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- DESCRIPTION
- SPECIFICATIONS
- FREQUENTLY ASKED QUESTIONS
Ultimate High Performance Audiophile Loudspeakers
Applications:
Advanced High End Theater
Audiophile Music Listening Areas
Designer Interiors
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.
Features:
- 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.
“Finally, our flagship line of speakers are here! This HD line of trimless speakers are very good….and very good for the price. With this style of grill, the speakers take on an elegant feel, integrating nicely in even the highest-end homes. Factory direct from a strong retailer is your best bet these days…no middle-man”

HD650.1C
-LIFETIME WARRANTY
-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: Switchable 4 or 8 ohm
-Sensitivity: 88 db measured with 1 watt / 1 meter away
-Maximum Thermal Power Rating: 125 Watts
-Overall Frequency response: 40 Hz- 30,000 Hz (+ – 9db)
-Upper Frequency limit -3db: 25,000Hz
-Dimensions: 9 1/2″x 4 1/2″
-Cut out dimensions: 8″ (It’s advised to NOT cut your opening until you have the speakers in hand, a template is included with the speakers)
Industry Comparison:
InwallTech® HD650.1C | B & W CCM 665 |
![]() |
![]() |
Inwallreviews.com
Index Score: |
Inwallreviews.com
Index Score: |
This comparison illustrates InwallTech’s principles of making the most of materials available to get audiophile quality keeping pricing at affordable levels giving you the most purchasing power when shopping for inwall speakers. |
Installation Tip for Starting Dog Ear Mounting
Promo Video describing the features of the HD650.1A Speakers
What’s the difference between traditional and “trimless”?
HD650.1C
-LIFETIME WARRANTY
-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: Switchable 4 or 8 ohm
-Sensitivity: 88 db measured with 1 watt / 1 meter away
-Maximum Thermal Power Rating: 125 Watts
-Overall Frequency response: 40 Hz- 30,000 Hz (+ – 9db)
-Upper Frequency limit -3db: 25,000Hz
-Dimensions: 9 1/2″x 4 1/2″
-Cut out dimensions: 8″ (It’s advised to NOT cut your opening until you have the speakers in hand, a template is included with the speakers)
Download Manual
Frequently Asked Questions (FAQ):
Can I use these in drop ceiling tiles?
How to compare speakers?
Can I play my iPod or computer speakers thru my in wall speakers?
Where should I place my speakers?
Should I Build a Box For My Speakers?
How to Demo Inwall Speakers
Can I Use Ceiling Speakers Outside?
Are The Speakers Pair Priced?
Do the Speakers Come With Grills?
Can I Paint My Speakers?
Ultimate High Performance Audiophile Loudspeakers
Applications:
Advanced High End Theater
Audiophile Music Listening Areas
Designer Interiors
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.
Features:
- 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.
“Finally, our flagship line of speakers are here! This HD line of trimless speakers are very good….and very good for the price. With this style of grill, the speakers take on an elegant feel, integrating nicely in even the highest-end homes. Factory direct from a strong retailer is your best bet these days…no middle-man”

HD650.1C
-LIFETIME WARRANTY
-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: Switchable 4 or 8 ohm
-Sensitivity: 88 db measured with 1 watt / 1 meter away
-Maximum Thermal Power Rating: 125 Watts
-Overall Frequency response: 40 Hz- 30,000 Hz (+ – 9db)
-Upper Frequency limit -3db: 25,000Hz
-Dimensions: 9 1/2″x 4 1/2″
-Cut out dimensions: 8″ (It’s advised to NOT cut your opening until you have the speakers in hand, a template is included with the speakers)
Industry Comparison:
InwallTech® HD650.1C | B & W CCM 665 |
![]() |
![]() |
Inwallreviews.com
Index Score: |
Inwallreviews.com
Index Score: |
This comparison illustrates InwallTech’s principles of making the most of materials available to get audiophile quality keeping pricing at affordable levels giving you the most purchasing power when shopping for inwall speakers. |
Installation Tip for Starting Dog Ear Mounting
Promo Video describing the features of the HD650.1A Speakers
What’s the difference between traditional and “trimless”?
HD650.1C
-LIFETIME WARRANTY
-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: Switchable 4 or 8 ohm
-Sensitivity: 88 db measured with 1 watt / 1 meter away
-Maximum Thermal Power Rating: 125 Watts
-Overall Frequency response: 40 Hz- 30,000 Hz (+ – 9db)
-Upper Frequency limit -3db: 25,000Hz
-Dimensions: 9 1/2″x 4 1/2″
-Cut out dimensions: 8″ (It’s advised to NOT cut your opening until you have the speakers in hand, a template is included with the speakers)
Download Manual
Frequently Asked Questions (FAQ):
Can I use these in drop ceiling tiles?
How to compare speakers?
Can I play my iPod or computer speakers thru my in wall speakers?
Where should I place my speakers?
Should I Build a Box For My Speakers?
How to Demo Inwall Speakers
Can I Use Ceiling Speakers Outside?
Are The Speakers Pair Priced?
Do the Speakers Come With Grills?
Can I Paint My Speakers?
Q & A
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Find Sub Component Reviews
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We just purchased more speakers and they are simply a sensational value. You can’t go wrong with this company!
I purchased two pairs of HD-650.1C speakers. They are not installed yet so I do not know what they sound like, but the appear to be well-made and the packaging was excellent.
This is my third purchase of speakers. This one was for my new home that included 8 speakers to make an 11.1 system two of which were in/wall speakers. I purchased the top-of-the-line speakers which are stocked full of quality and efficiency. The mounting of the speakers could not be easier. The systems sounds tremendous and as I hoped/expected from Inwalltech. Delivery was speedy and the speakers were professionally packaged to ensure no damage in transit.
I had plenty of information from which to make my decision on the level of speakers I was searching for. The order process was straightforward and shipping was fast. Everything arrived packaged correctly and on time. Quality is excellent, just what I ordered.
I know, I shouldn’t judge quality by a price tag and now I can add this purchase to the reasons why. I bought a full set of 5.1 speakers and 7.1 speakers for two separate systems, along with ceiling speakers for my whole house audio system. I spent around $2,500 with inwalltech whereas I could have spent well over $5,000 for name-brand speakers. I’m glad I didn’t waste the money because these babies ROCK. We are building a house, so I don’t even have my amp yet, but I hooked all of the speakers to a spare amp to test them (to be sure that a contractor didn’t skewer any of my in-wall speaker wiring) and even with a “spare” amp, these things sound AWESOME.