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OSD Black Series R81 In-ceiling speakers

Item # 452R81

These OSD speakers feature 8" woofers for punchy bass, and tweeters you can swivel toward your favorite listening spot

These OSD speakers feature 8" woofers for punchy bass, and tweeters you can swivel toward your favorite listening spot

Item # 452R81

Ships free today

In stock
$199.99 pair

Other options

About the OSD Black Series R81

Steve Kindig

Effortless sound from hidden speakers

In-ceiling speakers provide a stealthy way to enjoy great sound with your movies and music. Each R81 speaker features an 8" polypropylene woofer with a butyl rubber surround, to deliver enough bass impact even for larger rooms. There's also a center-mounted 1/2" silk soft-dome tweeter that produces smooth, clean highs. Its swivel design lets you aim it towards your listening spot so you won't miss any details.

Effortless sound from hidden speakers

In-ceiling speakers provide a stealthy way to enjoy great sound with your movies and music. Each R81 speaker features an 8" polypropylene woofer with a butyl rubber surround, to deliver enough bass impact even for larger rooms. There's also a center-mounted 1/2" silk soft-dome tweeter that produces smooth, clean highs. Its swivel design lets you aim it towards your listening spot so you won't miss any details.

Clean installation in your ceiling

OSD included some nice touches that make for an easier, better-looking installation. Each R81 speaker fits into a 9-5/16" cutout and attaches to your ceiling using four "dog-ear" style mounting brackets, so no construction brackets are needed. And the low-profile metal grilles are paintable, to match your ceiling's finish.

Got wire?

Most speakers don't include any. Learn more about in-wall wiring.
Shop our selection of in-wall speaker wire.

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Product highlights:

  • 2-way in-ceiling speaker (x2)
    • 1/2" aimable silk dome tweeter with integrated waveguide
    • 8" polypropylene woofer with butyl rubber surround
  • "dog-ear" style L-shaped mounting brackets for easier installation — no construction brackets needed
  • frequency response: 50-20,000 Hz
  • handles up to 120 watts RMS
  • sensitivity: 89 dB
  • impedance: 8 ohms
  • magnetic, paintable white metal grilles included
  • cutout diameter: 9-5/16"
  • frame diameter: 10-1/2"
  • mounting depth: 3-3/4"
  • warranty: limited lifetime
  • MFR # R81

What's in the box:

  • 2 In-ceiling loudspeakers
  • 2 Grilles
  • 2 Cutout Templates
  • Install Guide

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More details on the OSD Black Series R81

Stacey B.

Features & specs

Features
Quantity in Package Pair
Tweeter Soft-Dome
Aimable Tweeter Yes
Woofer Composition Polypropylene
Woofer Surround Rubber
Connector Type Spring clip
Bi-Amp Inputs No
Built-in Back-box No
Moisture Resistance
Indoor (Moisture-resistant) No
Outdoor (Partial Exposure) No
Outdoor (Full Exposure) No
Specs
Tweeter Size 0.5
Midrange Size N/A
Speaker Shape Round
Woofer Size 8
Cutout Width 9.3125
Cutout Height 9.3125
Mounting Depth 3.75
Power Range (Watts) up to 120
Sensitivity 89 dB
Impedance (Ohms) 8
Frequency Response 50-20KHz
Parts Warranty Limited Lifetime
Labor Warranty Limited Lifetime

Product Research

Features

2-Way Driver Design: The OSD Audio BK-R61 in-ceiling speaker employs a 2-way driver design featuring a 0.5" silk dome tweeter and an 8" polypropylene cone woofer for full-range sound from your distributed audio, 2ch music, or home theater setup.

  • 0.5" Silk Dome Tweeter: A 0.5" silk soft-dome tweeter with integrated waveguide delivers the higher frequencies of your music and movie soundtracks. You'll hear bright, clear, detailed highs. The tweeter is also adjustable, meaning it can be aimed toward the listening area. With this swivel tweeter adjustment, you can easily create a better "sweet spot" for your listening area. 
  • 8" Polypropylene Cone Woofer: An 8" polypropylene cone woofer with rubber surround produces the midrange and bass frequencies. Polypropylene is a popular speaker material due to the added stiffness and durability it offers over paper cones. Polypropylene cone woofers produce rich bass and detailed midrange for very balanced sound overall.

Spring Clip Terminals: The OSD Audio BK-R61 in-ceiling loudspeaker is outfitted with a set of spring clip terminals. The spring post terminals will accept bare wire (up to 12AWG) and pin-connectors.

  • For wire lengths of less than 50', use at least 16-gauge in-wall rated speaker wire (CL3/FT4).
  • For wire lengths between 50' and 100', use at least 14-gauge in-wall rated speaker wire CL3/FT4).
  • For wire lengths of greater than 100', use at least 12-gauge in-wall rated speaker wire (CL3/FT4).

Note: Your speaker wire must comply with all local building and safety codes for use in in-ceiling applications.

Mounting Options: The OSD Audio BK-R81 features a "dog leg" (L-shaped) mounting system that is part of the frame to secure the speaker in the ceiling. The speaker requires a round cutout that measures 9.3125." (diameter) x 3.75" (depth). Its outer frame measures 10.5" (diameter) x 0.25" (depth). The "dog leg" (L-shaped) mounting system accommodates a 0.25" to 1.25" thick ceiling. Make sure to leave at least 0.75" of open space (without obstruction) around the cutout above the ceiling, so the speaker's "dog leg" mount system will have room to engage fully.

Note: Be sure that there are no studs, lengths of conduit, pipes, heating ducts or air returns in the ceiling cavity that will interfere with the speaker.

Low-Profile Magnetic Grille: The low-profile magnetic grille is removable and can be painted to better match the color of your ceiling. The low-profile grille only protrudes 0.25" from the ceiling's surface.

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OSD Black Series R83

OSD Black Series R83

In-ceiling speakers
Low stock
$349.99 pair
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Get better drivers for more realistic sound

The OSD Black Series R83 offers these features:
  • 8" carbon fiber woofer
  • 1" ceramic-coated aluminum dome tweeter
  • frequency response: 28-20,000 Hz
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