RBH Sound SI-831/R9 2-way built-in speaker (9" deep cabinet) - Dreamedia AV
RBH Sound SI-831/R9 2-way built-in speaker (9" deep cabinet) - Dreamedia AV
RBH Sound SI-831/R9 2-way built-in speaker (9" deep cabinet) - Dreamedia AV
RBH Sound SI-831/R9 2-way built-in speaker (9" deep cabinet) - Dreamedia AV
RBH Sound SI-831/R9 2-way built-in speaker (9" deep cabinet) - Dreamedia AV
RBH Sound SI-831/R9 2-way built-in speaker (9" deep cabinet) - Dreamedia AV
RBH Sound SI-831/R9 2-way built-in speaker (9" deep cabinet) - Dreamedia AV
RBH Sound

RBH Sound SI-831/R9 2-way built-in speaker (9″ deep cabinet)

RBH Sound

Quantity

Price

$3,995.00

Quick answers from real humans

Expert help

877-417-9000 Hannah

Description

RBH Sound SI-831/R9 A reference-grade in-wall speaker with triple 8″ woofers and an AMT tweeter, delivering powerful bass, crystal-clear highs, and immersive sound for any high-end home theater.

Only Gear We’d Put in Our Own Setups

60-Day Hassle-Free Returns

Real support from real humans in the USA

RBH Sound SI-831/R9 2-way built-in speaker (9″ deep cabinet)

    $3,995.00

    Need Help Deciding?

    Authorized Dealer

    Product Features

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

    Description

    Reference-Level In-Wall Sound
    Transform your home theater with the RBH Sound SI-831/R9. Designed for audiophiles, this in-wall speaker delivers stunning clarity, depth, and impact—turning your room into a true concert hall or cinematic escape.

     

    Powerful, Balanced Performance
    With three 8″ aluminum woofers for rich, articulate bass and a 1″ AMT tweeter for crystal-clear highs, the SI-831/R9 brings every detail of your music and movies to life. Its wide frequency response and high sensitivity mean room-filling sound with precision and power.

     

    Sleek, Seamless Design
    Crafted with a robust HDF cabinet and finished in satin black or white, the SI-831/R9 blends beautifully into any space. Install it behind an acoustically transparent screen for an invisible, high-end look without compromising performance.

     

    Key Features

    • Triple 8″ aluminum woofers for deep, articulate bass
    • 1″ AMT tweeter for pristine highs and detail
    • Wide frequency response: 50Hz–35kHz
    • High 93dB sensitivity for room-filling sound
    • Sleek black or white satin finish, discreet in-wall design
    General Specifications
    ModelRBH Sound SI-831/R9
    Type2-way built-in speaker
    Cabinet Depth9 inches
    Frequency Response50Hz-35kHz (±3dB)
    Sensitivity93dB (2.83V @ 1 Meter)
    Recommended Power100-500 Watts
    Impedance4 Ohms
    Dimensions13-1/2
    (203mm) Reference Aluminum
    Tweeter(1) 4.72
    Crossover Specifications
    Crossover Frequency2200 Hz
    Crossover Slope24dB/Octave
    Design and Construction
    GrilleSold separately
    FinishBlack/White Satin Paint
    Cabinet MaterialHigh Density Fiberboard (HDF)
    Additional Features
    Grille Options831-SW/R Grille Black 831-SW/R Grille White
    Discreet DesignYes
    Award-winning PerformanceYes
    Custom IntegrationYes

    Reviews

    There are no reviews yet.

    Be the first to review “RBH Sound SI-831/R9 2-way built-in speaker (9″ deep cabinet)”

    Your email address will not be published. Required fields are marked *

    Watch It in Action

    See All
    Recommended Gear

    Complete Your Setup

    Curated products to complete your setup.

    SVS Soundpath Tri-Band Wirless Audio Adapter

    SVS Soundpath Tri-Band Wirless Audio Adapter

    $199.99

    InfoDiscontinued
    SVS Soundpath Tri-Band Receiver

    SVS Soundpath Tri-Band Receiver

    $99.99

    InfoAdd to Cart
    Marantz SR7015 AV Receiver

    Marantz SR7015 AV Receiver

    $1,899.00

    InfoDiscontinued
    Marantz SR6015 AV Receiver

    Marantz SR6015 AV Receiver

    $1,599.00

    InfoDiscontinued
    Marantz SR5015 AV Receiver

    Marantz SR5015 AV Receiver

    $999.00

    InfoDiscontinued
    Dreamedia Gold Theater Package

    Dreamedia Gold Theater Package

    $20,460.20

    InfoCall to Purchase

    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

    Book a Consultation

    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.

