Monolith by Monoprice THX-465IW THX Certified Ultra 3-Way In-Wall Speaker
Product # 42829
UPC # 889028170229
$699.99
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Browse 43 questions
Browse 43 questions
and 32 answers
Can this speaker be used horizontally for the center and vertically for the L and R?
A shopper
on Apr 2, 2023
BEST ANSWER: I suppose you could install this speaker Horizontally as a center. Keep in mind that this would require extensive effort. This speaker when placed horizontally is almost 3 feet across. This would require cutting studs and then building a header to carry the load of the wall. Something that would be difficult in a load barring wall. I have this vertically installed between studs behind an acoustically transparent screen. For the best front stage you really want all three speakers on the same plane with tweeters aligned.
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- MICHAEL M on Apr 14, 2023
- Purchased on Feb 3, 2023
BEST ANSWER: I suppose you could install this speaker Horizontally as a center. Keep in mind that this would require extensive effort. This speaker when placed horizontally is almost 3 feet across. This would require cutting studs and then building a header to carry the load of the wall. Something that would be difficult in a load barring wall. I have this vertically installed between studs behind an acoustically transparent screen. For the best front stage you really want all three speakers on the same plane with tweeters aligned.
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- MICHAEL M on Apr 14, 2023
- Purchased on Feb 3, 2023
That is exactly how I have them mounted - 3 of these for LCR
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- Kitchenboy on Apr 14, 2023
- Purchased on Feb 19, 2023
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What is the peak and RMS watts for these speakers?
New User U
on Jul 18, 2023
BEST ANSWER: Recommended Amplifier Power50 ~ 450 watts
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- New User U Staff on Jul 18, 2023
BEST ANSWER: Recommended Amplifier Power50 ~ 450 watts
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- New User U Staff on Jul 18, 2023
Right. I read that but usually a recommended amplifier rating is simply what will make them play well where as RMS is the rated sustained wattage and peak is the maximum that can be played for a short burst without clipping or damage. The RMS has a lot to do with how far away I can place these and expect them to play at decent volumes. Most other speaker companies publish these numbers so I need the specific numbers to compare price vs performance. If your saying that 50 watts is the RMS and 300 watts is the peak (burst, so to speak) then that seems a lot further apart than most and I don’t think those are the real numbers.
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- New User U on Jul 18, 2023
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Is this in-wall speaker Ultra Certified as an LCR or only as a Surround speaker? Thank you.
A shopper
on Jan 7, 2022
BEST ANSWER: The speaker is Ultra Certified regardless it's used. However, the speaker wasn't designed for use as a surround speaker. The reason is it includes substantial bass capability and abillity to project bass at reference sound levels whereas surround sound speakers typically do not require this capabilitiy. Additionally, this speaker is large in size which most users would consider undesirable in a speaker used to project only surround sound. Nonetheless, this speaker would perform well as a surround speaker although the majority of listeners would consider use for this purpose as superflous.
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- Thomas H on Jan 20, 2022
BEST ANSWER: The speaker is Ultra Certified regardless it's used. However, the speaker wasn't designed for use as a surround speaker. The reason is it includes substantial bass capability and abillity to project bass at reference sound levels whereas surround sound speakers typically do not require this capabilitiy. Additionally, this speaker is large in size which most users would consider undesirable in a speaker used to project only surround sound. Nonetheless, this speaker would perform well as a surround speaker although the majority of listeners would consider use for this purpose as superflous.
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- Thomas H on Jan 20, 2022
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Is this really 9" deep? What wall can that fit in?
Andre A
on Jan 8, 2022
BEST ANSWER: No, it's 3.70" deep. The packaging spec was inadvertently listed as the product spec. Updated dimensions are: 36.3" x 11.06" x 3.70"
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- New User U Staff on Jan 10, 2022
BEST ANSWER: No, it's 3.70" deep. The packaging spec was inadvertently listed as the product spec. Updated dimensions are: 36.3" x 11.06" x 3.70"
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- New User U Staff on Jan 10, 2022
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When will these be ready
Waiting on these the minute there are three available please let me know?
Waiting on these the minute there are three available please let me know?
A shopper
on May 20, 2022
BEST ANSWER: If you signed up to be on the waiting list, you will be notified when these come into stock.
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- New User U Staff on May 20, 2022
BEST ANSWER: If you signed up to be on the waiting list, you will be notified when these come into stock.
