Reference 643-I Complete Set

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

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.

(Click to enlarge)

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

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