RBH Sound Signature 643-I In-Wall Speaker for Large Theaters
RBH Sound

RBH Sound Signature 643-I Complete Set

RBH Sound

Quantity

Price

$2,795.00

Quick answers from real humans

Expert help

Description

RBH Sound Signature 643-I Complete Set

A seven-driver in-wall speaker for large home theaters, pairing four 6.5-inch aluminum woofers with three silk dome tweeters.

Only Gear We’d Put in Our Own Setups

60-Day Hassle-Free Returns

Real support from real humans in the USA

RBH Sound Signature 643-I Complete Set

$2,795.00

Authorized Dealer

Product Features

Free Shipping Nationwide
No Hassle 30 Days Return
Price Assurance
Dream Team
Preferred Installers

Description

An In-Wall Speaker for Your Large Room Home Theater

 

If you have a large home theater you want speakers that will perform in that space. Floor standing towers can be great but they take up too much room. The RBH Sound Signature 643-I Complete Set allows you to move that power to the walls of your home theater. This speaker was built by RBH to fit in your large home theater.

 

With four 6.5 inch aluminum woofers and three 1 inch silk dome tweeters it doesn’t rely on one woofer and one tweeter. Which means there are more drivers working in each speaker. Black and white grilles are available to match your wall color as well.

 

 

Driver and Cabinet Performance

 

You get a nice punch from the lows and mid-range with the four aluminum woofers. While the highs will sound clean from the three silk dome tweeters. This speaker goes down to 45hz so it can play some of the low end by itself.

 

The Sound Signature 643-I from RBH has a high density MDF cabinet which houses these drivers. Allowing the speaker to not rely on the air space behind your wall as much. It also has a sensitivity of 92db allowing it to reach higher volumes with less power from an amp.

 

 

Pairing With Other Components

 

Because this speaker is a 4 ohm impedance you will want to make sure your receiver or amp is rated for 4 ohms. It can also handle up to 500 watts of power so make sure your amp can deliver that if needed. Check out our receivers and amps here to find one that will work with your setup. You will want to use a subwoofer to get all the low end that most movies will produce.

 

When designing your room check out our Home Theater Design Tool to help you place your speakers. Or you can use our Build Your System to help find components that will work for your room. Either way the RBH Sound Signature 643-I is a great choice for your large home theater.

 

 

Key Features

 

 

In Wall Speaker with High Density MDF Cabinet

 

Four 6.5″ Aluminum Woofers & Three 1″ Silk Dome Tweeters

 

Frequency Response: 45hz – 20khz +/-3db

 

Sensitivity: 92db

 

Impedance: 4 Ohm

 

Can Handle Up To 500 Watts

 

Grilles Available In Black and White

General Specifications
Speaker TypeIn-wall
SeriesSignature Series
System TypeSealed / LCR 2-way Speaker
Audio Specifications
Frequency Response45Hz-20kHz (±3dB)
Sensitivity92dB (2.83V @ 1 Meter)
Impedance4 Ohms
Recommended Amplifier Power75-450 Watts
Crossover Frequency2500 Hz
Crossover Slope24 dB/Octave
Tweeter ProtectionYes
Driver Specifications
WooferFour 6-1/2 inch (165mm) aluminum cone woofers
TweeterThree 1 inch (25mm) fabric dome tweeters
Physical Specifications
Mounting Depth3.5 inches
Cutout Dimensions14.25 W x 26.5 H inches
Overall Dimensions (H x W)27.5 x 15.75 inches
Weight35 lbs each
FinishBlack or white
Cabinet and Baffle Specifications
In-Wall Cabinet MaterialHigh Density Fiberboard (HDF)
In-Wall Cabinet FinishBlack Paint
In-Wall Cabinet Dimensions14 x 56 x 3-1/2 inches (356 x 1422 x 89mm)
Baffle Assembly MaterialHigh Density Fiberboard (HDF)
Baffle Assembly FinishBlack Satin Paint
Baffle Assembly Dimensions8 x 44 x 3-1/8 inches (206 x 1118 x 80mm)
Grille Specifications
GrilleMagnetic paintable
Grille OptionsBlack or White Fabric
Additional Features
Wide Horizontal DispersionYes
Magnetic GrilleYes
Paintable GrilleYes
Warranty and Support
Warranty10 years limited

Reviews

There are no reviews yet.

