Sundown Audio M18D2 – 18" Dual 2-Ohm Subwoofer, 2000W RMS 4000W Max
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$699.99 USD
The Sundown Audio M18D2 is a competition-grade 18-inch subwoofer engineered for deep, powerful bass and long-lasting performance. Designed for high-output systems, it delivers exceptional sound quality and durability in demanding setups.
Features:
- Power Handling: High-performance subwoofer engineered to manage up to 2000 watts RMS and 4000 watts peak, delivering deep, impactful bass with authority.
- Construction: Built with a durable, etched black backplate that enhances both strength and visual appeal.
- Design Features: Equipped with a large 18-inch cone and MEGA ROLL surround to ensure wide excursion, accurate sound reproduction, and minimal distortion.
- Performance: Features an advanced motor assembly and precision-optimized voice coil for tight, responsive bass and consistent output under demanding conditions.
- Installation Options: Available in Dual 1 Ohm and Dual 2 Ohm voice coil configurations for flexible system integration.
Specifications:
| Specification | Details |
|---|---|
| Product Name | Sundown Audio M18D2 18″ Subwoofer (Dual 2 Ω) – M‑Series Mega Line |
| UPC | 810111135345 |
| Size | 18″ (457 mm) |
| Power Handling | 2000 W RMS / 4000 W Peak |
| Impedance | Dual 2 Ω (also available in Dual 1 Ω variant) |
| Sensitivity | 86.1 dB @ 1 W/1 m |
| Voice Coil Diameter | 3″ (76.2 mm), 4-layer aluminum round wire |
| Motor & Cooling | Quad-stack 200 mm magnet x 88 mm; mega roll surround; venting in pole/backplate for heat dissipation |
| Basket | Custom-tooled cast aluminum frame, mega-roll surround for high excursion |
| T/S Parameters (M18D2) | RE = 4.125 Ω, Fs = 25.75 Hz, Vas = 117.5 L, Qes = 0.74, Qms = 5.379, Qts = 0.65, Le = 3.55 mH, BL = 24 N/A, Mms = 639 g, Cms = 59.6 µM/N, Xmax = 35 mm |
| Dimensions | Mount depth: 14.05″; OD: 18.46″; Cut-out: 16.68″ |
| Recommended Enclosures | Ported: ~7 cu ft tuned to 32 Hz, port area 112 in²; sealed enclosures not recommended |
| Construction Highlights | Etched black backplate; mega-roll surround; quad magnet stack; aluminum frame; vented motor |
| Price | ~$699.99 MSRP (varies by retailer) |
| Country of Manufacture | USA |