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Home / Product Category / SPEAKERS / Ceiling Speakers / Dolby Atmos® Ready Angled LCR Ceiling Speakers / ICE870 Angled LCR In-Ceiling Speaker with 8" Carbon Fiber Woofer, Dolby Atmos Ready (Single)

ICE870 Angled LCR In-Ceiling Speaker with 8" Carbon Fiber Woofer, Dolby Atmos Ready (Single)

Product code: ICE870

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Features & Specifications

When you need the very best drop ceiling speakers, these 8-Inch Angled Ceiling Speakers are a very smart choice. The ICE870 is designed for high-end audio systems and larger home theater rooms. Audiophile features include an 8-inch Carbon Fiber Woofer, 1-inch Aluminum Dome Pivoting Tweeter, and this high performance speaker can handle 150W of power. These drop ceiling speakers are designed to look as good as they sound and will complement various kinds of décor and room finishes, such as a wood floor, carpeted floor or stone floor.

Installing ceiling mount speakers in a suspended ceiling requires special wiring considerations, but it's a great option when the room setting is for some reason not ideal for a standard home theater sound installation. Read the information below for a detailed explanation of what makes these speakers so unique. We also include guidelines for installing in-ceiling speakers.

What Is An Angled In-ceiling Speaker?

The angled speaker is a real problem solver because not every room or space is the ideal setup for custom home theater sound applications. The angled in-ceiling speaker features a 15 degree angle for the mid bass driver plus a pivoting tweeter for placement flexibility. This speaker can be part of three piece set to handle the front stage of the surround system when both on-wall and in-wall are not a favorable option. The angled design allows the ideal placement in the ceiling closer to the wall just above the monitor. The angled design is by natural the best setup for Dolby Atmos firing down speaker setup. This creates a more realistic sound image when compared to normal in-ceiling speakers that are mounted closer to directly above the viewing area. Standard in-ceiling speakers are generally placed at least three feet from the wall to avoid reflective sound. The angle speaker can be placed within a foot of the wall

Do I Need Special Cable for In-ceiling speakers?
Wiring is not included with in-ceiling speakers so you will have to purchase some. While wiring requirements will depend on your local building codes, OSD Audio offers CL3/FT4 cable that is UL (fire) rated for all residential and most commercial in-wall and in-ceiling applications. (The exception is you cannot run this cable in heating or cooling ducts in commercial applications.) This cable includes a heavy-duty outer jacket approved for in-wall/in-ceiling installation. The high quality plastic jacket is also very flexible so it's easy to run the wires inside the wall.

Testing the Sound Quality of In-ceiling Speakers
Many customers like to test the sound quality of their new OSD Audio in-ceiling speakers before they install them. Keep in mind, however, that these flush-mount speakers are designed to be used in the wall or ceiling. Uninstalled in-wall/in-ceiling speakers will sound weak and tinny because without the proper enclosure (in this case your house wall) the speaker can’t produce the sound pressure level it needs. If you want to try them out, we recommend mounting the in-ceiling speakers into a box of about 3 cubic ft. or larger; or simply mount them in the ceiling and then listen. This will give you an accurate measure of the sound quality.

For a retrofit installation, no construction bracket is needed.



31 Questions & 32 Answers
from Pasco, WA asked:
February 1, 2020
I am looking for an angled speaker such as this but for wall installation.   It is for an odd garage application. Do you carry something or is there a way to make this model work?
1 Answer
Hi Jennifer:

The angled in-ceiling speakers will work for in-wall as well as long as you have enough depth behind the sheetrock. The 8.0" ICE870 and ACE870 (trim-less) both are just under 5 and 1/2 inches. If you have typical 2 x 4 studs, the depth is 3.5" which you add to the thickness of the sheetrock (1/2"). The 6.5" ACE670 is 4.5" in depth. So the depth of the cavity you have to work with would be your only limitation. You could add a 12" x 12" 3/4" D spacer board if you need the additional depth.

