The DSi453 from Boston Acoustics, sold individually, delivers high-performance sound, and it installs directly into your wall, so it doesn't take up an inch of floor space. It features a 1" tweeter for clear highs, plus dual 5-1/4" woofers for rich mids and lows. Pick up a pair if you want great stereo sound, or put together a complete "stealth" home theater speaker package. The DSi453's rectangular shape means you can position it vertically for front and surround speakers, or horizontally for use as a center channel speaker. And it's perfectly matched to all Boston Acoustics in-wall and in-ceiling speakers, so you can mix and match them to create the system that's ideal for your room and tastes.

Free installation help from Crutchfield
When you buy in-wall or in-ceiling speakers from Crutchfield, you'll also receive copies of our in-depth speaker and wire installation guides, free of charge:

Click the links above to view these guides; you'll need the Adobe Acrobat PDF reader (free download).

Priced each

Product Highlights:

  • sold individually
  • frequency response 65-20,000 Hz (±3dB)
  • 1" Kortec dome tweeter
  • dual 5-1/4" woofers
  • handles up to 125 watts
  • sensitivity 89 dB
  • 8-ohm impedance
  • paintable aluminum grilles
  • cutout: 14-1/4"W x 7-5/8"H
  • mounting depth: 3-1/4"
  • warranty: 5 years
  • Our 60-day money-back guarantee
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Hands-on research

What's in the box?

Download owner's manual

  • One 2-way in-wall speaker
  • White aluminum grille
  • Cardboard template
  • Plastic paint shield
  • Instruction Sheet (English/Spanish/French/German)
  • Boston Acoustics Brochure
  • Product registration card

Product Research


Woofers: The DSi453 uses dual DCD Copolymer  5-1/4" woofers.

Tweeters: The DSi453 is equipped with a 1" Kortec soft dome tweeter. Kortec is a silky fabric saturated on the underside with a proprietary stiffening agent. Because the inside surface of the dome is ultra stiff, the tweeter tracks the signal with ease and produces an excellent transient attack. Simultaneously, the soft, self-dampening top layer eliminates unwanted resonance, so the sound is smooth and articulate.

Inputs: Spring loaded posts will accept pin connectors, single banana plugs, or bare wire up to 12 gauge.

Paintable: Both the frame and grille can be painted to match the wall or ceiling. A paint shield is included to protect the speaker.

IR Sensor Knockout: The speaker has a knockout molded into the speaker baffle that will accommodate a standard 1/2" diameter infrared sensor. The IR sensor range and operating angle will be reduced by the grille and cloth. IR will work best in on-axis to the face of the speaker.

Moisture Resistant: The DSi453 is well suited for humid environments like the kitchen or bathroom.

Installation: After a 14-1/4" x 7-5/8" cutout is made (either vertically or horizontally), the speaker is installed in the hole and held in place by a rugged plastic screw-set bracket. The only tool required (after the hole is cut) is a #2 Phillips head screwdriver to tighten the bracket. The bracket can spread up to 2.633", so they should cover almost any application (most drywall is 1/2" thick). The required depth to install this speaker is 3.195".

New Construction Bracket: For new construction installations, the NCBTL5 bracket (item # 065NCBTL5) is required.

Note: There must be 1-1/2" clearance around the mounting hole on the long axis to accommodate the clamps.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.