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Boston Acoustics HSi 470

2-Way 6-1/2" In-Ceiling

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$249.00 / ea

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  • In-ceiling Surround Sound Speakers



The HSi 470 in ceiling speaker combines sonic accuracy with remarkable value. Your favorite movies and music will play loud, long and distortion free, and you’ll give up nothing in the way of living space. Designed for stunning sound and ease of installation, HSi 470 in-ceiling loudspeaker expands the realm of quality sound to create an audio system that pleases even the most critical ears.

  • Pivoting 1-inch Boston designed Kortec tweeter
  • 6 1/2-inch Boston Deep Channel® woofer
  • Easy-install features for existing walls or ceilings
  • Paint-ready surface allows you to match your wall or ceiling finish
  • Reduced Bezel Design for seamless integration with the wall or ceiling
  • Magnetic grilles for easy installation
  • Optional new construction bracket NCBR6

Smart Features: 

Slim Bezel Design
Boston's unique Slim Bezel Design provides interior designers and consumers the look that blends with a room's destinctive design. Slim Bezel Design also offers an installer-friendly wide mounting flange to cover any imperfections in the cutout hole and magnetic grilles for easy finish work.

Boston Kortec® Tweeter
Boston's exclusive Kortec tweeter utilizes a silk-like dome backed by a stiff material to provide smooth high-frequency reproduction and stability at high volume levels. The tweeters also pivot to allow installers to aim the tweeter toward the prime listening position making speaker placement less restrictive
Rugged Pivoting Mounting Arms
All Boston custom speakers include pivoting mounting arms (or sometimes called "doglegs") that not only make installation a snap but also they are built to withstand the force imposed by even the most powerful screw guns.




Nominal Impedance
8 ohms
Crossover Frequency
Mounting Depth (from surface)
4 3⁄4" (121mm)
Bass Unit
6-1/2" (165mm) cast DCD copolymer
Recommended Amplifier Power
10-100 watts
Frequency Response (±3dB)
Sensitivity (1 watt (2.83v) at 1m)
1" (25mm) Kortec dome
External Dimensions
10-5/16" (262mm)
Mounting Hole Cutout
8-7/8" (225mm)


Color White
Dimensions (WxHxD) No
Dimensions (WxHxD, metric) No
Dimensions (notes) No
Weight (lbs) -
Unit of measurement ea
Power Handling (Nominal) -
Frequency Response +/-3dB 54Hz-20kHz (±3dB)
Sensitivity (1W/m) 89dB
Terminals No
Impedance 8 ohms
Tweeter No
Midrange Driver No
Woofer No
Crossover Frequencies -
Crossover Type -


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