QSC RSB-212

QSC RSB-212

The QSC RSB-212 delivers deep, controlled bass through its dual 12-inch long-excursion drivers and high-efficiency design. Built for professional venues and demanding home theaters, it combines precision engineering with rugged reliability. Its bandpass enclosure ensures low distortion and maximum SPL, while QSC’s advanced DSP control guarantees consistent performance. Whether for live sound, installations, or premium cinema, the QSC RSB-212 provides powerful, articulate bass that fills any space.

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QSC RSB-212 – Dual 12-Inch Subwoofer for Deep, Accurate Bass

The QSC RSB-212 sets a new standard in professional low-frequency reproduction. Designed for performance venues, theaters, and immersive sound installations, this dual 12-inch subwoofer delivers powerful, controlled bass that enhances every listening experience.

Whether you’re powering a live concert system, a cinema array, or a studio setup, the QSC RSB-212 ensures exceptional accuracy, depth, and impact — even at high SPL levels.

Design & Build Quality of the QSC RSB-212

Engineered with precision, the QSC RSB-212 features a rugged and acoustically optimized birch plywood enclosure that resists vibration and minimizes unwanted resonance. The dual 12-inch long-throw transducers are mounted in a bandpass configuration, allowing the subwoofer to deliver maximum output with low distortion.

Moreover, the front-vented cabinet improves air circulation and enhances bass extension while maintaining compact dimensions. QSC’s signature build quality ensures long-term reliability, making it ideal for fixed installations and touring applications alike.

Power Output & Performance

Performance is the heart of the QSC RSB-212. Each of its 12-inch high-excursion woofers is engineered for precise low-frequency reproduction with extended linear movement. Together, they deliver tight, impactful bass with clarity and definition across the entire low-end spectrum.

The subwoofer handles up to 2,400 watts of continuous power, producing a maximum SPL exceeding 130 dB. With a frequency response of 38 Hz to 100 Hz, the RSB-212 ensures deep and accurate output suitable for music playback, cinema effects, and live events.

Additionally, its low thermal compression design maintains performance consistency even during long listening sessions at high output levels.

Advanced Technology & Features

  • Dual 12-inch Long-Excursion Drivers: Deliver deep, powerful bass with minimal distortion.

  • Bandpass Enclosure Design: Increases efficiency and SPL while keeping size manageable.

  • QSC Intrinsic Correction™ DSP Support: Optimizes system response and alignment when used with QSC amplifiers or processors.

  • High-Strength Grille and Cabinet: Protects internal components while enhancing durability.

  • Stackable and Flyable Design: Allows flexible configuration for live events or installations.

Together, these features make the QSC RSB-212 one of the most versatile and powerful dual-driver subwoofers in its class.

Connectivity & Integration Options

The QSC  offers flexible connectivity to suit professional setups. It includes speakON™ NL4 connectors, ensuring secure, lossless signal transmission.

When paired with QSC’s PLD, CXD, or GXD amplifiers, the subwoofer automatically benefits from DSP presets for optimized crossover, phase alignment, and protection. This intelligent integration ensures consistent, distortion-free bass across all listening conditions.

Furthermore, it integrates seamlessly with QSC’s Q-SYS ecosystem, allowing users to monitor, control, and tune performance remotely.

Ideal Use Cases for the QSC RSB-212

  • Live Concert Venues: Delivers powerful bass that complements full-range loudspeakers.

  • Home Theaters: Provides cinematic low-end depth and realism.

  • Houses of Worship: Enhances musical performances and spoken word clarity.

  • Clubs and Events: Offers tight, dynamic low frequencies for dance and electronic music.

  • Commercial Installations: Maintains reliable bass performance for auditoriums and conference spaces.

No matter the environment, the QSC RSB-212 ensures rich, distortion-free sound that fills the entire room.

Why Buy the QSC RSB-212

For decades, QSC has been a trusted name in professional sound reinforcement, known for innovation, reliability, and performance. The  exemplifies that legacy — offering studio-grade bass output in a road-ready design.

Built with premium materials and advanced acoustic engineering, this subwoofer combines high output, precision, and durability. It’s not just another bass box; it’s a powerful performance tool designed to deliver consistent results every time.

Visit Official QSC Website to learn more about QSC’s professional audio innovations and system integration technologies.

Pair the QSC RSB-212 with our QSC K12.2 Powered Speaker for an optimized full-range setup.
Explore our QSC Amplifier Collection for perfect system synerg

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