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Woofer Size



5 Years FULL Replacement

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Speaker Placement

Front – Left / Center / Right, Front – Left / Right, Rear / Surround

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Martin Logan Motion XTC8 Motion XTCI Series 8″ In-Ceiling Speaker – Each

Martin Logan Motion XTC8 Motion XTCI Series 8" In-Ceiling Speaker - Each



In The Continental US

5-Year Warranty

On All Speakers

No Sales Tax!

SKU xtc8 Categories , Brand:

For true next level performance over the MC8 (its Motion CI counterpart), the XTC8 features our largest and highest performing FMT XT and a woven Kevlar woofer. These features make a noticeable improvement to the sound but also help to reduce unwanted room acoustic artifacts. With a more controlled 80 x 30 dispersion, the FMT XT is a powerful tool that delivers unheard levels of realism from a CI speaker in even the most acoustically challenging rooms. The XTC8 is a great choice for a high performance whole house music system, or for premium home theater. Its unique combination of high-performance drivers and controlled dispersion allows you to control where sound is placed in a room and provides an even better experience.

Brand New Products

All items we sell are New and 100% Genuine products!

Price Match Guarantee

We guarantee to match any out-the-door lower price!

Hassle Free Returns

20-Day Returns on all products (Check store policy for more details)


Frequency Response
51 – 25,000 Hz 3dB
Tweeter Controlled Dispersion
30 x 80 degrees
Sensitivity (anechoic)
91dB @2.83V/ 1 meter
4 ohms. Compatible with 8 ohms
Crossover Frequency
2,270 Hz
Crossover Type
2 way
Driver Configuration
1 x 1.27 x 2.75 FMT, 1 x 8 Woofers High Frequency Driver FMT Transducer 1.27 x 2.4 (3.22cm x 6.09cm) Opening 4.5 x 2.75 (11.43cm x 6.98cm) Diaphragm
Woofer Specifications
One 8 (20.32 cm) cast aluminum basket, black Kevlar with Nomex backer cone, Open back chamber format. Concave dust cap.
Push style
Custom air core coil inductors, polypropylene film capacitors in series and low DF electrolytic capacitors FMT thermal/current protection.
Cabinet Material
Black w/ White Paintable Grill
Suggested Amplifier Power
Range 50 300 Watts
Maximum Power Handling
150 Watts
Weight (grille)
7.9 lbs. (3.58 kg) each
Weight (no grille)
7.6 lbs. (3.44 kg) each
Overall Size (dia. x depth)
10.35 x 5.30 (26.28cm x 13.46cm)
Required Opening
9.25 (9.5cm) diameter
Projection From Wall
0.33 (23.5cm)
Depth Required Behind Wall
5.50 (13.97cm)


Free Shipping within the Contingent United States can typically take 1-2 full weeks for delivery (or sooner).
Once your product ships out we will ALWAYS email you a tracking number for your convenience to be able to track online.

Air and Ground shipment time frames are business days only, and exclude weekends and/or holidays.
Orders outside the 48 continental States require Second Day or Next Day Air service.


NationwideStereo.com does not assess duties for international orders and they are subsequently subject to applicable customs, import duties and taxes, which are the sole responsibility of the customer. Please contact your local customs office for details.

  • Nationwide Stereo guarantees you the utmost in quality, authenticity, and reputability
  • 20 Day Return Policy*
  • No sales tax charged as we are located out of a non sales tax state
  • 1-5 Year NationwideStereo Hassle Free Replacement Warranty on all items
At Nationwidestereo.com, your complete satisfaction is important to us. If for any reason you are not 100% satisfied with your purchase simply create an RMA under our Contact Us Page & send your item back to Nationwide Stereo in its new, unused condition, with original packaging and we will be happy to provide you with either a partial refund of the purchase price or a store credit toward an exchange (excluding shipping & handling charges). Some conditions may apply. Please read our full return policy.
Our Products:
  • are authentic, never used, in the original box with manuals.
  • have a 1 to 5 year warranty program (see our warranty section for details).
Your comfort, security and confidence are our utmost concern. All transactions are digitally encrypted using the latest technologies. We never share any of your information.

Do the products you sell have a warranty?

Yes all products we sell come with an equivalent to manufacturer warranty for the same time duration as the manufacturer would supply you with.  If you ever experience an issue with your item purchased from us, you will simply have to contact us for repair or replacement on your product within the warranty time period*


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