I would like to know more about your application;


Submitted by: Tim Leahy on February 3, 2020

Jim Bird
from Nh asked:
January 27, 2019
Can these be used in drop ceiling or are they too heavy?
1 Answer
Hi Jim: I do not think these are too heavy for your drop down ceiling, but you should reinforce the speaker in each tile. Typically it is better to remove the ceiling tile and cut out your hole (10"). There are four mounting posts (called dog ears) on the back of the speaker. Each dog ear has a 1/2" to 3/4" square landing point that engages with the Ceiling Tile. It is a good idea to add a piece of wood (3" x 2" x 1/4") under each dog ear to provide a more stable base. The soft porous Ceiling Tile itself needs the extra reinforcement. I will send you an image showing the concept. Note, you can use thinner pieces of wood. Good Luck TL/5388
Submitted by: Tim Leahy on February 6, 2019

Jerry Grence
from NM asked:
July 29, 2018
difference between ICE870 and ACE870?
1 Answer
Hi Jerry The biggest difference is in the design of the frame. The ICE870 has a standard frame design so it has a 3/4" border all the way around. This standard frame design has been around for more than 25 years or more. The new design featured on the ACE870 is what we call a Trim less design sometimes referred to as a bezel-less design. We introduced it based a couple years ago based upon the specs of the ICE-870. So it really comes down to the application where you are trying to match the other speakers used in your custom Home Theater or even your whole house audio. Both are excellent speakers. The ACE870 has a larger magnet, handles more power, also has a wider Frequency response with more bottom end, slightly more efficient and handlers 25 more watts RMS per channel. Typically I recommend using the 8" angled speaker for the Front stage LCR and the 6.5" version for the Surround or effects speaker (Dolby ATMOS or DTS:X). Hopefully, that helps with your decision process. TL/5135
Submitted by: Tim Leahy on August 1, 2018

from Florida asked:
March 28, 2018
Hi, I need a recommendation for which speakers to purchase for my 700sqft living room. I have a new build and it's pre-wired for 5.1 surround sound. I had OSD speakers in my previous home but, I had professional to purchase and install the speaker. All I can recall was that they were premium 8' OSD and this was 6 years ago but, that doesn't really tell me anything. I plan on installing the speakers myself this go around. Thanks in advance! NC
1 Answer
Hi NC: What speakers are you looking for for the front stage, In-wall Left/Center/right or In-ceiling. I am assuming you are looking for In-ceiling for surround. What receiver are you looking at, 7.2 or 5.1. Have you looked at Receiver with Dolby Atmos and DTS/X? What furniture do you have in the room? Have you checked out our Sub woofers? TL/4873
Submitted by: Tim Leahy on April 15, 2018

from michigan asked:
August 30, 2016
I'm trying to determine the difference between the MK870 and the ACE870. The only difference i see is the price and very small difference in sensitivity. Can you better explain where I would see an advantage between the two? I'm looking into doing a 7.1.4 system, turning existing garage into HT room and using these as my overheads. Approximate dimension of 24 x 18. This will be stripped down to the studs so I'm not hampered too much in placement, but I want the best placement/speaker for the room How about the MK850 as an option too.
1 Answer
Hi Kevin: The difference between the MK-870 and the ACE870 is mainly cosmetic. The MK870 features a standard frame/grill design and the ACE-870 features a new Trim-less (grill exposed only, no frame) design. Otherwise they are almost identical. The angled design was created as an LCR speaker to be used for a front stage Left/Center/Right speakers. Because of the angle you can mount the speakers closer to the wall that the TV will be mounted on. Standard speakers (non angled like the MK-850) should be mounted at least three feet away from an adjacent wall where as the angled speaker can be mounted within a foot and a half of the adjacent wall. This is a big advantage for the front stage but also very effective for surrounds and effects speakers as well. The key to any home theater layout is to have the Tweeter of each speaker pointed towards the Optimum Viewing/Listening area. When you are using tower speaker in conjunction with Bookshelf speakers on stands all on the same plan you have all tweeters on the same line. The same can be accomplish when using In-wall speakers where all tweeters are at he same level. That is the beauty of the In-ceiling angled speaker is that it allows you more flexibility in placement not only for the front stage but also Rear or Center surrounds or effects speakers like Dolby Atmos or DTS:X. Both the MK-870 and ACE-870 will work for you and maybe the new trim-less design is not important in your Man Cave. Good choices... TL/4040
Submitted by: Customer Service - Q&A on August 30, 2016

