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.

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