Be the first to review “RBH Sound Signature 643-I Complete Set”

RBH Sound Signature 643-I In-Wall Speaker: A Comprehensive Review

The RBH Sound Signature 643-I is a high-end in-wall speaker that promises to deliver exceptional audio performance while seamlessly blending into your home theater setup. With its sleek and stylish design, upgraded woofers and tweeters, and a wide frequency response range, the Signature 643-I aims to provide an immersive and high-quality audio experience. In this comprehensive review, we will delve into the various aspects of this in-wall speaker, evaluating its design, installation process, sound performance, backbox design, pricing, and overall value. Let's dive in.

Design and Build Quality

One of the standout features of the RBH Sound Signature 643-I is its sleek and stylish design. The visible baffle and grill after installation add a touch of elegance to any room, making it a visually appealing addition to your home theater setup. The craftsmanship of the Signature 643-I is of high quality, ensuring durability and longevity.

Installation and Compatibility

Installing the RBH Sound Signature 643-I may pose some challenges due to its in-wall design. The complexity of installation will depend on the existing infrastructure of your home theater setup. While the Signature 643-I is compatible with most home theater systems, it is essential to ensure that it seamlessly integrates with your existing setup to avoid any compatibility issues.

Sound Performance

The RBH Sound Signature 643-I boasts impressive power handling capability, supporting up to 500 Watts of power. This allows for powerful sound reproduction, ensuring that your audio experience is immersive and dynamic. The wide frequency response range of 45Hz-20kHz ensures that you can enjoy a broad range of frequencies with accuracy and clarity. The upgraded woofers and tweeters further enhance the overall sound performance, delivering crisp highs and deep lows. However, it is important to note that the Signature 643-I has limited sound dispersion due to its in-wall design. This means that sound may not be evenly distributed throughout the room, potentially leading to some acoustic challenges. Additionally, the Signature 643-I has limited bass extension, which may not satisfy audiophiles seeking deep, rumbling bass. For those who crave a more pronounced low-end, a separate subwoofer is recommended.

Backbox Design

The RBH Sound Signature 643-I incorporates its own backbox, which can have a significant impact on sound performance. The backbox design helps in isolating the sound from the wall cavity, reducing unwanted resonances and improving overall audio quality. This feature sets the Signature 643-I apart from other in-wall speakers and ensures a more controlled and accurate sound reproduction.

Conclusion

The RBH Sound Signature 643-I is a high-quality in-wall speaker that offers powerful sound reproduction and a sleek design. While there are some limitations, such as limited sound dispersion and bass extension, the Signature 643-I excels in delivering clear and accurate audio. The incorporation of a backbox further enhances the audio quality, ensuring a controlled and immersive listening experience. However, the high retail price may deter some potential buyers, making it more suitable for those who prioritize premium audio performance and are willing to invest in a higher-end in-wall speaker. Overall, the RBH Sound Signature 643-I is a solid choice for those seeking a high-quality in-wall speaker that seamlessly integrates into their home theater setup.
Recommended Gear

Complete Your Setup

Curated products to complete your setup.

Customer Support Module

Free Shipping on Most Orders

60-Day Hassle-Free Returns

Expert Support via Text or Chat — Anytime

Pro Audio Gear Curated by Home Theater Specialists

Fast and Simple

30K+

Happy Customers

100% Expert-Curated Gear

We hand-pick every product based on real-world performance — no guesswork, no filler.

We design, build, and use home theaters ourselves.

We’re not just a store — we’re fans, builders, and listeners too.

