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InwallTech® HD-650.1A

(18 customer reviews)

Compare at: $649.00


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Availability: In stock

Ultimate High Performance Audiophile Loudspeakers

Advanced High End Theater
Audiophile Music Listening Areas
Designer Interiors

Trusted InwallTech Technology

Dolby Atmos 7.1.2 System from Inwalltech

Home Theater

Specifically designed for high end Home Theater. Almost invisible once installed. ALL the grills included are custom paintable to your EXACT wall shades.


Audiophile Quality

Quality without the extreme price . With the business model of Direct-to-Customer (DTC), you get more performance for less than traditional brick and mortar home theater stores or custom home integrators.

by default 2023-02-13


Imagine incredible sound without using any floor space. Your house is beautiful, let’s keep it that way. Whether you’re planning on building an invisible thunderous home theater or fill your home for the holidays with smooth get-to-your-heart soulful music, these speakers will feel just right for both your ears and your wallet.

InwallTech® HD-650.1A

Premium, luxury, preeminent, supreme, unparalleled, paramount, primo, leading, first-class, finest, precious, life-like, extravagant, etc.

Get ready because you’re looking at the most performance you can get out of an inwall design before paying exotic prices. This line delivers luxury fulfillment of life-like audio reproduction. Envision a home theater capable of immersing you into the true embodiment of the movie director’s dream.


  • Exceptional low end fidelity for the most intense musical or theatrical pieces created by Provlar™ woofers. Our improved version of Kevlar, introduced in 2010.
  • Vivid high end and unassuming midrange performance for greater accuracy and more life-like imaging, taming the shrillish properties of typical Titanium with Zelenium-Dome™tweeters. Our improved version of Titanium, also introduced in 2010.
  • Easy one-cut, drop-in installation puts built-in audio within reach, with Exact Fit templates and a precision flange that clamps the speaker securely to the drywall.
  • Get a lifetime of reliable sound from the durable, CAD (computer aided design) modeled, injection-molded butyl rubber surrounds suppress unwanted cone resonances.
  • Enjoy greater accuracy and more realistic imaging with aiming tweeters that pivot independently.
  • Timbre matching (the family of speakers sound the same) ensuring utterly seamless blending from speaker to speaker. They are acoustically inert, for dynamic, unimpeded sound and more uniform coverage, even in larger rooms with nearly transparent, ultra-small perfs
  • Practically invisible once installed with the magnetically attached exclusive wafer-thin Rarefied-Grille™
  • Visualize an even more hidden look by painting the grill and frame of the speakers for a nearly invisible installation.


-Trimless Design
-Speaker Assembly: Mounted in 20 degree angled housing
-Woofer: 6 1/2″ Provlar™ Woofers (new improved version of Kevlar) with butyl rubber surround, 1″ voice coil, 22 oz. magnet with vented pole piece
-Tweeter: 1″ Pure Zelenium™ Dome pivots 30 degrees, ferro-fluid cooled, neodymium magnet, wide dispersion design
-Crossover: Phonalic Heavy Duty Reinforced PCB board, independent 12 db woofer section, 12 db tweeter section, Polyimide auto protect over power reset automatic switch, Gold plated terminal posts will accept up to 14 AWG wire.
– 3 db attenuation switch for independent tweeter control
-Impedance: 8 ohm
-Sensitivity: 89 db measured with 1 watt / 1 meter away
-Maximum Thermal Power Rating: 125 Watts
-Overall Frequency response: 40 Hz- 24,500 Hz (+ – 9db)

-Low Frequency limit -3db: 60Hz

-Upper Frequency limit -3db: 22,000Hz

-Dimensions: 9 3/8″ x 5 1/4″
-Cut out dimensions: 8 1/4″ (It’s advised to NOT cut your opening until you have the speakers in hand, a template is included with the speakers)Perfect for a ceiling theater speaker.

Premium, luxury, preeminent, supreme, unparalleled, paramount, primo, leading, first-class, finest, precious, life-like, extravagant.