from Atlanta asked:
November 23, 2012
I am considering using these as in-ceiling rear surrounds in a 5.1 setup with bookshelf front and center channels. I'm curious if the angled housing provides any advantage over a straight housing with only a pivoting tweeter.
1 Answer
Hi Darren, The biggest advantage to angled in-ceiling speakers is the flexibility for finding the optimum placement for your surrounds. The ideal placement for any surround speaker is to have the tweeter pointing directly at the ideal viewing/listening/seating area. A standard in-wall needs to be mounted almost directly above and the tweeter is limited to a 15% pivoting angle. You also want to be at least three feet from the wall to avoid reflections. With angled in-ceiling speakers, you can mount the speaker further back and closer to a wall if needed, thus opening up your possibilities. TL/MA 1402
Submitted by: Customer Service - Q&A on November 23, 2012

Darrell H.
from Decatur, Illinois asked:
January 16, 2018
I need to install rear speakers in the ceiling. I am using the MKW-850 for my left & right surrounds. If I want to install 4 additional in-ceiling speakers for 11.2 Dolby Atmos set-up, where should I place them? Currently my main listening area is about 6 feet from the rear wall. How close should I install the rear in-ceiling surround speakers, & where should I install the 4 over-head Dolby Atmos speakers. Also, I would like your recommendation on right & left front speakers, & center channel. My room is 17 feet left to right by 19 feet 8" front to back. My main listening area is about 13 feet 6" from the television. What speakers do you recommend to complete what I am currently using in regards to the Dolby Atmos speakers also.
1 Answer
HI Darrel: I would like to get more information on your complete setup. Images of the room from a number of angles would be great. What speakers have you already purchased including Subs? What 11.2 Receiver are you planning on using. I have a number of speaker that will work for you. Please contact me at TL/4755
Submitted by: Customer Service - Q&A on January 18, 2018

from Norway, Stavanger asked:
June 21, 2016
Looking for the ICE850 or this MK870 for my living room. Does the MK870 comes with a grill plate like ICE850? It does not show on the pictures...
1 Answer
Hi Magnus: The MK870 does come with a grill (you are right there is none featured in the images). All our architectural speakers feature paint able frames and grills. We also have a new trim-less version the ACE870. Both ICE/MK and ACE series feature Kevlar Cones and Titanium Metal Dome Tweeters and Butyl Rubber Surrounds. They all feature 15 degree angled woofers with pivoting Tweeters (another 5 degrees) and contour switches for the Tweeters (+3/0/-3 dB). Ideal for LCR speakers, Surround/Effects Speakers or even whole house audio speakers providing more installation options. All great Choices... TL/3944
Submitted by: Customer Service - Q&A on June 21, 2016

from asked:
May 24, 2016
How is this MK870 different from the MK850 aside from being angled? The specs look very much the same.
1 Answer
Hi Joel: They are basically the same speaker with a different frame. The frame for the MK-870/670 angles the speaker 15% and the the pivoting tweeter adds another 5% or 20% total. The angled speaker's original application was for Custom Home Theater for front stage LCR; Left, Center and Right channels where floor standing, bookshelf, in-wall speakers were not an option. With the angle it would allow you to mount these closer to the wall where the TV would be mounted. We also found that with the angle it gave us more flexibility or mounting options for Surround and DOLBY ATMOS In-ceiling speakers as well. We recommend and sell these speakers for many applications especially with the new MK-870 and MK-670 Trim-less design. TL/3895
Submitted by: Customer Service - Q&A on May 25, 2016

from California asked:
April 5, 2015
What is the height of the speaker from the base to the top? In other words, will it fit in the space I have between in the space I've got in the ceiling? Thanks!
1 Answer
Hi Richard: Mounting depth 5 7/8 and should fit into a ceiling with joists of 6 or 8 inches in height. TL/3224
Submitted by: Customer Service - Q&A on April 13, 2015

from las vegas nv asked:
February 9, 2015
when are you going to get this speaker in stock?
1 Answer
The ICE870 is coming back as the MK870 and should be available sometime in March or April.
Submitted by: Customer Service - Q&A on February 11, 2015

