JBL Cinema 428F Professional High-Power Dual 18" 1600W Passive Cinema Subwoofer

JBL Cinema 4281F Professional High-Power Dual 18" 1600W Passive Cinema Subwoofer

Product Description

The JBL Cinema 4281F is a professional high-power passive cinema subwoofer engineered for small- to medium-sized movie theaters and immersive audio installations. Featuring dual 18-inch low-frequency transducers and 1,600 watts of continuous power handling, it delivers deep, impactful bass performance with exceptional output capability. Its shallow cabinet design allows convenient behind-screen installation, while integrated rigging points provide flexible mounting options for modern cinema environments. Designed as part of the JBL Cinema Series, the 4281F offers reliable performance, high efficiency, and seamless integration with professional cinema sound systems.

Key Features

• Dual 18-inch high-output low-frequency transducers
• 1,600W continuous power handling
• Maximum peak SPL of 139 dB
• Frequency response: 30 Hz – 500 Hz (-10 dB)
• Passive bass-reflex enclosure design
• 4-ohm impedance in parallel mode
• Dual 8-ohm operation in discrete mode
• Shallow 14-inch cabinet depth for space-saving behind-screen installation
• Integrated rigging points for suspended or wall-mounted applications
• Top-mounted connectors to maintain minimal installation depth
• Binding-post input connectors for secure and reliable wiring
• 4-pin connector configuration allows separate or parallel driver operation
• High sensitivity rating of 98 dB
• Rugged MDF enclosure with durable matte black vinyl finish
• Designed for Dolby Atmos®, DTS:X®, and other immersive cinema sound systems
• Compatible with JBL Cinema Series screen and surround speakers
• Ideal for 80–150 seat cinema theaters and professional entertainment venues

Specifications

• System Type: Passive Cinema Subwoofer
• Drivers: 2 × 18" Woofers
• Power Handling: 1,600W Continuous
• Frequency Range: 30 Hz – 500 Hz
• Sensitivity: 98 dB
• Maximum SPL: 139 dB Peak