NEXO STM S118 Sub-Bass Loudspeaker Module with 18 inch Long-Excursion Neodymium Driver

The NEXO STM S118 is a high-performance sub-bass loudspeaker module designed for professional sound reinforcement. Featuring an 18-inch long-excursion neodymium driver, it delivers powerful, deep bass with exceptional clarity and impact. Part of the modular STM series, this subwoofer integrates seamlessly with other STM enclosures for scalable, high-output systems.

Advantages

Compact and lightweight design with integral 3-point rigging for easy deployment. High sensitivity (109 dB SPL 1W/1m) and peak SPL of 143 dB ensure impressive output. Baltic birch plywood enclosure with durable black textured paint finish for long-lasting reliability.

Suitable for

• Live concerts and touring
• Fixed installations in clubs, theaters, and houses of worship
• Portable PA systems
• High-demand audio applications requiring extended low-frequency response

Key specifications

• Driver: 18" long-excursion neodymium
• Frequency response (±3dB): 29 Hz - 85 Hz
• Usable range (-6dB): 25 Hz - 100 Hz
• Nominal sensitivity: 109 dB SPL 1W/1m
• Peak SPL: 143 dB
• Nominal impedance: 4 Ohms
• Recommended amplification: 2000W - 5000W
• Connectors: 2 x NL4 Speakon
• Enclosure: Baltic birch plywood, black textured paint
• Grille: Steel with dark grey cloth
• Rigging: Integral 3-point system
• System type: Modular sub-bass loudspeaker
• Compatibility: NEXO STM series
• Dispersion: Omnidirectional

Recommendations

For optimal performance, pair the STM S118 with NEXO STM series full-range enclosures and appropriate amplification. Ensure proper rigging and safety precautions during installation.