American company RBH Sound has introduced a real monster for equipping home cinemas of the highest level – a passive subwoofer RBH Sound 21-SF/R with a 21-inch bass driver and a 4-kilowatt external amplifier RBH DA-2602DSP. Such a gigantic emitter with a diffuser made of carbon fiber was made by Pierce Audio specifically for RBH Sound. Pierce Audio has been producing subwoofers and bass dynamic heads by hand on the Pacific Northwest coast since 2004.

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In the design of the subwoofer, RBH implemented its proprietary GADS (Granular Acoustic Damping System) technology, which improves the damping and rigidity of the dynamic head due to the configuration of the inert body.

For those seeking to elevate their audio experience, the RBH Sound 21-SF/R Subwoofer offers a remarkable blend of performance, technology, and design. Known for its deep, resonant bass, this subwoofer is an excellent addition to any home theater or music system, ensuring that you feel every note and sound effect.

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One of the standout features of the 21-SF/R is its sealed cabinet design, which contributes to tight, accurate bass response. This design minimizes distortion and enhances clarity, allowing for a clean and impactful sound that resonates throughout the room. The subwoofer is also built with high-quality materials, ensuring durability and longevity, making it a smart investment for any audio setup.

FAQs for RBH Sound 21-SF/R Subwoofer

Q1: What type of audio system is the RBH Sound 21-SF/R Subwoofer designed for?

• A: The RBH Sound 21-SF/R is designed for high-performance audio systems, making it ideal for home theaters and dedicated music-listening environments.

Q2: What is the power output of the RBH Sound 21-SF/R Subwoofer?

• A: The subwoofer delivers up to 800 watts RMS and 1600 watts peak power, providing robust and impactful bass performance.

Q3: How does the sealed enclosure design benefit the audio quality?

• A: The sealed enclosure minimizes distortion and enhances the clarity of the bass response, resulting in tight and accurate low-frequency sounds.

Q4: What is the frequency response range of the 21-SF/R?

• A: The RBH Sound 21-SF/R has a frequency response range of 20 Hz to 150 Hz, allowing it to reproduce deep bass notes effectively.

Q5: Can the 21-SF/R be integrated with other audio brands?

• A: Yes, the 21-SF/R features standard RCA and XLR input connections, allowing it to be easily integrated with various audio systems, regardless of the brand.

Q6: What dimensions and weight should I expect from the RBH Sound 21-SF/R?

• A: The subwoofer measures 28 inches in height, 22 inches in width, and 22 inches in depth, weighing approximately 130 lbs (59 kg).

Q7: Is the RBH Sound 21-SF/R easy to set up?

• A: Yes, the 21-SF/R is designed for straightforward installation with its various input options and adjustable crossover settings, making setup easy.

Q8: Does the subwoofer come with any additional features for room correction?

• A: Some versions of the RBH Sound 21-SF/R may include features for room equalization, which optimizes the bass response based on your room’s acoustics.

Q9: What finishes are available for the RBH Sound 21-SF/R Subwoofer?

• A: The subwoofer is available in multiple finishes, such as black oak and cherry, allowing you to choose a style that complements your decor.

Q10: What type of music or movies benefit most from using the RBH Sound 21-SF/R?

• A: The 21-SF/R is ideal for all types of music genres and movie soundtracks, especially those with deep bass elements, such as action films and electronic music.

Specification

• Type: Active Subwoofer
• Driver: 21-inch (533 mm) woofer
• Amplifier: Built-in Class D amplifier
• Power Output: Up to 800 watts RMS / 1600 watts peak
• Frequency Response: 20 Hz to 150 Hz
• Enclosure Type: Sealed design
• Crossover Frequency: Adjustable (typically around 30 Hz to 120 Hz)
• Input Connectors:
  • RCA (LFE and line level)
  • XLR (balanced inputs)
• Output Connectors:
  • RCA (line-level outputs for daisy chaining)
• Dimensions:
  • Height: 28 inches (711 mm)
  • Width: 22 inches (559 mm)
  • Depth: 22 inches (559 mm)
• Weight: Approximately 130 lbs (59 kg)
• Finish Options: Various finishes available (e.g., black oak, cherry, etc.)

Features:

• High Power Handling: Designed to handle high output without distortion, making it suitable for demanding audio applications.
• Room Equalization: Some versions may feature room correction technology for optimized performance based on room acoustics.
• Built for Durability: Constructed with high-quality materials for long-lasting performance and reliability.