The RBH Sound SI-663/R Baffle Assembly represents the pinnacle of in-wall speaker design, offering reference-level performance for high-end custom installations. Part of RBH’s Signature Reference Series, this speaker features a triple 6.5-inch black-anodized phase plug woofer array paired with dual AMT tweeters for stunning clarity and detail across a wide frequency range.
The SI-663/R is engineered for versatility. In dual-channel mode, a pair of these speakers can replace the need for a dedicated center channel, providing discrete center-channel output from left and right positions. Alternatively, three SI-663/R speakers can create a seamless, timbre-matched front sound stage when used in single-channel mode. This flexibility makes the SI-663/R an ideal solution for home theater systems where traditional center-channel placement isn’t possible or desired.
Key Features
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Reference-Grade Components:
- (3) 6.5-inch aluminum cone woofers with solid aluminum phase plugs for exceptional bass performance.
- (2) AMT tweeters for extended high-frequency response up to 40kHz.
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Dual-Channel Flexibility:
- Eliminates the need for a separate center channel in dual-channel configurations.
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Wide Frequency Response:
- Covers 50Hz–40kHz for a rich, immersive audio experience.
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High-Quality Construction:
- High-density fiberboard (HDF) baffle assembly with a sleek black satin finish.
Specifications
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Series: Signature Reference Series | In-Wall Speaker.
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System Type: Sealed LCR Dual-Channel 2-Way Speaker.
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Frequency Response: 50Hz–40kHz (±3dB).
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Sensitivity:
- 91dB (Main).
- 89dB (Center).
- 93dB (Combined).
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Recommended Power:
- 75–225 Watts (Main).
- 75–175 Watts (Center).
- 75–450 Watts (Combined).
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Impedance:
- 8 Ohms (Main).
- 6 Ohms (Center).
- 4 Ohms (Combined).
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Crossover Frequency: 2,700 Hz.
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Crossover Slope: 12dB/Octave.
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Tweeter Protection: Yes.
Dimensions & Weight
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Baffle Assembly: 8” W x 32” H x 3-1/8” D (203 x 812 x 80mm).
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Finished Dimensions: 14” W x 56” H x 4” D (356 x 1422 x 102mm).
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Weight: 60 lbs (27.22 kg).
Compatible Components & Accessories (Sold Separately)
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In-Wall Cabinet: SI-663 In-Wall Cabinet.
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Grille Options: Black or White Fabric Grilles (SI-663 Grille).
Why Choose the RBH Sound SI-663/R?
The SI-663/R Baffle Assembly is built for discerning audiophiles and home theater enthusiasts who demand the highest level of audio fidelity. With its reference-grade components and versatile design, this speaker delivers an immersive audio experience tailored to your installation needs. Whether used in a custom surround sound system or as part of a reference-level front sound stage, the SI-663/R combines flexibility, performance, and elegance.
Warranty
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10-Year Warranty for enduring peace of mind.
Elevate your home theater experience with the RBH Sound SI-663/R Baffle Assembly – a benchmark in in-wall speaker performance.