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- New User U Staff on May 20, 2022
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What is the maximum thickness of the wall material that the mounting brackets on the THX-465IW will accommodate?
A shopper
on Aug 7, 2022
BEST ANSWER: The max wall thickness to clamp is 1.5” plus a taste to ensure 1.5” can be cleared.
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- New User U Staff on Aug 24, 2022
BEST ANSWER: The max wall thickness to clamp is 1.5” plus a taste to ensure 1.5” can be cleared.
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- New User U Staff on Aug 24, 2022
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I have to “stud out” a horizontal opening with 2x4’s. What would be the ideal size for this speaker?
STEPHEN L
on Aug 7, 2022
BEST ANSWER: This speaker is designed for an infinite baffle wall. If you turn it horizontal and create a space for it Your open space will be Y axis vertical along the long side of the horizontal speaker. You can make this a comfortable size, I suggest about 8“ above and below to a supporting cross brace to give the drywall support near the speaker.
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- New User U Staff on Aug 24, 2022
BEST ANSWER: This speaker is designed for an infinite baffle wall. If you turn it horizontal and create a space for it Your open space will be Y axis vertical along the long side of the horizontal speaker. You can make this a comfortable size, I suggest about 8“ above and below to a supporting cross brace to give the drywall support near the speaker.
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- New User U Staff on Aug 24, 2022
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See Background below for some context.
Questions: Q1 - Is it ok to have THX-465IW speaker 1" above a horizontal stud and 1" below horizontal studs and almost flush with L/R framing studs (a) for the installation tabs and (b) for sound? Q2 - is there a need to have anything behind the speaker or is it OK for it to empty out onto the fireplace cavit (see below). Q3 - what are the recommended Front LR, and Rear LR and surround and atmos speakers to complement this center channel?
Background: I am in the middle of a family / dining room remodel. Room is 28x16 with the center channel location approx 12' from the RHS of the long wall. Besides the kitchen, this is the only shared space in our house so this is where we are putting the "home theater". WAF is paramount and important for me too, so we're gong mostly in-walls with a couple of Heresy 1's on the floor for retro vibe, vinyl playing, and potentially as Front Wide LR (TBD). There is fireplace installed with cool vent (FirePlaceX CoolSmart) heat displacement system to push the heat in a vent up and round the back of the TV in the wall space. This leaves limited space for a center channel speaker but it is doable. We will put a smallish (43") Art TV for casual viewing / ART display and I will make an acoustically transparent screen for movie night, sports games and such, size TBD but likely 80-100" wide for a short throw projector and a seating positions 4' to 10' back from the screen. Fireplace cavity is 5' wide by 8' high by 18" deep cavity. which includes the fireplace, with cut steel plate, and both flex and sheet steel vents.
Questions: Q1 - Is it ok to have THX-465IW speaker 1" above a horizontal stud and 1" below horizontal studs and almost flush with L/R framing studs (a) for the installation tabs and (b) for sound? Q2 - is there a need to have anything behind the speaker or is it OK for it to empty out onto the fireplace cavit (see below). Q3 - what are the recommended Front LR, and Rear LR and surround and atmos speakers to complement this center channel?
Background: I am in the middle of a family / dining room remodel. Room is 28x16 with the center channel location approx 12' from the RHS of the long wall. Besides the kitchen, this is the only shared space in our house so this is where we are putting the "home theater". WAF is paramount and important for me too, so we're gong mostly in-walls with a couple of Heresy 1's on the floor for retro vibe, vinyl playing, and potentially as Front Wide LR (TBD). There is fireplace installed with cool vent (FirePlaceX CoolSmart) heat displacement system to push the heat in a vent up and round the back of the TV in the wall space. This leaves limited space for a center channel speaker but it is doable. We will put a smallish (43") Art TV for casual viewing / ART display and I will make an acoustically transparent screen for movie night, sports games and such, size TBD but likely 80-100" wide for a short throw projector and a seating positions 4' to 10' back from the screen. Fireplace cavity is 5' wide by 8' high by 18" deep cavity. which includes the fireplace, with cut steel plate, and both flex and sheet steel vents.
Julian W
on Sep 18, 2022
BEST ANSWER: Questions: Q1 - Is it ok to have THX-465IW speaker 1" above a horizontal stud and 1" below horizontal studs and almost flush with L/R framing studs (a) for the installation tabs and (b) for sound?
