RBH Sound

RBH Sound SI-12/9

RBH Sound

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$1,450.00

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Description

The RBH SI-12/9 delivers deep, powerful bass from your ceiling or floor—so you hear it, not see it. Clean look, massive impact.

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RBH Sound SI-12/9

$1,450.00

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Description

Big Bass. Zero Clutter.
Want deep, powerful bass without bulky boxes ruining your space? The SI-12/9 is your answer. This subwoofer hides in your ceiling or floor, filling your room with rich, cinematic bass—without a speaker in sight. It’s all the impact, none of the intrusion.

 

Seamless by Design
Designed to fit between standard joists and vent sound through a discreet HVAC-style grille, the SI-12/9 disappears into your home. Built with high-quality materials and backed by self-resetting protection, it’s made to perform—and made to last.

 

Tuned for Total Control
Pair it with RBH’s DA-1202 or DA-1802 amplifiers for room-optimized EQ and customizable output. Whether you’re diving into movie night or vibing to high-res audio, you’ll feel the bass exactly how it was meant to be felt.

 

Key Features

  • 12″ high-performance subwoofer
  •  Plays through a standard vent grille for invisible sound
  • Fits between standard ceiling/floor joists
  •  Optimized for RBH DA-1202 / DA-1802 amps
  •  Self-resetting overload protection
  •  Perfect for clean, architecturally integrated installs
General Specifications
Speaker TypePassive in-ceiling/floor subwoofer
Woofer Size12 inches
Power Handling (RMS)350 watts
Power Handling (Peak)700 watts
Frequency Response24Hz - 180Hz
Sensitivity88dB
Impedance4 ohms
Crossover Frequency40Hz - 180Hz variable
Cabinet Depth9 inches
Baffle Opening6 W x 12 H inches
FinishBlack satin
AmplificationRequires external amplification
System TypeSealed in-floor in-wall in-ceiling
Drive Units1 x 12 inch Aluminum Cone
Frequency Response with DA Series Amplifier22Hz-200Hz (±3dB)
Recommended Power100-600 Watts
Cabinet DetailsHigh Density Fiberboard (HDF) Black Paint
Finished Dimensions13-1/2 x 42 x 9 inches
Weight60 lbs
Warranty10-year limited
Features
InstallationDesigned for installation between ceiling or floor joists
Discreet DesignPlays into the room through an ordinary heating vent
ApplicationIdeal for home theaters listening rooms or any space requiring strong definitive bass
Protection CircuitrySelf-resetting protection circuitry to prevent damage if overdriven
Amplifier CompatibilityRBH DA-1202 or DA-1802 subwoofer amplifiers
ConstructionSturdy and durable construction for long-term performance and reliability
IntegrationCan be seamlessly integrated into various room layouts and designs
GrilleOptional/sold separately (SI-12/9 Grille)
Grille OptionsHeat Vent (in-floor) Cold-air Return (in-ceiling)

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Introduction

The RBH Sound SI-12/9 is a non-powered subwoofer designed to provide strong and definitive bass without being visible, making it ideal for spaces where aesthetics are important. It offers adjustable sound output through heating vents and incorporates self-resetting protection circuitry for added durability. With its excellent bass performance, high build quality, and hidden installation, the RBH Sound SI-12/9 is a promising option for home theaters, listening rooms, or any space requiring strong bass without visibility.

Design and Installation

The RBH Sound SI-12/9 features a non-powered design, which means it requires an external amplifier to function. This allows users to choose an amplifier that suits their specific needs and preferences. The subwoofer itself measures 12 inches, providing a good balance between bass response and physical size. Installation of the RBH Sound SI-12/9 is designed to be concealed between ceiling or floor joists, ensuring a discreet appearance. This in-ceiling/in-floor placement allows for a hidden installation, enhancing the aesthetics of the room. By utilizing ordinary heating vents, the sound output is directed into the room, providing a seamless integration with the existing environment.

