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Boston Acoustics® CS 275 White In-Wall Speaker-CS275-0XX01

Model #: CS275-0XX01
Boston Acoustics
At a Glance

Boston Acoustics® Classic Series 6.5" In-Wall Speaker-White with retrofit bracket for easy installation and low-diffraction baffle

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Get to know this product.


  • 2-way 6-1/2" In-wall speaker
  • Retrofit bracket for easy installation
  • 6-1/2" Laminate film woofer
  • 3/4" Mylar tweeter
  • Low-diffraction baffle
  • Mounting Depth (from surface) 3" (75mm)
  • Mounting Hole Cutout: 10 x 7-3/8" (254 x 187mm)
  • Recommended Amplifier Power: 10-90 watts

Additional Specifications

Nominal Impedance8 ohms
Crossover Frequency4000Hz
Mounting Depth (from surface)3" (76mm)
Bass Unit6-1/2" (165mm)
Recommended Amplifier Power10-90 watts
Frequency Response (±3dB)65Hz-20kHz
Sensitivity (1 watt (2.83v) at 1m)90dB
Tweeter3/4" (20mm)
External Dimensions11-9/16 x 8-13/16" (294 x 224mm)
Mounting Hole Cutout10 x 7-3/8" (254 x 187mm)

Misc. Specs

Impedance8 ohms
Speaker TypeIn-Wall Speakers
Number of Speakers1
Frequency Response65Hz-20kHz
Sensitivity90 dB
WarningProposition 65 Warning for California Residents