Yes, this is ok.
Q2 - is there a need to have anything behind the speaker or is it OK for it to empty out onto the fireplace cavit (see below).
Is there a radiated heat issue in there? What about the fireplace heat recovery unit itself is it steel that can vibrate under high level listening like a movie with explosions etc? You can fire into an infinite baffle as it is designed for such but be careful what is nearby.
Q3 - what are the recommended Front LR, and Rear LR and surround and atmos speakers to complement this center channel?
Rear 34368
Center – 34366, 34367, 42830
LR – 34366, 34367, 42830
Yes, this is ok.
Q2 - is there a need to have anything behind the speaker or is it OK for it to empty out onto the fireplace cavit (see below).
Is there a radiated heat issue in there? What about the fireplace heat recovery unit itself is it steel that can vibrate under high level listening like a movie with explosions etc? You can fire into an infinite baffle as it is designed for such but be careful what is nearby.
Q3 - what are the recommended Front LR, and Rear LR and surround and atmos speakers to complement this center channel?
Rear 34368
Center – 34366, 34367, 42830
LR – 34366, 34367, 42830
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- Inaccurate
- New User U Staff on Sep 19, 2022
BEST ANSWER: Questions: Q1 - Is it ok to have THX-465IW speaker 1" above a horizontal stud and 1" below horizontal studs and almost flush with L/R framing studs (a) for the installation tabs and (b) for sound?
Yes, this is ok.
Q2 - is there a need to have anything behind the speaker or is it OK for it to empty out onto the fireplace cavit (see below).
Is there a radiated heat issue in there? What about the fireplace heat recovery unit itself is it steel that can vibrate under high level listening like a movie with explosions etc? You can fire into an infinite baffle as it is designed for such but be careful what is nearby.
Q3 - what are the recommended Front LR, and Rear LR and surround and atmos speakers to complement this center channel?
Rear 34368
Center – 34366, 34367, 42830
LR – 34366, 34367, 42830
Yes, this is ok.
Q2 - is there a need to have anything behind the speaker or is it OK for it to empty out onto the fireplace cavit (see below).
Is there a radiated heat issue in there? What about the fireplace heat recovery unit itself is it steel that can vibrate under high level listening like a movie with explosions etc? You can fire into an infinite baffle as it is designed for such but be careful what is nearby.
Q3 - what are the recommended Front LR, and Rear LR and surround and atmos speakers to complement this center channel?
Rear 34368
Center – 34366, 34367, 42830
LR – 34366, 34367, 42830
- Reply
- Inaccurate
- New User U Staff on Sep 19, 2022
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is there a mounting kit for any of the Monolith In-wall speakers? I'm having sheetrock installed, and would rather have the sheetrock guys make the cuts than do that after the fact.
A shopper
on Oct 6, 2022
Monolith by Monoprice THX-465IW THX Certified Ultra 3-Way In-Wall Speaker
Monolith by Monoprice THX-365IW THX Certified Ultra 3-Way In-Wall Speaker
Monolith by Monoprice THX-275IW THX Certified Select 3-Way In-Wall Speaker
BEST ANSWER: We dont have a kit but the cutout dimensions are listed.
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- New User U Staff on Oct 6, 2022
BEST ANSWER: We dont have a kit but the cutout dimensions are listed.
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- New User U Staff on Oct 6, 2022
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I'm trying to plan a HT system. I'm thinking I'll use 3 THX-465IWs (LCR channel), 2 M12-VT (subs), 2 THX-275IWs (in-wall surrounds), and 2 or 4 in-ceiling atmos speakers. Does this setup make sense? And what atmos speakers should use?
TIMOTHY B
on Oct 6, 2022
Monolith by Monoprice THX-465IW THX Certified Ultra 3-Way In-Wall Speaker
Monolith by Monoprice THX-365IW THX Certified Ultra 3-Way In-Wall Speaker
Monolith by Monoprice THX-275IW THX Certified Select 3-Way In-Wall Speaker
Monolith by Monoprice M-12 V2 12in THX Certified Ultra 500-Watt Powered Subwoofer
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Can this speaker be used horizontally as the center channel and vertically as the L and R channels?