    "I’ve followed Dreamedia on YouTube for many years and have also had family members buy all their av gear through them. Well now it was my turn, and as expected,..."... click to read more
    Michael Brewington
    "Good, Honest, Professional, People. They are the sort of people you "Dream" of working..." ... click to read more
    ★★★★★
    Michael Brewington
    krishna Tirunagari
    "I got my home theater setup done by Dream Media. Zach is very experienced and..." ... click to read more
    ★★★★★
    krishna Tirunagari
    Shawn McKinnon
    "Awesome! The HDMI cables that came with the Terra Prime players (Kaleidescape Terra Prime Bundle),..." ... click to read more
    ★★★★★
    Shawn McKinnon
    Derek
    "Zach is very Knowledgeable in home theater. I asked a question in his email and..." ... click to read more
    ★★★★★
    Derek
    Scott Lemke
    "Great prices and outstanding customer service. What more could you ask for? If you have..." ... click to read more
    ★★★★★
    Scott Lemke
    Kevin Flynn
    "I’ve been an avid Projector user for 25 years. I’m on my 3rd JVC PROJECTOR..." ... click to read more
    ★★★★★
    Kevin Flynn
    RJ Anderson
    "No one better in the business!"
    ★★★★★
    RJ Anderson
    Tim Thompson
    "I first discovered Dreammedia on YouTube when I was researching media equipment and how to..." ... click to read more
    ★★★★★
    Tim Thompson
    Jose Rosado
    "Doing business with Dreamedia began with a few hiccups along the way due to shipping..." ... click to read more
    ★★★★★
    Jose Rosado
    Noah Batterson
    "Zack was generally helpful during the process. I can't go 5/5 though because it took..." ... click to read more
    ★★★★★
    Noah Batterson
    Swaminathan Venkatramanan
    "I recently ordered a jvc rs540 from Zach and they have been nothing but great...." ... click to read more
    ★★★★★
    Swaminathan Venkatramanan
    Rachel Nousiadis
    "The guys over at Dreamedia are extremely knowledgeable on all the newest technology for your..." ... click to read more
    ★★★★★
    Rachel Nousiadis
    Michael Brewington
    "Good, Honest, Professional, People. They are the sort of people you "Dream" of working..." ... click to read more
    ★★★★★
    Michael Brewington
    krishna Tirunagari
    "I got my home theater setup done by Dream Media. Zach is very experienced and..." ... click to read more
    ★★★★★
    krishna Tirunagari
    Shawn McKinnon
    "Awesome! The HDMI cables that came with the Terra Prime players (Kaleidescape Terra Prime Bundle),..." ... click to read more
    ★★★★★
    Shawn McKinnon
    Derek
    "Zach is very Knowledgeable in home theater. I asked a question in his email and..." ... click to read more
    ★★★★★
    Derek
    Scott Lemke
    "Great prices and outstanding customer service. What more could you ask for? If you have..." ... click to read more
    ★★★★★
    Scott Lemke
    Kevin Flynn
    "I’ve been an avid Projector user for 25 years. I’m on my 3rd JVC PROJECTOR..." ... click to read more
    ★★★★★
    Kevin Flynn
    RJ Anderson
    "No one better in the business!"
    ★★★★★
    RJ Anderson
    Tim Thompson
    "I first discovered Dreammedia on YouTube when I was researching media equipment and how to..." ... click to read more
    ★★★★★
    Tim Thompson
    Jose Rosado
    "Doing business with Dreamedia began with a few hiccups along the way due to shipping..." ... click to read more
    ★★★★★
    Jose Rosado
    Noah Batterson
    "Zack was generally helpful during the process. I can't go 5/5 though because it took..." ... click to read more
    ★★★★★
    Noah Batterson
    Swaminathan Venkatramanan
    "I recently ordered a jvc rs540 from Zach and they have been nothing but great...." ... click to read more
    ★★★★★
    Swaminathan Venkatramanan
    Rachel Nousiadis
    "The guys over at Dreamedia are extremely knowledgeable on all the newest technology for your..." ... click to read more
    ★★★★★
    Rachel Nousiadis
    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

    "These guys are the best at what they do , Zac is the man he..."

    Luis Guerrero
    ★★★★★

    Excellent Service

    "I’ve followed Dreamedia on YouTube for many years and have also had family members buy..."

    BJ Broderick
    ★★★★★

    Fast & Excellent

    "Quick response and shipping! Thanks!"

    BuckNuts45

    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.