RBH Sound

RBH Sound SI-661/R Complete Set

RBH Sound

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$1,700.00

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Description

RBH Sound SI-661/R
Part of RBH’s Signature Reference Series, the SI-661/R delivers high-fidelity in-wall performance with precision engineering and powerful, lifelike sound—perfect for elevating any home theater or music setup.

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RBH Sound SI-661/R Complete Set

$1,700.00

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Description

RBH Sound SI-661/R In-Wall Speaker
Looking for reference-quality sound without bulky floorstanders? The SI-661/R brings the Signature Reference experience straight into your walls, delivering immersive, high-fidelity audio that elevates music, movies, and gaming to a whole new level.

 

Precision Engineering, Stunning Clarity
With dual 6.5″ aluminum woofers and an advanced AMT tweeter, the SI-661/R produces powerful bass, crystal-clear highs, and a balanced soundstage. Built from high-density fiberboard with internal bracing, it minimizes resonance for pure, distortion-free performance.

 

Seamless Integration, Built to Last
Designed for easy in-wall installation, the SI-661/R blends effortlessly into any room with optional black or white grilles. Backed by a 10-year warranty, it’s as durable as it is dynamic—an investment in sound that lasts.

 

Key Features

  • 2 x 6.5″ aluminum cone woofers + AMT tweeter
  • Frequency response: 60Hz–40kHz (±3dB)
  • Sensitivity: 91dB | Power handling: 75–250W
  • 6-ohm impedance, sealed LCR design
  • High-density fiberboard cabinet for reduced resonance
  • Optional grille finishes (black or white)
  • 10-year limited warranty
General Specifications
Speaker TypeIn-Wall / LCR Speaker
SeriesSignature Series
System TypeSealed / LCR 2-way Speaker
Driver Complement
Woofer Size6-1/2 inches (165mm)
Woofer MaterialAluminum cone
Woofer BasketCast aluminum
Tweeter Size1 inch (25mm)
Tweeter MaterialSilk dome
Tweeter TypeFabric Dome
Performance
Frequency Response60Hz-20kHz (±3dB)
Sensitivity90dB (2.83V @ 1 Meter)
Recommended Power75-200 Watts
Impedance6 Ohms
Crossover Frequency2700 Hz
Crossover Slope24dB/Octave
Design
Design ConfigurationD'Appolito (woofer/tweeter/woofer)
Enclosure MaterialHigh Density Fiberboard (HDF)
Enclosure ColorBlack Paint
Enclosure TuningCustom-tuned to individual drivers
Tweeter ProtectionYes
Dimensions
In-Wall Cabinet Dimensions14 x 28 x 3-1/2 inches (356 x 711 x 89mm)
Baffle Assembly Dimensions8 x 20-1/4 x 3-1/8 inches (203 x 562 x 80mm)
Finished Dimensions14 x 28 x 4 inches (356 x 711 x 102mm)
Installation
Grille OptionsBlack or White Fabric
Grille AttachmentSecurely held in place
Additional Features
Weight27.5 lbs (12.47 kg)
Warranty10 year limited

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Archangels 4You
"Do not underestimate the value and service of DreamMedia. I know they're a small company, but..." ... click to read more
Archangels 4You
Omer Subhani
"They did a good job on my home theater. They could've been clearer on the..." ... click to read more
Omer Subhani
Michael Brewington
"Good, Honest, Professional, People. They are the sort of people you "Dream" of working..." ... click to read more
Michael Brewington
Arafat Hossain
"These guys were amazing in helping me get the best price for the projector i..." ... click to read more
Arafat Hossain
C dawg swizzle
"Bought a complete home system including a 75” QLED TV. Zach and his brother..." ... click to read more
C dawg swizzle
Michael Brewington
"Good, Honest, Professional, People. They are the sort of people you "Dream" of working..." ... click to read more
Michael Brewington
BJ Broderick
"I’ve followed Dreamedia on YouTube for many years and have also had family members buy..." ... click to read more
BJ Broderick
Michael Kamm
"I am very happy with the services that I received from Dreamedia. These guys..." ... click to read more
Michael Kamm
Kelsey Johnson
"Dreamedia is the most knowledgeable in the home theater business. Top notch service and expert..." ... click to read more
Kelsey Johnson
RJ Anderson
"No one better in the business!"
RJ Anderson
Michael B
"Great experience using these guys. Mounted my 75 inch tv and removed it a year..." ... click to read more
Michael B
Matthew Sherrick
"I couldn't be happier with Zach and everyone at Dreamedia! I became familiar with..." ... click to read more
Matthew Sherrick
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We have bundles that can be a one size fits most. However, we would prefer to schedule a consult to talk through your exact project. Determining what is best for your space, timeline and budget.

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Depending on location, there is a good chance one of our preferred partners can do the installation. We have over 20+ installers in our network across the country.