Introducing the RBH Sound SI-821/R Complete In-Wall Speaker Set—a high-performance audio solution designed to deliver exceptional sound quality while seamlessly integrating into your living space.

Superior Audio Performance

Equipped with dual 8-inch black-anodized aluminum cone woofers and a large Air Motion Transformer (AMT) tweeter, the SI-821/R ensures precise and dynamic sound reproduction across a wide frequency range.

Compact Design with Powerful Output

Despite its compact footprint, the SI-821/R rivals larger models like the SI-831/R, making it ideal for those seeking powerful sound without occupying significant space.

In-Wall Installation for a Clean Aesthetic

The included in-wall cabinet, constructed from high-density fiberboard with a black satin finish, allows for flush installation, preserving your room's aesthetics while delivering high-fidelity audio.

Optional Grille for Customization

Enhance the speaker's appearance with an optional grille, available in black or white fabric, to match your interior décor seamlessly.

Elevate your audio experience with the RBH Sound SI-821/R Complete In-Wall Speaker Set—where superior sound meets elegant design.

Our Review

Coming Soon!.

Specifications

SERIES: Signature Reference Series | In-wall Speaker
SYSTEM TYPE: Sealed / all channel 2-way Speaker
DRIVE UNITS: (2) 8” (203mm) cast aluminum basket, black-anodized aluminum cone woofer
DRIVE UNITS: (1) 4.72” X 1” (120mm x 25mm) AMT Tweeter
FREQUENCY RESPONSE: 55Hz-35Hz ± 3dB
SENSITIVITY: 92dB (2.83 Volts @ 1 Meter)
RECOMMENDED POWER: 100-300 Watts
IMPEDANCE: 4 Ohms
TWEETER PROTECTION: Yes
CROSSOVER FREQUENCY: 2200 Hz
CROSSOVER SLOPE: 24dB/Octave
IN-WALL CABINET DETAILS: High Density Fiberboard (HDF)
IN-WALL CABINET DETAILS: Black Paint
IN-WALL CABINET DETAILS: 14” x 38” x 3-1/2”
IN-WALL CABINET DETAILS: (356 x 965 x 89mm)
BAFFLE ASSEMBLY DETAILS: High Density Fiberboard (HDF)
BAFFLE ASSEMBLY DETAILS: Black Satin Paint
BAFFLE ASSEMBLY DETAILS: 10” x 26-5/16” x 3-5/8"
BAFFLE ASSEMBLY DETAILS: (254 x 661 x 92mm)
BAFFLE ASSEMBLY DETAILS: 36.6 lbs (16.6 kg)
GRILLE DETAILS: Black or White Fabric
FINISHED DIMENSIONS: 14” x 38” x 4” (356 x 965 x 102mm)
WARRANTY: *10 year limited