RBH Sound Reference 621-I Complete Set - Dreamedia AV
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RBH Sound Reference 621-I Complete Set

RBH Sound

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$1,700.00

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Description

RBH Sound Reference 621-I

Part of RBH’s Signature Reference Series, the Reference 621-I 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 Reference 621-I Complete Set

$1,700.00

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Description

RBH Sound Reference 621-I In-Wall Speaker

Looking for reference-quality sound without bulky floorstanders? The Reference 621-I 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 Reference 621-I 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 Reference 621-I 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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"Seen Zach on Youtube and loved his enthusiasm for home theater. For years my AV equipment has been housed on an old TV stand looking real "jankey". Seen..."... click to read more
Ronald Palermo
"I purchased the sonos one enclosure to use in my bathroom ceiling, works great and..." ... click to read more
★★★★★
Ronald Palermo
Don Hensley
"Just ordered 6 speakers from Dream Media. This will be the second time I..." ... click to read more
★★★★★
Don Hensley
BJ Broderick
"I’ve followed Dreamedia on YouTube for many years and have also had family members buy..." ... click to read more
★★★★★
BJ Broderick
Ronald Costello
"Zach from Dreammedia was very prompt in communication and having product delivered. Great job!!"
★★★★★
Ronald Costello
Ben Byers
"I purchased my projector from Kellen at Dreamedia a few years ago, and I couldn’t..." ... click to read more
★★★★★
Ben Byers
Deepankar Biswas
"Zach and his brother did an awesome job. They were punctual and installation was..." ... click to read more
★★★★★
Deepankar Biswas
Michael Brewington
"Good, Honest, Professional, People. They are the sort of people you "Dream" of working..." ... click to read more
★★★★★
Michael Brewington
Michael Kamm
"I am very happy with the services that I received from Dreamedia. These guys..." ... click to read more
★★★★★
Michael Kamm
Rafael Serpas
"I called Zach trying to purchase a projector that was discontinued so he helped me..." ... click to read more
★★★★★
Rafael Serpas
BuckNuts45
"Quick response and shipping! Thanks!"
★★★★★
BuckNuts45
adp36
"I left a message for Zach requesting some information about projectors. he called me back..." ... click to read more
★★★★★
adp36
Kevin Wisor
"We purchased 3 TVs, Sonos (9 different zones using connect amps, play:1, and boost), one..." ... click to read more
★★★★★
Kevin Wisor
Ronald Palermo
"I purchased the sonos one enclosure to use in my bathroom ceiling, works great and..." ... click to read more
★★★★★
Ronald Palermo
Don Hensley
"Just ordered 6 speakers from Dream Media. This will be the second time I..." ... click to read more
★★★★★
Don Hensley
BJ Broderick
"I’ve followed Dreamedia on YouTube for many years and have also had family members buy..." ... click to read more
★★★★★
BJ Broderick
Ronald Costello
"Zach from Dreammedia was very prompt in communication and having product delivered. Great job!!"
★★★★★
Ronald Costello
Ben Byers
"I purchased my projector from Kellen at Dreamedia a few years ago, and I couldn’t..." ... click to read more
★★★★★
Ben Byers
Deepankar Biswas
"Zach and his brother did an awesome job. They were punctual and installation was..." ... click to read more
★★★★★
Deepankar Biswas
Michael Brewington
"Good, Honest, Professional, People. They are the sort of people you "Dream" of working..." ... click to read more
★★★★★
Michael Brewington
Michael Kamm
"I am very happy with the services that I received from Dreamedia. These guys..." ... click to read more
★★★★★
Michael Kamm
Rafael Serpas
"I called Zach trying to purchase a projector that was discontinued so he helped me..." ... click to read more
★★★★★
Rafael Serpas
BuckNuts45
"Quick response and shipping! Thanks!"
★★★★★
BuckNuts45
adp36
"I left a message for Zach requesting some information about projectors. he called me back..." ... click to read more
★★★★★
adp36
Kevin Wisor
"We purchased 3 TVs, Sonos (9 different zones using connect amps, play:1, and boost), one..." ... click to read more
★★★★★
Kevin Wisor
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How long are the lead times on orders?

Lead times generally take 3-5 days to ship and arrive. However, there are several items that may have unique ordering and freight conditions that vary.

Do you offer in-depth consultations?

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Do you offer bundles?

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.

Can you install my system?

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.