Dominic C
on Apr 2, 2023
BEST ANSWER: Hello and thank you for your question. Yes, you could definitely set up the speakers in that way to create the front Left, Right, and Center channels.
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- Carlos R Staff on Aug 8, 2023
BEST ANSWER: Hello and thank you for your question. Yes, you could definitely set up the speakers in that way to create the front Left, Right, and Center channels.
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- Carlos R Staff on Aug 8, 2023
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I currently have Martin Logan’s Motion 12s (towers) for my left and right, and looking to purchase in walls. I’m wondering if the THX 465IW would be a good replacement for my surround sound. Can the THX 465IW match my Martin Logan’s?
A shopper
on Apr 19, 2023
BEST ANSWER: These may not blend well with the Motion 12's due to the folded motion tweeter.
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- New User U Staff on Apr 19, 2023
BEST ANSWER: These may not blend well with the Motion 12's due to the folded motion tweeter.
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- New User U Staff on Apr 19, 2023
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I have Martin Logan’s Motion 12’s (towers) for my left and right. But now I’m looking into purchasing in walls to replace my motion 12’s and wondering if the THX 465IW would be a good replacement for my left and right surround sound?
New User U
on Apr 19, 2023
BEST ANSWER: These may not blend well with the Motion 12's due to the folded motion tweeter.
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- New User U Staff on Apr 19, 2023
BEST ANSWER: These may not blend well with the Motion 12's due to the folded motion tweeter.
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- New User U Staff on Apr 19, 2023
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Can this be ceiling mounted?
A shopper
on Nov 20, 2023
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Are there any plans to create an on-wall version of this speaker? Would love to have an on-wall version of this speaker.
A shopper
on Dec 31, 2023
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Are they available in 8 ohms?
A shopper
on Jan 31, 2024
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I would like your thoughts on in wall vs floor standing speakers for depth and staging for sound in a theater and music listening? I am an older audiophile with aging ears. Do you have any suggestions for me?
A shopper
on Feb 21, 2024
BEST ANSWER: Thank you for your question. To provide proper a recommendation, we would need to ask some questions. Please reach out to our Customer Support team via our Contact Us page for further assistance on your request.
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- Carlos R Staff on Mar 5, 2024
BEST ANSWER: Thank you for your question. To provide proper a recommendation, we would need to ask some questions. Please reach out to our Customer Support team via our Contact Us page for further assistance on your request.
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- Carlos R Staff on Mar 5, 2024
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What is the distance from the edge of the speaker to the woofer magnet? I am trying to determine clearance from a wall switch box on the opposite side.
Shawn L
on Mar 20, 2024
BEST ANSWER: Hello and thank you for your question. It seems you are inquiring about the depth dimension. The depth of the speaker is 3.7 inches. You would need to clear that to make sure that the speaker does not come into contact with the wall switch box.
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- Carlos R Staff on May 17, 2024
BEST ANSWER: Hello and thank you for your question. It seems you are inquiring about the depth dimension. The depth of the speaker is 3.7 inches. You would need to clear that to make sure that the speaker does not come into contact with the wall switch box.
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- Carlos R Staff on May 17, 2024
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Should these be mounted upside-down if the tweeter is above ear level?
A shopper
on May 15, 2024
Monolith by Monoprice THX-465IW THX Certified Ultra 3-Way In-Wall Speaker
Monolith by Monoprice THX-LCR THX Certified Ultra 3-Way LCR In-Wall Speaker
Monolith by Monoprice THX-365IW THX Certified Ultra 3-Way In-Wall Speaker
Monolith by Monoprice THX-275IW THX Certified Select 3-Way In-Wall Speaker
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Should I add insulation to the stud bay when installing these?
A shopper
on Jun 5, 2024
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Is there a back box for these?
A shopper
on Dec 31, 2024
BEST ANSWER: Hi, we do not have sell back box for this unit. They are designed to be open-baffle.
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- Jhomar R Staff on Jan 8, 2025
BEST ANSWER: Hi, we do not have sell back box for this unit. They are designed to be open-baffle.
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- Jhomar R Staff on Jan 8, 2025
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when will these be back in stock?
A shopper
on Jan 9, 2025
BEST ANSWER: Hi, we appreciate your interest in our products. Upon checking our inventory, we currently do not have an estimated time of arrival for the item. Sorry for the inconvenience.
