Powered subwoofer • 250mm (10-inch) coated fiber-composite cone driver • 750-watt RMS / 1500-watt peak Class D amplifier • variable crossover and phase controls • rear-ported bass-reflex enclosure
Powered Subwoofer Design
Meet the B140
The Revel Performa4 B140 750 Watt Subwoofer 10” Powered Subwoofer is designed to provide the low-frequency foundation that completes a serious stereo or home theater system. Adapted from the source page you provided, it combines a high-excursion 250mm driver, a powerful built-in amplifier, and flexible tuning controls to deliver bass that is deep, controlled, and expressive across music and movies alike.
For systems that need greater weight, impact, and cinematic scale, this powered subwoofer is built to add serious low-frequency authority without sacrificing control.
Highlights & Benefits
High-output powered bass platform — a 750-watt RMS Class D amplifier with 1500-watt peak capability provides substantial headroom and dynamic authority.
10-inch coated fiber-composite driver — the 250mm cone is built for strong excursion, deeper bass reach, and more convincing impact throughout the room.
Flexible setup controls — variable crossover, level, phase, and auto power settings make integration with a wide range of speakers much easier.
Rear-ported bass-reflex tuning — the enclosure is designed to reinforce low-frequency output while maintaining a composed, room-filling presentation.
Clean premium appearance — the inverted surround, concealed trim ring, and magnetically attached grille help create a sleek, modern finish.
System-completing low end — the Revel Performa4 B140 750 Watt Subwoofer 10” Powered Subwoofer is ideal for listeners who want more depth, weight, and slam from a properly integrated bass system.
Technology & Design
High-excursion driver architecture — the 250mm coated fiber-composite cone driver is mounted in a cast aluminum frame, supporting rigid construction, cleaner movement, and more confident low-frequency performance.
Powerful Class D amplification — the onboard amplifier is designed to deliver substantial continuous and peak output, helping the subwoofer maintain authority during demanding music passages and larger cinematic moments.
User-adjustable integration — variable controls from 50Hz to 150Hz, plus phase and level adjustment, help the subwoofer blend more naturally with main speakers in a wider variety of rooms.
In a carefully matched system, the Revel Performa4 B140 750 Watt Subwoofer 10” Powered Subwoofer can add the missing sense of scale, impact, and atmospheric realism that transforms a system from good to complete.
FAQ — B140
What type of driver does it use?
It uses a 250mm (10-inch) coated fiber-composite cone driver in a cast aluminum frame.
How much amplifier power does it have?
It features a 750-watt RMS amplifier with up to 1500 watts of peak power.
What controls are included?
It includes auto power, crossover, level, and phase controls for easier system integration.
What kind of input does it use?
Inputs include RCA LFE / line level and a 3.5mm 12V trigger connection.
Who is this best for?
It is an excellent fit for listeners who want stronger bass extension, greater impact, and more complete low-frequency support in music or home theater systems.
Why Buy From Us
Expert guidance on subwoofer integration, crossover setup, and room matching
Help choosing the right bass solution for stereo, home theater, or mixed-use systems
Support from a specialty audio retailer focused on real-world system synergy and performance
Trusted advice for building a more powerful, more immersive low-frequency foundation
Related & System Matches
Bookshelf and floorstanding speakers that benefit from stronger low-frequency support
Integrated amplifiers, AV receivers, and processors with subwoofer outputs
Complete stereo and home theater systems where deeper extension and greater impact are a priority
