Need an honest opinion? We're HERE
Schedule a Consultation
📞 1-877-417-9000 ✉️ hello@dreamediaav.com
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 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

Original price was: $3,995.00.Current price is: $0.00.

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)

    Original price was: $3,995.00.Current price is: $0.00.

    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

    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
    Lance Carlson
    "Dreamedia and Zach were a pleasure to work with. Zach took the time to..." ... click to read more
    ★★★★★
    Lance Carlson
    John Sagraves
    "Gave me a great price on Epson projector with free shipping and strong communication. Would..." ... click to read more
    ★★★★★
    John Sagraves
    Don Hensley
    "Just ordered 6 speakers from Dream Media. This will be the second time I..." ... click to read more
    ★★★★★
    Don Hensley
    Dee Gates
    "If you’re ever in the need for home media, this is the place. Every single..." ... click to read more
    ★★★★★
    Dee Gates
    Bram Hechtkopf
    "I bought an amp for my subs. The amp arrived quickly and the performance is..." ... click to read more
    ★★★★★
    Bram Hechtkopf
    Brian Zieroth
    "Dreamedia was truly awesome to work with! Kellen worked with me throughout the process..." ... click to read more
    ★★★★★
    Brian Zieroth
    Christopher Caldwell
    "Chris and Zach were both incredibly helpful in getting a price that I couldn't beat..." ... click to read more
    ★★★★★
    Christopher Caldwell
    Roy Tate
    "Phenomenal experience purchasing equipment from Dreamedia! Fast shipping, excellent prices and great customer service!"
    ★★★★★
    Roy Tate
    Robert Neumann
    "Ordered the Harmony Pro from Kellen Fleener and couldn’t be happier. Great communication from..." ... click to read more
    ★★★★★
    Robert Neumann
    C dawg swizzle
    "Bought a complete home system including a 75” QLED TV. Zach and his brother..." ... click to read more
    ★★★★★
    C dawg swizzle
    John Flores
    "Seen Zach on Youtube and loved his enthusiasm for home theater. For years my..." ... click to read more
    ★★★★★
    John Flores
    John Flores
    "Seen Zach on Youtube and loved his enthusiasm for home theater. For years my..." ... click to read more
    ★★★★★
    John Flores
    Lance Carlson
    "Dreamedia and Zach were a pleasure to work with. Zach took the time to..." ... click to read more
    ★★★★★
    Lance Carlson
    John Sagraves
    "Gave me a great price on Epson projector with free shipping and strong communication. Would..." ... click to read more
    ★★★★★
    John Sagraves
    Don Hensley
    "Just ordered 6 speakers from Dream Media. This will be the second time I..." ... click to read more
    ★★★★★
    Don Hensley
    Dee Gates
    "If you’re ever in the need for home media, this is the place. Every single..." ... click to read more
    ★★★★★
    Dee Gates
    Bram Hechtkopf
    "I bought an amp for my subs. The amp arrived quickly and the performance is..." ... click to read more
    ★★★★★
    Bram Hechtkopf
    Brian Zieroth
    "Dreamedia was truly awesome to work with! Kellen worked with me throughout the process..." ... click to read more
    ★★★★★
    Brian Zieroth
    Christopher Caldwell
    "Chris and Zach were both incredibly helpful in getting a price that I couldn't beat..." ... click to read more
    ★★★★★
    Christopher Caldwell
    Roy Tate
    "Phenomenal experience purchasing equipment from Dreamedia! Fast shipping, excellent prices and great customer service!"
    ★★★★★
    Roy Tate
    Robert Neumann
    "Ordered the Harmony Pro from Kellen Fleener and couldn’t be happier. Great communication from..." ... click to read more
    ★★★★★
    Robert Neumann
    C dawg swizzle
    "Bought a complete home system including a 75” QLED TV. Zach and his brother..." ... click to read more
    ★★★★★
    C dawg swizzle
    John Flores
    "Seen Zach on Youtube and loved his enthusiasm for home theater. For years my..." ... click to read more
    ★★★★★
    John Flores
    John Flores
    "Seen Zach on Youtube and loved his enthusiasm for home theater. For years my..." ... click to read more
    ★★★★★
    John Flores
    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

    ★★★★★

    Outstanding Installation

    "One of the best interactions I have ever had with a company. I reached..."

    Matthew Dubs
    ★★★★★

    Outstanding Experience

    "After viewing videos from Dreamedia on YouTube, I reached out to locate A Logitech remote..."

    Large Michael
    ★★★★★

    Fast & Excellent

    "Can't put into words how happy I am for choosing to buy from these guys...."

    Rhys Bartlett

    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.