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- Jhomar R Staff on Jan 10, 2025
BEST ANSWER: Hi, we appreciate your interest in our products. Upon checking our inventory, we currently do not have an estimated time of arrival for the item. Sorry for the inconvenience.
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- Jhomar R Staff on Jan 10, 2025
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when will these be back in stock?
New User U
on Jan 9, 2025
BEST ANSWER: Hi, we appreciate your interest in our products. Upon checking our inventory, we currently do not have an estimated time of arrival for the item. Sorry for the inconvenience.
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- Jhomar R Staff on Jan 9, 2025
BEST ANSWER: Hi, we appreciate your interest in our products. Upon checking our inventory, we currently do not have an estimated time of arrival for the item. Sorry for the inconvenience.
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- Jhomar R Staff on Jan 9, 2025
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When will these be back in stock? Or are they be discontinued? They've been out of stock and no ETA for about 4 months now.
A shopper
on Jan 24, 2025
BEST ANSWER: Hi, thank you for your question. At this time, we currently do not have an ETA for the item but we can tell that his item is not discontinued. We will update you when the item is back in stock.
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- Jhomar R Staff on Jan 24, 2025
BEST ANSWER: Hi, thank you for your question. At this time, we currently do not have an ETA for the item but we can tell that his item is not discontinued. We will update you when the item is back in stock.
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- Jhomar R Staff on Jan 24, 2025
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Do we know if these speakers will be back in stock this year (2025)?
A shopper
on Feb 24, 2025
BEST ANSWER: Thank you for your question. For these type of questions, it would be best to contact our Customer support team for further assistance.
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- Carlos R Staff on Mar 7, 2025
BEST ANSWER: Thank you for your question. For these type of questions, it would be best to contact our Customer support team for further assistance.
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- Carlos R Staff on Mar 7, 2025
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Will there ever be matching monolith in-ceilings?
A shopper
on Feb 25, 2025
BEST ANSWER: Hi, thank you for your inquiry. We apologize but we do not have monolith in-ceiling speakers available
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- Jhomar R Staff on Mar 14, 2025
BEST ANSWER: Hi, thank you for your inquiry. We apologize but we do not have monolith in-ceiling speakers available
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- Jhomar R Staff on Mar 14, 2025
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Rated 5 out of 5
High Quality THX Home Theater Sound and Music
I added these for my front left and right speakers for my 5.1.4 system and am very glad I did. I am no audiophile but can appreciate the fuller sound compared to other shelf and in-wall speakers I have heard. We have a 86" LG TV for TV/Xbox and use a 125" acoustically transparent projector screen for movies. If I had the choice I would have scrapped the TV and stuck with the 465IW for LCR speakers with just the projector screen.
This was an easy purchase after adding other in-walls from Monoprice. These have a cleaner look than satellite speakers they replaced and removed my anxiety of having speakers in a multipurpose space (media room and kid play room).
I am very happy with the sound and consistent quality across all Monoprice speakers.
Setup:
Center: Monoprice THX-LCR
Left and Right: Monoprice THX-465IW
Rear Surrounds: Monoprice THX-365IW
Atmos Heights (x4): Monoprice Caliper 8-inch 3-way
Subwoofer: Monoprice THX 8-inch 150 watt sub
This was an easy purchase after adding other in-walls from Monoprice. These have a cleaner look than satellite speakers they replaced and removed my anxiety of having speakers in a multipurpose space (media room and kid play room).
I am very happy with the sound and consistent quality across all Monoprice speakers.
Setup:
Center: Monoprice THX-LCR
Left and Right: Monoprice THX-465IW
Rear Surrounds: Monoprice THX-365IW
Atmos Heights (x4): Monoprice Caliper 8-inch 3-way
Subwoofer: Monoprice THX 8-inch 150 watt sub
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Rated 5 out of 5
Was Skeptical / Now I am a huge fan of Monolith
This speaker is a monster. requires some juice for optimal performance. Huge upgrade from my klipsch Center channel.
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Rated 5 out of 5
Happy
Happy so far! I went with 3x 465 for the LCR, 4x 365 for side and rear surrounds and 4 of the monoprice calibers for height, and 2x 10? subs of a different mfg. Monolith 7x powering the main speakers and Anthem MRX740 8k powering the heights. Very clear. I used 5/8? SoundBreak XP drywall and Rockwool safe n? sound in wall insulation. Very happy with end product.
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