Description
Full Description
The ΣJ218 from the ΣJ Series is a professional dual 18-inch passive subwoofer built to provide powerful low-frequency reinforcement for demanding audio applications. Equipped with two high-power 18-inch low-frequency transducers housed in a structurally robust enclosure, the ΣJ218 delivers outstanding bass response, high SPL output, and exceptional punch.
Designed using advanced computer-aided acoustic engineering, the cabinet optimizes frequency and phase response for accurate and impactful low-end performance. Whether used in performing arts venues, auditoriums, clubs, houses of worship, sports facilities, or entertainment venues, the ΣJ218 provides the deep bass foundation required for professional audio systems.
The durable enclosure features a powder-coated steel grille and polyurethane textured finish, ensuring long-term reliability in touring and installation environments. For extended full-range performance, the ΣJ218 can be paired with ΣJ212 or ΣJ215 Series loudspeakers.
Key Features
- Dual 18-inch high-power low-frequency transducers
- Extended low-frequency response with exceptional punch
- High SPL and sensitivity for powerful bass performance
- Optimized frequency and phase response
- Professional FOH subwoofer cabinet design
- Compatible with ΣJ212 and ΣJ215 Series loudspeakers
- Heavy-duty powder-coated steel grille
- Durable polyurethane textured finish
- Dual NL4 professional speaker connectors
- Mounting points for permanent installations
- Suitable for touring and fixed installation applications
- Rugged construction for long-term reliability
Specifications
| Specification | Details |
|---|---|
| Model | ΣJ218 |
| Speaker Type | Passive Dual 18″ Subwoofer |
| Construction | Medium-Density Fiberboard (MDF) |
| LF Drivers | 2 × 18″ High-Power Transducers |
| Frequency Response (-3dB) | 35Hz – 1.8kHz |
| Rated Power (RMS) | 1600W |
| Sensitivity (1W @ 1m) | 102dB |
| Maximum SPL | 134dB / 140dB Peak |
| Nominal Impedance | 4 Ohm |
| Connectors | 2 × NL4 |
| Dimensions (W × H × D) | 567 × 1075 × 786 mm |
| Net Weight | 85 kg |
| Gross Weight | 90 kg |
| Grille | Powder-Coated Steel Grille |
| Finish | Durable Polyurethane Textured Paint |
| Application | Live Sound, Auditoriums, Clubs, Houses of Worship, Entertainment Venues, Sports Facilities |
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