from Ontario Canada asked:
November 12, 2014
Confused,,,,,,do you no longer carry this or is it out of stock ?
2 Answers
Hi Stephen, We will be receiving this model in again but it probably won't be available until sometime in December.
Submitted by: Customer Service - Q&A on November 26, 2014
Hi Stephen, We will be receiving this model in again but it probably won't be available until sometime in December.
Submitted by: Customer Service - Q&A on November 26, 2014

from Austin Tx asked:
July 18, 2014
how many watts do these speakers handle
1 Answer
Hi Iggy, They can handle 175w but we no longer carry this speaker.
Submitted by: Customer Service - Q&A on July 18, 2014

from Tampa, Florida asked:
April 25, 2014
Do you have a time frame on when these will be available? I need 3. Thanks
1 Answer
Hi Nick, This speaker has been discontinued, however we are bringing in a new speaker line and will have a thin bezel, 8" angled kevlar speaker similar to this. Hopefully we'll have these sometime later this year, but not anytime soon. For now, go with the MK670 if you need angled ceiling speakers. BM 2639
Submitted by: Customer Service - Q&A on April 25, 2014

from Maryland asked:
November 21, 2013
Do these speakers accept banana plugs? Thanks
1 Answer
Hi Steve, The speaker terminals on the back are bare wire terminals, meaning you do not need banana plugs, nor will it accept them. Very easy install. Let us know if you have further questions. Thanks! BM -2343
Submitted by: Customer Service - Q&A on November 26, 2013

from Washington, PA asked:
October 7, 2013
Framing in a sealed enclosure in my new ceiling... I have trusses constructed out of 2x6's spaced at 24"... This would give me by default two of my dimensions as 22.5" & 5.5". Was planning on giving the enclosure a length of 10.5" for a set of dimensions of 22.5" x 5.5" x 10.5" (all internal). This would give me an enclosure with approx. 0.75ft^3 internal volume...somewhere in the ideal range for an 8" woofer, (or so I've read). First question: any thoughts on this plan? Improvements? Also, the ICE870 angled speaker is spec-ed at a depth of 5-7/8" internal dimensions depth is only 5-1/2" + perhaps 5/8" drywall thickness. This gives me EXACTLY 5-7/8" of depth. Second question: can I assumed that at least SOME (perhaps 1/8-1/4") of the spec-ed depth is accounted for in the face/bezel which will be outside the enclosed space, thus giving me the wiggle-room I need inside? In short, am I safe with my proposed enclosure depth? Or do I need to make it deeper? (More work!)
1 Answer
Hi Kenny: Your math looks good for the 8" Regarding the angled in-ceiling speakers you might need to drop down to one of Kevlar 6.5" speakers with the mounting depth 5 inches or less. TS-2266
Submitted by: Customer Service - Q&A on October 18, 2013

from atlanta, GA asked:
October 3, 2013
Can any of the angle speakers be installed in a covered screen patio?
1 Answer
Hi Mike, They are not moisture-resistant speakers, so I would advise against it. How well covered is the patio? -BM 2256
Submitted by: Customer Service - Q&A on October 17, 2013

from Redwood City, CA asked:
July 7, 2013
Question1: For the ceiling angled speaker ICE870 the Owner's manual defines the unit as pair. is thesale price of $109.99 for one unit (a pair)? Question 2: Can I use identical speakers (ICE879) for all 5 ceiling speakers for a 5.1 arrangement? Appreciate quick response.
1 Answer
The ICE870 angled in-ceiling LCR speaker is sold as a single speaker, and not a pair. Yes, you can use 3 ICE870 up front and 2 ICE870 in back. For best results, angle the speakers directly at the primary listening area. You can get an additional 10 degree angle in the tweeter. -BM 2063
Submitted by: Customer Service - Q&A on July 12, 2013

from fort myers fl asked:
May 26, 2013
Will these work with a sony surround receiver?
1 Answer
HI Maurizio, Yes, the ICE870 ceiling speaker will work with any 8-ohm receiver. CL/MA 1933
Submitted by: Customer Service - Q&A on May 31, 2013

