JBL AC115S 15-Inch Passive Subwoofer  High-Power Low-Frequency Speaker for Installed Sound Systems

Product Description

The JBL AC115S is a high-power 15-inch passive subwoofer designed to deliver extended low-frequency reinforcement in installed sound systems. Featuring a 385 mm (15") long-excursion woofer in a front-loaded, vented enclosure, it produces deep, impactful bass while maintaining clarity and efficiency.

As part of JBL’s AE (Application Engineered) Series, the AC115S offers reliable performance for a wide range of applications, including clubs, bars, performing arts venues, houses of worship, retail, hospitality, schools, and corporate AV. Its M10 threaded suspension points provide versatile mounting and installation flexibility.

Constructed from robust 18 mm multi-ply hardwood with a textured black finish, and protected by a perforated steel grille with acoustic foam backing, the AC115S combines durability with JBL’s legendary sound quality, making it a trusted solution for fixed installations that demand strong low-end performance.

Key Features

• 15” (385 mm) Long-Excursion Woofer – Powerful low-frequency response with extended bandwidth

• High Sensitivity, Low Compression – Efficient performance with reduced power loss

• Front-Loaded, Vented Design – Deep, punchy bass reinforcement

• Multiple Suspension Points – 12x M10 threaded attachment points for flexible installation

• Durable Enclosure – 18 mm multi-ply hardwood with textured black finish (white optional)

• Protective Grille – Powder-coated steel with acoustic foam backing

• Professional Applications – Ideal for live venues, worship spaces, education, retail, and hospitality

� Technical Specifications

• Frequency Range (-10 dB): 32 Hz – 250 Hz

• Frequency Response (±3 dB): 40 Hz – 250 Hz

• Sensitivity (1W @ 1m): 94 dB

• Nominal Impedance: 8 ohms

• Maximum SPL (1m): 120 dB continuous / 126 dB peak

• System Power Rating:

  • 500 W AES continuous (2000 W peak, 2 hrs)

  • 400 W / 800 W / 1600 W (Continuous / Program / Peak IEC rating)

• LF Driver: 1 x 15" woofer (P/N: 5055679) with 75 mm (3") voice coil

• Input Connectors: Dual Neutrik NL4MP connectors + barrier strip terminals

• Enclosure: 18 mm multi-ply hardwood plywood

• Grille: 1.5 mm powder-coated perforated steel with acoustic foam backing

• Finish: Textured black paint (White -WH available on request, not available with WRC/WRX finish)

• Suspension: 12 x M10 threaded suspension points

• Dimensions (H x W x D): 483 x 419 x 600 mm (19 x 16.5 x 23.6 in)

• Net Weight: 24 kg (52.9 lbs)

• Nominal LF Driver Impedance: 8 ohms