Boston Acoustics VSi-5835

in-wall 3-way speaker

  • Boston Acoustics VSi-5835

    Grille included, not pictured

  • Boston Acoustics VSi-5835


  • Boston Acoustics VSi-5835

  • Boston Acoustics VSi-5835

  • Boston Acoustics VSi-5835

    Speaker grille

Item# 065VSI5835
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Original price $999.99
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Our take on the Boston Acoustics VSi-5835

by Marshall Chase
Boston Acoustics

Full-range sound without the clutter
Boston Acoustics' decades of speaker design expertise is evident in their excellent VSi series of in-wall and in-ceiling speakers. This wide range 3-way speaker delivers smooth sound from top to bottom, at any volume level. Equipped with a 1" pivoting tweeter, 3-1/2" mid-range and an 8" woofer, the '5835 can handle serious power, and can even be bi-amplified. Whether you're a music lover or a movie buff, you'll be delighted by this speaker's clear, detailed sound. And when your system's not playing, you'll forget the speaker is even there.

Clean finish, easy set-up
Boston Acoustics VSi is installation friendly, with a paint-ready, low-clearance bezel to make the speaker virtually invisible. There's even a boundary compensation switch to adjust for proximity to room corners.

An in wall mounting bracket is recommended for installing this speaker in a new home under construction or in a room that's undergoing major renovation. (Brackets sold as a pair.)

Got wire?
Most speakers don't include any. Learn more about in-wall wiring at the Crutchfield Learning Center.
Shop our selection of in-wall speaker wire.


  • sold individually
  • frequency response 48-22,000 Hz (±3dB)
  • 1" dome tweeter
  • 3-1/2" midrange
  • high-efficiency Deep Channel® Design 8" woofer
  • handles up to 150 watts
  • dual input for bi-amp capability
  • sensitivity 89 dB
  • 8-ohm impedance
  • moisture resistant for bath and kitchen applications
  • paintable speaker grille
  • cutout: 19-7/16"H x 11"W
  • mounting depth: 3-3/4"
  • warranty: 5 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Enclosure Type
Video Shielded
Midrange Size
Woofer Size
Woofer Composition
Woofer Surround
Power Range (Watts)
90 dB
Impedance (Ohms)
Frequency Response
Connector Type
Spring Posts
Bi-Amp Inputs
Parts Warranty
5 Years
Labor Warranty
5 Years
Product Research
What's in the box?

Download owner's manual

  • 1 In-wall speaker
  • 1 White metal grille
  • Angled tweeter and midrange sub-baffle adapter
  • Plastic paint mask (speaker)
  • Wax paper paint shield (grille)
  • Cardboard template
  • Instruction booklet (English/ Spanish/ French/ German)
  • Product registration card
  • Disposal note

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 open the box, verify contents, 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.



Woofer: The Boston Acoustics VSi 5835 uses an 8" copolymer woofer with a die-cast aluminum basket. It also features a cast aluminum front baffle that adds rigidity and ensures precise alignment of the driver components.

Midrange: The 3-1/2" copolymer midrange (along with the tweeter) is mounted on the cast aluminum tweeter/midrange sub-baffle. When mounting the speaker horizontally the sub-baffle is rotated to maintain the proper tweeter/midrange alignment.

Tweeter: The VSi 5835 uses Boston's 1" VR aluminum dome tweeter. Compared to a soft dome, aluminum is equally light, yet more rigid. Compared to other hard dome materials, aluminum is better able to accurately track the input signal. There is a unique pivoting tweeter cup offering placement flexibility; the aluminum tweeter cup also acts as a heat sink.

Moisture Resistant: The VSi 5835 is well suited for humid environments like the kitchen or bathroom. Make sure they are positioned so that moisture cannot collect inside them. They are not designed for locations where they will be submerged.

Boundary Compensation: The boundary compensation circuit shapes the sound to counteract the effect of placement too close to an adjacent wall (or ceiling, floor, or corner). The switch should be turned on if the speaker is mounted closer than 18 inches from the junction of two surfaces or closer than 24 inches from a corner.

Inputs: Spring loaded posts will accept banana plugs (single or dual) or bare wire up to 12 gauge.

Bi-amp: The VSi 5835 has two sets of inputs and can be bi-wired or bi-amped; if using both inputs a jumper on the back of the speaker must be moved from the Normal to the Bi-amp position.


Placement: Because you can control the direction of the high frequencies with the pivoting tweeter, you can mount these in-wall speakers almost anywhere. There is also an angled adapter included, with which you can angle the entire tweeter/midrange baffle. For optimum results, place the speakers 6 to 10 feet apart so they form a triangle with the listening area. The speakers should be mounted at least 12" away from a tube-TV to avoid interference with the picture. The VSi 5835 can be mounted either vertically or horizontally (when mounting horizontally the tweeter/midrange baffle should be rotated 90° to maintain the proper alignment; also be aware that when mounted horizontally, the speaker is wider than the space between standard 16" wall studs).

Installation: After a 19-7/16" x 11" cutout is made (either vertically or horizontally) the speaker is installed into the opening and held in place with the integral plastic bracket. The required depth to install the speaker is 3-3/4" from the mounting surface (this includes the thickness of the drywall). Behind the mounting surface there must be a 1-1/2" clearance on both sides of the speaker (along the long sides). The mounting wall material must be at least 3/8" thick for the integral mounting bracket to work.

Magnetic Grille: The grille is magnetically mounted for easy installation.

Paintable: Both the frame and grille can be painted to match the wall. A plastic paint mask is included to protect the speaker from being painted as well.

IR Sensor Knockout: The speaker has a knockout molded into the speaker baffle that will accommodate a standard 1/2" diameter infrared (IR) sensor for an optional remote IR remote control system.

Optional Bracket: The NCBTL8 new-construction bracket (sold separately) can be used to simplify installation in new construction.

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