from Colleyville, tx asked:
May 26, 2013
I have a large room (20 x 26), with 22 foot ceilings. Will be putting the 5 speakers in the ceiling corners and front center. With ceilings this tall, do I need these angled speakers, or would the ICE850 work going straight down?
1 Answer
Hi Dave, The angled speakers are great for directing your sound right at your listening area. If your speaker placement is more than 2 feet away from directly above your couch, then use an angled speaker. If not, use a down-firing speaker like the ICE850. CL/MA 1932
Submitted by: Customer Service - Q&A on May 31, 2013

from Washington by way of Italy asked:
May 24, 2013
I have a new home pre-wired for 5.1. The front install locations look like they are about 2 ft from wall (only seen pics so far as house isn't complete). The rear look like they are about 4 ft from wall. I am seriously considering the ICE870 Angled for the fronts and Center and then the ICE640 for the rears. I currently have already purchased a Polk PSW505 sub and will either be purchasing a Denon 1613, Onkyo TX-NR515, or Yamaha HTR-4065. The room is 18.5 X 17 and I'm wondering how these would sound with either of the receivers.
1 Answer
Hi Bradley, By far the Kevlar series are our most popular. The lightweight Kevlar is the lightest, strongest material we offer so the driver moves with precision and ease. You will notice more details in your audio and they sound better than most speakers when pushed harder. Consider using Kevlar for your rears as well, the 8" ICE850 or 6.5" ICE650 CL/MA 1930
Submitted by: Customer Service - Q&A on May 31, 2013

from Houston area asked:
April 8, 2013
Setting up a 5.1 surround sound home theater system in my family room. Room is 22' X 20 and I want to use 5 of these speakers to cover center, and front and rear left/right channels for the system with an existing powered sub woofer. Ceilings are 10' in the room. Also want to have 3 additional zones/pairs of speakers and I have a SR-TX605 Onkyo receiver with A&B channels powered. Would like to power all the speakers and provide option for 2 sources of audio. Trying to get a handle on what additional hardware required? Volume controls, speaker selectors, amps, etc.
1 Answer
Hi Carl, To summarize, you have one receiver and need to power three additional zones. An excellent choice would be the AMP200 amplifier along with the DSM4 Dual Source 4 Zone Speaker Selector, plus three VMS300 volume controls. Consider even adding four volume controls as you might expand later and it's best to keep the volume controls in ratio to the speaker pairs. We also have audio wall plates that will give your whole house audio system a clean finish (the WP12 is tailored to a 5.1). Don't forget, we carry in-wall, CL-rated speaker cable as well. CL/MA 1780
Submitted by: Customer Service - Q&A on April 9, 2013

wesley workman
from Fresno ca. asked:
March 15, 2013
Hi, I have four of the ice870 angled kevlar lcr 8" ceiling speakers. I am getting ready to install them. My question is that there seems to be a thin piece of fabric on the inside of the speaker grill/cover. Does that need to be removed or left as is? If it is left in place what effect does it has to sound quality when painted? Thanks Wes
1 Answer
Hi Wesley, The cloth is purely for aesthetics and has no effect on sound quality. It’s there so you cannot see the speaker driver through the grille. Please remove it before you spray paint the grills. You can leave it off or put it back when the paint has dried. CL/MA 1704
Submitted by: Customer Service - Q&A on March 18, 2013

from LA CA asked:
December 14, 2012
Hi, I have an angled ceiling about 18 feet high. Can I use these ceiling speakers?
1 Answer
Hi Sam, You can go with angled ceiling speaker for your high ceilings. The tweeters pivot in all of the speakers in this series, but the ICE870's will give you an additional 15 degrees. The key is aiming them directly at your listening area. CL/MA 1466
Submitted by: Customer Service - Q&A on December 14, 2012

