Description
The JBL 4281F Cinema Subwoofer is a high-performance cinema low-frequency system designed to deliver powerful, immersive bass for modern movie theaters. Part of the JBL Cinema Series, the 4281F combines exceptional output, deep low-frequency extension, and installation flexibility in a compact enclosure that maximizes valuable space behind cinema screens.
Powered by dual transducers and capable of handling up to 1,600W AES power, the 4281F produces a massive 139 dB peak SPL, making it ideal for demanding cinema environments, including Dolby Atmos® and DTS:X® installations. Its shallow cabinet design, integrated rigging points, and flexible wiring options allow seamless integration into a wide range of cinema sound systems. When paired with JBL Cinema Series screen speakers, JBL cinema processors, and Crown amplifiers, the 4281F becomes part of a complete, high-performance cinema audio solution.
Key Features
- High-performance cinema subwoofer
- Designed for Dolby Atmos® and DTS:X® installations
- Dual low-frequency transducer design
- 1,600W AES power handling
- Maximum peak SPL of 139 dB
- Frequency response of 35 Hz – 100 Hz (±3 dB)
- Extended frequency range of 30 Hz – 500 Hz (-10 dB)
- Space-saving shallow cabinet design
- Cabinet depth of only 14.97 inches (355 mm)
- Top-mounted connectors preserve minimum installation depth
- Built-in rigging points for wall mounting and immersive audio systems
- 4-pin connectors support discrete or parallel operation modes
- Binding-post input connectors for easy installation
- Compatible footprint with JBL 3153, 4253, and C200 Cinema Series speakers
- Optimized for use with Crown XLC Series amplifiers
- High sensitivity of 98 dB
- Rugged cinema-grade enclosure construction
Technical Specifications
- Model: JBL 4281F
- Speaker Type: Cinema Subwoofer
- System Configuration: Dual Low-Frequency Transducers
- Power Handling (AES): 1,600W
- Frequency Response (±3 dB): 35 Hz – 100 Hz
- Frequency Range (-10 dB): 30 Hz – 500 Hz
- Sensitivity: 98 dB
- Maximum SPL (1 m): 139 dB
- Nominal Impedance: 2 × 8 Ohms
- Connection Type: Binding Post and 4-Pin Connectors
- Operating Modes: Discrete Mode / Parallel Mode
- Cabinet Depth: 14.97 in (355 mm)
- Rigging Points: Integrated Wall-Mounting Points
- Amplifier Compatibility: Crown XLC Series
- Application: Cinema Low-Frequency Effects (LFE)
- Installation Types: Behind-Screen, Wall-Mounted, Immersive Audio Systems
- Net Weight: 175 lbs (79 kg)