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18 reviews for InwallTech® HD-650.1A

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Based on 18 reviews
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1-5 of 18 reviews
  1. HS

    Just installed 4 hd-650.1a for height speakers,sound great, great buy, plan on getting two or twoof the inwalls Hd”s for rear surround.

  2. TH

    These speakers perform well beyond my expectations, and from a rating standpoint of price and performance, I would give them a five star rating. My only caveat is some minor complaints about their build quality. It starts from the lighter cosmetic inconsistencies in the grill to the clapping system where one of the long screws broke in half because two of the mounts were actually stacked on one speaker. Also on one of the speakers, the tweeter is fairly difficult to rotate in a smooth fashion. To boil it down it is an excellent speaker that needs a little more quality control, and I imagine when that is addressed this will be the perfect speaker for dedicated theater rooms, where immersive sound like Dolby Atmos becomes a nessesity. Dont get me wrong though on the performance; they are fantastic!

    InwallStore.com response: Thanks for reviewing the speaker! The clamping system is similar to all the other brands out there and all have the same procedure for clamping. See this video for a visual explanation of why the screws break if not followed: https://www.youtube.com/v/kuBjIDIm-xo?autoplay=1
    The pivoting tweeters also share the similarities. There is a cup in which the tweeter sits with a spring behind it pushing it forward somewhat tightly so that it doesn’t move after positioning it. A rotation either a little clockwise or counter-clockwise un-impinges the spring behind in case it’s been tweaked to one side or the other. Then it frees up to move around. Hope that helps future customers. And of course if there’s any problem that can’t be solved, it’s covered under a lifetime warranty. Bk

  3. HV

    This is a follow-up to my review written on February 15th when I bought five of the HD-650.1A’s. I had these speakers installed in my ceiling on March 6, 2016. I have nothing but praise for these speakers. The surround sound is amazing. The sound of these speakers are as good as any of the speakers I listened to at the Best Buy Magnolia Center and way less expensive then the high end speakers. I just don’t think you will find a high end speaker that sounds any better to make it worth the cost for the high end speaker.
    The only negative I can say is this company needs to pay more attention to detail. two of the speakers I received had the positive and ground reversed, one of the grill covers was missing the felt, and one of the speaker weight covers was not glued on.

    Inwallstore: Thanks to Hans here we are now aware of the possibility of the binding posts being reversed and have implemented an inspection process where our shipping crew will open each HD650.1A and verify the correct connections. Many thanks to this customer. In regards to the magnet cover, we are aware that the weather plays a part in the glue here and are planning on changing glue suppliers in the future. Thankfully the cover is only a cosmetic tool to help give the back label a flat surface to adhere to.

  4. HV

    I have done a lot of research for ceiling speakers. I came across this company by chance. I saw that my cousin had given these speakers a very good review. I noticed that the 650’s specification was very similar to speakers costing much more money. When I showed these speakers to my installer he was impressed by them. I will be installing t of the 650’s in about three weeks and will write another review on the sound of these speakers.

  5. R-

    I am more than very pleased with the new speakers. I bought a 5.1 bundle – new house and wife wanted not to have the free-standing spkrs. So I had the builder install the wire to provide for up to 5.1 config and bought some in-walls for a trial install (good return policy here). Products looked very high build quality & instructions for basic install complete and clear (but had to ask a couple of questions to get all features right (setting of variable db settings, variable impedance and multi-angled angle driver settings-which were immediately responded to by Inwallstores staff. Result was every acceptable (tremendous from the value for money perspective). Along comes DTS:xand Dolby ATmos. New AVR needed and of course additional speaker to go to 5.1.4 or even 7.2.4 with ceiling speakers. Bought the 4 x HD6501As and did some retro-wiring in existing walls and completed 5.1.4 config. Now I am waiting for new AVR which supports DTS:x and Atmos – can’t wait! Highly recommended products.

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