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8" dual-cone commercial in-ceiling speaker with volume control knob

Item # 978SD72WV

Its 8" woofer reproduces full-sounding bass, so you don't have to short-change the low end when playing music.

Its 8" woofer reproduces full-sounding bass, so you don't have to short-change the low end when playing music.

California customers:
Please click here for your Proposition 65 warning.

$40.99 each

About the AtlasIED SD72WV

Get a free system design

After we gather your information, we’ll send you a detailed system plan. It will include a link to a pre-filled shopping cart. Ordering is easy, and delivery is fast.

An in-ceiling speaker with individual volume control

If you need to fill several rooms or one big room with sound — and give employees individual volume control over each speaker — the Atlas SD72WV may be the perfect solution. Company-wide announcements can be heard loud and clear thanks to this speaker's 105° dispersion pattern, and its 8" woofer reproduces full-sounding bass, so you don't have to short-change the low end when playing music.

The SD72WV comes with a white powder-coated sound baffle with an integrated volume knob, so employees can turn down the volume during meetings, or crank up their own personal speaker during less formal occasions.

Product highlights:

  • 25-watt power handling
  • 8" treated paper woofer
  • dual-cone design
  • white powder coat baffle with center-mounted volume control knob included
  • frequency response: 55-19,000 Hz (±5dB)
  • 97 dB sensitivity
  • 105° distribution pattern
  • built-in 25/70V transformer with power taps: .25, .5, 1, 2, and 5 watts
  • 8-1/8" diameter x 2-7/8" depth
  • weight: 3 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # SD72WV

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Crutchfield response

<< >>

More details on the AtlasIED SD72WV

Russ B.

Features & specs

Drivers per speaker 1
Woofer Size (inches) N/A
Tweeter Size (inches) N/A
System Frequency response 55-19k
Maximum SPL ---
Power Handling
Power rating ---
Peak Power rating N
Width (inches) 12-3/4
Height (inches) ---
Depth (inches) 2-7/8
Weight ---

Product Research


Overview: The Atlas Sound SD72WV is an 8" in-ceiling speaker package with a 25V/70.7V 5-watt transformer and a 62-8 baffle. The package includes the SD72 8" dual-cone speaker. The SD72WV assembly can be used in commercial, industrial, retail, and transportation audio systems for public address and background music applications. It is compatible with numerous Atlas Sound mounting rings, tile bridges, and enclosures.

Driver: The SD72 dual-cone speaker has an 8" curvelinear treated-paper cone with a 10 ounce ceramic magnet. Its 1" diameter copper voice coil and black-anodized aluminum voice coil former provides excellent power dissipation.

Transformer: The speaker has a pre-mounted 25V/70V 5-watt transformer. It has primary taps of 0.25, 0.5, 1, 2, and 5 watts.

Baffle: The SD72WV assembly includes the Atlas Sound Model 62-8 round steel baffle with a textured white epoxy finish. It features concealed speaker mounting studs and screw-mount hardware. The baffle has standard mounting holes to accommodate the majority of Atlas Sound 8" tile bridges, mounting rings, and enclosures.

Volume Control: The baffle-mounted volume control is factory wired to the voice coil. It has a 5-watt audio rating, and allows you to locally adjust the volume of the speaker.

Required Parts: The Atlas 8" recessed round enclosure (978958, sold separately) and the Atlas 8" round hole t-bar bridge (978818R, sold separately) are required for commercial installation.


  • Speaker Frequency Response: 45Hz - 19kHz
  • Transformer Frequency Response: 100Hz - 10kHz (±1.5dB)
  • Sensitivity: 97dB (1W/1M)
  • Dispersion: 105°
  • Dimensions: Overall Diameter=12.75" Speaker Diameter=8" Depth=2.875"

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Customer Q&A

3 questions already asked

does this come with the ceiling mount kit?
[ Ismael  Dec 19, 2018 ]
2 answers
Not really; though, I suppose you could just use the screws and a nut/washer to hold the speaker in the ceiling but I wouldn't trust it to hold tightly. For installation in a drop ceiling, I ordered metal backing plates (ATLAS 8" Round Hole T-Bar Bridge). These were under $10 each and made each speaker install very sturdy -- would definitely recommend these.
[ Trevor  Dec 27, 2018 ]
no it doesn't. I just got them and they didn't have any type of mounts in the box. All that came with it was 4 bolts with nuts
[ Peter  Dec 27, 2018 ]
Is it waterproof for exterior use?
[ Linda  Nov 07, 2017 ]
1 answer
I would not use this product for an exterior project.
[ GREG  Nov 07, 2017 ]
What is the cut out size for Atlas SD72WV speaker?
[ Jon  Jul 10, 2017 ]
1 answer
The cutout size is not provided in the specs. However, it is noted that the Atlas 8" recessed round enclosure (item # 978958--sold separately) and the Atlas 8" round hole t-bar bridge (item # 978818R--sold separately) are required for commercial installation. For more details or to discuss further, please feel free to contact our Commercial Audio Advisors directly by phone (800.315.2758); or you can submit a system design request (free of charge) on our website:
[ Larry  Jul 17, 2017 ]  Staff

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