JBL 18-inch 1600W Professional Cinema Subwoofer with Earthquake Bass Performance and Amazing Cinematic Sound Experience, Model 4281F

JBL 1600W Professional Cinema Subwoofer for a Rocket-Powered Movie Theater Bass Experience, Model 4281F

• The JBL 4281F subwoofer from the JBL Cinema Series is the ideal choice for cinemas seeking deep, room-shaking bass without sacrificing clarity or quality. This subwoofer boasts... With a massive 1600 watts of power and a sound pressure level of 139 decibels, it delivers a realistic bass effect suitable for small and medium-sized movie theaters and Dolby Atmos and DTS:X systems.
• This subwoofer is designed to work in perfect harmony with the Cinema Series monitor and surround speakers to deliver a complete cinematic experience comparable to IMAX theaters and professional audio experiences.

Technical description:

• The JBL 4281F subwoofer features two connection modes: Parallel Mode and Discrete Mode via 4-Pin connectors, giving flexibility to control each driver individually or operate them together.
• With a shallow depth of just 14.97 inches, it can be easily mounted behind the monitor without taking up much space. It also features a robust design with integrated mounting points, making it suitable for wall mounting in Atmos and DTS:X systems.
• The subwoofer operates with a 4-ohm impedance, allowing it to be driven with high efficiency through Crown XLC amplifiers, with overhead connectors for easy extension and maintenance.

Technical specifications:

• Power: 1600 watts
• Sound pressure level: 139 dB
• Frequency response: from 30Hz to 500Hz
• Connection type: 4-Pin (separate or parallel mode)
• Resistance: 4 ohms
• Depth: 14.97 inches (355 mm)
• Design: A dedicated cinema box with overhead connectors and built-in mounting points.

Key features:

• A powerful, deep, seismic bass covering true cinematic frequencies of 30Hz
• Professional sound distribution suitable for halls equipped with Atmos and DTS:X systems.
• Flexibility in operation through separate or parallel connection modes
• Easy installation behind the screen thanks to its slim profile.
• Fully compatible with 3153/4253/8102 and Cpi2000 processors and Crown XLC amplifiers
• Internal protection circuits to ensure stability and long-term performance

Product summary:

• The JBL 4281F subwoofer delivers an authentic cinematic bass experience — powerful, clean, and immersive — making it the cornerstone of any cinema looking for the sensory impact of sound in scenes of explosions, chases, soundtracks, and massive Hollywood effects.

Additional features:

• It works in perfect harmony within the integrated JBL Cinema system.
• Ready for calibration via the CPi2000 processor for improved in-hall sound.
• Integrated mounting points for 3D installation in Atmos halls
• Top Binding Post connectors for easier behind-the-screen wiring

Applications used for the product:

• Commercial cinemas (up to 150 seats)
• Dolby Atmos and DTS:X Halls
• Professional performance theaters
• Deep bass and directional cinematic systems

Summary and final advice:

• If you're looking for a true professional-level cinematic subwoofer— not home theater level—that guarantees deep, room-shaking bass and adds prestige and impact to every scene, the JBL 4281F is the right investment for a long-term, professional, complete cinema system.