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Reference 643-I Complete Set

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Reference 2-way Complete Set for Reference 643-I in-wall speaker
• black satin finish
• quad 6.5"" black-anodized aluminum woofers; triple AMT tweeters
• In-wall cabinet included
• Grille optional

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Terms and Conditions

The reference version of the Signature 643-I, the Reference 643-I delivers performance beyond description. The four reference-grade woofers and three AMT tweeters come together to deliver superior power handling, clarity, and performance like no other in-wall speaker can.

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Reference 643-I
SERIES
Reference Series | In-Wall Speaker
SYSTEM TYPE
Sealed / LCR 2-way Speaker
DRIVE UNITS
(4) 6-1/2" (165mm) cast aluminum basket, aluminum cone woofer (sliver or black-anodized), with solid aluminum phase plug
(3) 1.38" X 1" (35mm x 25mm) AMT tweeter
FREQUENCY RESPONSE
45Hz-40kHz (±3dB)
SENSITIVITY
93dB (2.83V @ 1 Meter)
RECOMMENDED POWER
75-450 Watts
IMPEDANCE
4 Ohms
TWEETER PROTECTION
Yes
CROSSOVER FREQUENCY
2,500 Hz
CROSSOVER SLOPE
24 dB/Octave
IN-WALL CABINET DETAILS
High Density Fiberboard (HDF)
Black Paint
14” x 56” x 3-1/2”
(356 x 1422 x 89mm)
BAFFLE ASSEMBLY DETAILS
High Density Fiberboard (HDF)
Black Satin Paint
8” x 44” x 3-1/8"
(206 x 1118 x 80mm)
GRILLE DETAILS
Black or White Fabric
FINISHED DIMENSIONS
14” W x 56” H x 4” D
(356 x 1423 x 102 mm)
WEIGHT (total)
64 lbs (29.02 kg)
WARRANTY
*10 year limited
COMPONENTS
IN-WALL CABINET
643-I In-wall Cabinet
BAFFLE ASSEMBLY
643-I Baffle Assembly
GRILLE OPTIONS
643-I Grille Black (fabric)
643-I Grille White (fabric)
RETROFIT OPTIONS
N/A
N/A

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BUILT IN THE USA

Engineering.  Design.  Performance.

For over 50 years, RBH Sound has designed and built loudspeakers in the USA with a singular focus - accurate sound reproduction, reliability, and timeless performance.  Every product is engineered with premium components and crafted with pride to deliver a listening experience that exceeds expectations.