JBL Professional AC118S-WH - 18" High Power Passive Subwoofer for Fixed Installation (White)
The JBL Professional AC118S-WH is the white (-WH) version of the compact subwoofer in the AE Compact series. It features an 18" (459 mm) LF driver with a 75 mm voice coil in a front-firing bass-reflex configuration, providing true bass extension and high output for vocal and music reinforcement in professional installations. Its frequency response is 40–250 Hz (±3 dB) with a 32–250 Hz (−10 dB) range , a sensitivity of 95 dB (1 W/1 m) , a nominal impedance of 8 Ω , and a maximum SPL of 122 dB / 128 dB peak . The 18 mm multi-ply plywood enclosure integrates 12 M10 points for suspension/flying, and connectivity combines dual Neutrik® NL4 connectors with a covered screw terminal block for permanent wiring. Available in black or white (-WH) ; not manufactured in WRC/WRX finishes.
Main features
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High-performance LF transducer: 18" (P/N 5021800) with 75mm voice coil in front-vented enclosure for maximum excursion and low power compression.
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Verified acoustic performance: 32–250 Hz (−10 dB), 40–250 Hz (±3 dB), 95 dB (1 W/1 m), 122 dB max. / 128 dB peak .
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System power ratings: 450/900/1800 W (continuous/program/peak, IEC 100 h) and 600 W AES (2400 W peak, 2 h) .
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Professional construction: 18mm hardwood plywood; 1.5mm perforated steel grid with acoustic foam.
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Flexible installation: 12 × M10 for suspension; dual NL4 connectors + screw strip for fixed installation.
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Finishes: black or white textured paint (-WH) ; not available with WRC/WRX finishes.
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Dimensions and weight: 548 × 561 × 720 mm (H × W × D); 32.3 kg .
Product benefits
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Deep bass with a powerful punch: the front bass-reflex design and 18" driver ensure extension down to 32 Hz (−10 dB) and dynamic reserves for music and effects.
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Aesthetic integration in premium projects: the white finish (-WH) blends in with bright spaces and visible architecture.
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Ease of assembly: 12 M10 points distributed for flying/suspension and professional connectivity for secure wiring in permanent installations.
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System compatibility: designed to complement AE/AE Compact series speakers in theater, worship, hospitality, retail and education installations.
Use cases
- Theaters and auditoriums that require controlled subwoofer reinforcement.
- Places of worship, educational centers and corporate rooms with a white aesthetic requirement.
- Hospitality and retail sectors need background music with depth and definition.
- Multi-way installed systems next to AE Compact boxes (e.g. AC16/AC18/AC26).
Frequently Asked Questions
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What's the difference between the AC118S and AC118S-WH? They are identical in performance; the -WH variant offers a white finish for discreet visual integration.
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Is it offered in WRC/WRX weatherproof versions? No. The AC118S (black or white) is not available in WRC/WRX finishes.
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What amplification should you recommend? As a guide, a 900–1800 W stage at 8 Ω per channel provides adequate headroom for program/peak power.
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How is it installed? Using the 12 M10 threaded points and compatible suspension fittings; it has double NL4 and a cable management strip .
Compatibility and installation
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Suspension points: 12 × M10 distributed throughout the enclosure for safe and flexible flying.
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Connectivity: 2 × Neutrik® NL4 in parallel + covered screw terminal block for permanent installation.
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Enclosure: 18 mm multi-layered wood and 1.5 mm steel grid with acoustic foam.
Project description
AC118S-WH passive subwoofer with 18" (459 mm) LF driver, 75 mm voice coil , and front-firing bass-reflex enclosure. Frequency response: 40–250 Hz (±3 dB) , frequency range : 32–250 Hz (−10 dB) , sensitivity: 95 dB (1 W/1 m) , impedance: 8 Ω , maximum SPL: 122 dB / 128 dB peak . Power handling: 450/900/1800 W (IEC 100 h) and 600 W AES (2 h, 2400 W peak) . Connections: 2 × NL4 + terminal block . Suspension: 12 × M10 . Dimensions : 548 × 561 × 720 mm ; weight: 32.3 kg ; finish: white (-WH) ; not available in WRC/WRX.