Performance and Sound Quality

One of the standout features of the RBH Sound SI-12/9 is its ability to deliver deep, clean, and powerful bass. This is crucial for creating a cinematic and immersive experience in home theaters. Whether you're watching action-packed movies or listening to music, the RBH Sound SI-12/9 provides a solid foundation with its excellent bass performance. In addition to its impact, the RBH Sound SI-12/9 surprises with its musical performance. It offers excellent resolution and control, making it suitable for music playback as well as home theater use. This versatility allows users to enjoy a wide range of content, from explosive movie soundtracks to delicate musical pieces.

Build Quality and Durability

The RBH Sound SI-12/9 and its companion amplifier, the RBH DA-1802DSP, are constructed with high-quality materials. This ensures durability and solid performance over time. The subwoofer is designed to withstand the demands of extended use, delivering consistent and reliable bass performance. To further protect the subwoofer from damage, RBH Sound has incorporated self-resetting protection circuitry. This circuitry helps prevent damage from overdriving, ensuring the longevity of the subwoofer. This feature provides peace of mind for users who want to push the subwoofer to its limits without worrying about potential damage. However, it is worth noting that there have been occasional instances where the RBH Sound SI-12/9 seemed to be pushed beyond its limits. In these cases, adjustments were required to prevent distortion or overload. While this is a minor concern, it highlights the importance of fine-tuning the subwoofer's settings to ensure optimal performance.

Compatibility and Amplification

The RBH Sound SI-12/9 requires additional amplification in the form of RBH DA-1202 or DA-1802 subwoofer amplifiers. This means that users would need to purchase and connect one of these amplifiers to power the subwoofer. While this adds an extra step to the setup process, it also provides flexibility in choosing an amplifier that matches one's specific requirements and preferences. However, this requirement for additional amplification may be seen as a limitation by some users. It adds to the overall cost and complexity of the system, especially for those who don't already have a compatible amplifier. Additionally, the RBH DA-1202 and DA-1802 subwoofer amplifiers may have limited availability, further restricting accessibility for potential customers.

Availability and Accessibility

One aspect that potential buyers should be aware of is that RBH Sound products, including the SI-12/9, are sold exclusively through authorized dealers. While this ensures a certain level of quality control and support, it may limit accessibility for customers who don't have a local authorized dealer nearby. This exclusivity can be a drawback for those who prefer the convenience of purchasing online or from a wider range of retailers. Additionally, there is limited information available about other technical specifications or user reviews for the RBH Sound SI-12/9. This lack of comprehensive information may make it challenging for potential buyers to make fully informed decisions. However, RBH Sound's focus on working with authorized dealers allows for a more personalized approach, with dealers able to provide expert advice and design a system based on individual needs and room size.

Conclusion

In summary, the RBH Sound SI-12/9 offers strong and definitive bass without being visible, making it an excellent choice for spaces where aesthetics are important. Its adjustable sound output through heating vents and hidden installation further enhance the user experience, ensuring seamless integration with the existing environment. With its excellent bass performance, high build quality, and surprising musicality, the RBH Sound SI-12/9 is a versatile subwoofer suitable for both home theater use and music playback. However, the additional amplification requirement and limited availability of RBH Sound products may be seen as drawbacks for some potential buyers. It is also important to note that the RBH Sound SI-12/9 may occasionally be pushed beyond its limits, requiring adjustments to prevent distortion or overload. Despite these minor limitations, the RBH Sound SI-12/9 remains a compelling option for those seeking a discreet and powerful subwoofer solution for their home theater or listening room.
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Michael Kamm
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Bram Hechtkopf
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"We purchased 3 TVs, Sonos (9 different zones using connect amps, play:1, and boost), one..." ... click to read more
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Kevin Wisor
Luis Guerrero
"These guys are the best at what they do , Zac is the man he..." ... click to read more
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Bobby Cotten
"Sound system is the best ever and cut the cable cord. Lights, blinds, sound and..." ... click to read more
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Vadivel Raj Kothandaraman
"My one stop shop for Home theater products. Upgraded my surround speakers with Klipsch rp-502s -..." ... click to read more
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Vadivel Raj Kothandaraman
Tim Thompson
"I first discovered Dreammedia on YouTube when I was researching media equipment and how to..." ... click to read more
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Tim Thompson
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Alarick Wright
Chris Jancula
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Michael Kamm
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