"Great experience ordering a Stewart Firehawk G5 screen for my basement theater room from Dreamedia! Kellen helped me out on the order. He was very helpful in answering questions, making..."... click to read more
Ben Johnson
"I spent hours looking into my next projector purchase and came across Dreamedia on Youtube..." ... click to read more
★★★★★
Ben Johnson
Martin
"I ordered my end game movie playback device from Dreamedia during a promotion almost a..." ... click to read more
★★★★★
Martin
Rhys Bartlett
"Can't put into words how happy I am for choosing to buy from these guys...." ... click to read more
★★★★★
Rhys Bartlett
Shawn Goldstein
"I wanted to take a minute to share my excellent experience with Dreamedia Home Theater...." ... click to read more
★★★★★
Shawn Goldstein
Marlon Simon
"I'm in the process of building a home theater as a DIY project. I was..." ... click to read more
★★★★★
Marlon Simon
Scott Lemke
"Great prices and outstanding customer service. What more could you ask for? If you have..." ... click to read more
★★★★★
Scott Lemke
Corbin Jewell
"Dremedia is the way to go! Awesome customer service and a pleasure working with Kellen...."
★★★★★
Corbin Jewell
Mike H
"Answered and recommended Focal in wall speakers for my media room setup."
★★★★★
Mike H
Bretnea Harvey
"Kellen is trustworthy and I have no doubt this is the best stop for your..." ... click to read more
★★★★★
Bretnea Harvey
Rick Thompson
"I relocated from Ohio to Texas and was looking for that company that can put..." ... click to read more
★★★★★
Rick Thompson
Jose Rosado
"Doing business with Dreamedia began with a few hiccups along the way due to shipping..." ... click to read more
★★★★★
Jose Rosado
Peter Eichen
"Excellent experience with Zach! I ordered a projector and mount based on his recommendations...." ... click to read more
★★★★★
Peter Eichen
Ben Johnson
"I spent hours looking into my next projector purchase and came across Dreamedia on Youtube..." ... click to read more
★★★★★
Ben Johnson
Martin
"I ordered my end game movie playback device from Dreamedia during a promotion almost a..." ... click to read more
★★★★★
Martin
Rhys Bartlett
"Can't put into words how happy I am for choosing to buy from these guys...." ... click to read more
★★★★★
Rhys Bartlett
Shawn Goldstein
"I wanted to take a minute to share my excellent experience with Dreamedia Home Theater...." ... click to read more
★★★★★
Shawn Goldstein
Marlon Simon
"I'm in the process of building a home theater as a DIY project. I was..." ... click to read more
★★★★★
Marlon Simon
Scott Lemke
"Great prices and outstanding customer service. What more could you ask for? If you have..." ... click to read more
★★★★★
Scott Lemke
Corbin Jewell
"Dremedia is the way to go! Awesome customer service and a pleasure working with Kellen...."
★★★★★
Corbin Jewell
Mike H
"Answered and recommended Focal in wall speakers for my media room setup."
★★★★★
Mike H
Bretnea Harvey
"Kellen is trustworthy and I have no doubt this is the best stop for your..." ... click to read more
★★★★★
Bretnea Harvey
Rick Thompson
"I relocated from Ohio to Texas and was looking for that company that can put..." ... click to read more
★★★★★
Rick Thompson
Jose Rosado
"Doing business with Dreamedia began with a few hiccups along the way due to shipping..." ... click to read more
★★★★★
Jose Rosado
Peter Eichen
"Excellent experience with Zach! I ordered a projector and mount based on his recommendations...." ... click to read more
★★★★★
Peter Eichen
Why Choose Us?

Why Thousands Trust Dreamedia

Trusted by thousands for our service and expertise

Reviews

30M+ VIEWS ON YOUTUBE

Most of our customers discover us through our videos — and stay for the experience.

15+ YEARS OF INDUSTRY EXPERTISE

Helping families and businesses build the perfect home theater since day one.

NATIONWIDE INSTALLATIONS & PERSONAL SUPORT

From coast to coast — with real humans, not scripts.

4.9/5 CUSTOMER RATING

We’re proud of the trust we’ve earned. Just check the reviews.

Reviews

Reviews

Excellent

Reviews

★★★★★

Amazing Quality

"Amazing company! Amazing prices! They by far have the lowest price and they also have..."

R S
★★★★★

Excellent Work

"Dream media is the best. Great pricing! Excellent job responding to all my questions!"

Jason Pipkin
★★★★★

Highly Recommended

"I got my home theater setup done by Dream Media. Zach is very experienced and..."

krishna Tirunagari

FAQ

Have more questions?
Reach out any time

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?

Yes! You can schedule a free consultation under our Contact page.

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.