Ben's CPU
from chicago, IL asked:
October 31, 2012
i have an angled ceiling...what speakers would be best for this application? The room is not too large bt the ceiling presents a problem...any ideas???
1 Answer
Hi Ben, When in-ceiling speakers are used for background music (instead of critical listening or Surround Sound), we recommend an 8" speaker over 6.5" and two pair versus one pair. For the ultimate coverage, OSD offers in-ceiling speakers that feature Dual Voice Coils and Dual Tweeters. The rule of thumb is to mount the in-ceiling speaker at least three feet from the walls to avoid reflections; however, with angled ceilings like your application, you would mount the speakers closer to the wall. We recommend using dual voice coil speakers such as our ICE640TT as a stereo pair (utilizing the 8/16 ohm application switch set to 8 ohm while only connecting a single voice coil). If you have the room for two pair of DVC speakers, this would give you 8 tweeters and almost double your prime listening area. We also offer a step up speaker the MK690TT which features a Kevlar Cone and a trim-less grill design (check it out). We would recommend connecting the two pairs of speakers (if you have the room) as a right and left on one side and left and right on the other. If you send me the dimensions of the room a digital picture or two, I can clarify this further. My email is Thank you for considering OSD Audio. TL TL/MA 1352
Submitted by: Customer Service - Q&A on November 1, 2012

from chicago, il asked:
August 6, 2012
This speaker is out of stock until Aug. 31. How realistic is this? I am in need of 4 of these speakers. Any chance this speaker is availble anytime earlier? Can you please give me an accurate date?
1 Answer
Hi Nim: The latest word is the ICE870 are not scheduled to arrive until mid September. The next alternative is the MK670 LCR speaker which is currently scheduled to be here before the end of August. They share the same tweeter and also feature Kevlar cones. TL
Submitted by: Customer Service - Q&A on August 8, 2012

from oklahoma asked:
June 21, 2012
I have a 20' x 18' living room. Do you recommend I go with the 6 1/2 or 8"? I have 10' ceilings. And is there a box for the ceiling speakers so attic insulation does not interfere?
1 Answer
Hi Martin, You have a room that would be fine with 6.5" or 8" - I wouldn't say you need an 8" speaker but it wouldn't hurt, The BB8 back box will work with this speaker - Here is a link CL
Submitted by: Customer Service - Q&A on June 25, 2012

Nick C
from Spring Hill FL asked:
April 29, 2012
Do these accept 12G speaker wire?
1 Answer
Hi Nick: The push terminals will accept 12 Gauge. We do sell a 12/2 CL3 rated speaker wire as well. TL
Submitted by: Customer Service - Q&A on May 1, 2012

Nick C
from Spring Hill FL asked:
April 28, 2012
Looking to install a 7.1 system in a 17.5 X 12.5 room. Can I use 6 of these for my surround sound or do you recommend a different configuration? Also I live in single story house and my ceiling is open to the roof with only insulation between will I have a problem with sound loss? Was thinking of using Mineral wool to try and block sound any luck with that?
1 Answer
Nick, These should work perfect for you application the angle allows you to place the speakers closer to the wall above the Monitor for the left and right assuming you have a different speaker for the center channel (you can use a ICE870 for center channel as well, we sell them as each). They also work well for surrounds again allowing to be placed closer to the side walls. the center surrounds should be mounted to the left and right of your seating area and the rear surrounds placed four to five feet behind the seating area with the pivoting tweeter aimed at the seating location. The Mineral wool would help in the ceiling as long as it would not be shedding. CL
Submitted by: Customer Service - Q&A on April 30, 2012

from West Virginia asked:
March 18, 2012
I'm looking to install either 6.5" or 8" speakers in the celing tiles of a drop ceiling in my basement. Do I need to use a bracket or will the ceiling tile support the weight of the speaker?
1 Answer
Matt, The optional bracket would be great support for speaker in a drop ceiling. For the ICE870, we list the OSD-NCBC8-K. (Brackets are listed in the features and specs for each speaker) CL
Submitted by: Customer Service - Q&A on March 19, 2012

from Stockholm, Sweden asked:
November 22, 2011
Has anyone tried to paint over these to match the ceiling better?
1 Answer
Stefan: All of our in-ceiling and in-wall speakers are paintable. Included in the box is a cutout template that also doubles as a paint shield that can be placed under the grill while you paint both the frame and grill together. Spray painting is recommended. TL
Submitted by: Customer Service - Q&A on November 22, 2011

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