LF output
- Government and broadcast facilities with architectural finish specifications
Technical Specifications
| Type | Dual-driver direct-radiating passive subwoofer |
| Drivers | 2 x 18" (460mm) / 4" (100mm) voice coil, long excursion, ferrite magnet, waterproof cone |
| Enclosure | Tour-grade plywood |
| Flying Points | Integrated flying inserts |
| Finish Options | White (SX218-W) or Black (SX218) |
| Note | Updated driver specification since January 2019 |
Frequently Asked Questions
- What is the difference between the SX218 and SX218-W?
- The SX218-W is acoustically identical to the SX218. The only difference is the white finish for colour-matched permanent installation in light-coloured architectural environments.
- Is the SX218-W a passive or powered subwoofer?
- The SX218-W is a passive subwoofer requiring an external amplifier and DSP processor for crossover management.
- Can the SX218-W be flown?
- Yes. Integrated flying inserts support rigged overhead deployment in addition to ground-stacking.
- Where can I view the full Martin Audio SX range?
- Visit creationnetworks.net/collections/martin-audio for the complete SX Series lineup.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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