Designer in wall wiring - worth it?

Audience in-wall shielded 10 gauge cable.

The cable IS NOT Listed for use as branch circuit power wiring.

NEC/ AHJ (Authority Having Jurisdiction) requires the branch circuit wiring shall be Listed by a recognized NRTL testing laboratory, example of an NRTL,  UL. 

NEC 110.2, 110.3 (C)

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I have two dedicated outlets for my system using standard 12 gauge with short runs of about 15’ to the breaker box.

Pretty short runs... Any chance of voltage drop is slim to none. 

Just curious, do you have any surge protection to protect your audio equipment? A Whole House Surge Protector at the electrical panel?

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Thanks for the comment. Both lines are on the same leg of my box,  

Best way to verify 100% is to check with a volt meter, multimeter.

If both dedicated branch circuits are fed from breakers on the same Line, leg.

Measure for voltage, from a hot contact of a duplex outlet, connected to one dedicated branch circuit, to a hot contact, on the other dedicated branch circuit duplex outlet. You should measure zero volts nominal.

IF you measure 240Vac nominal then the two branch circuits are not fed from the same Line, but rather are fed from Line 1 and Line 2. 

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@zlone 

While I have four Audience power cables and I use a Audience AR6 power conditioner, I have never tried their bulk power cable.

Sorry.

@jea48 I installed a Siemens whole house surge protector several years ago. And I have PS Audio P15 for protection and “cleansing” for all of my components. I also installed all the wiring and the breakers, I am positive they are on the same leg.

@curiousjim Thanks for the comment. I have been so impressed with the Audience speaker cables, and more recently the Hidden Treasure Ethernet cable, I just figured this might be worth a try. They seem to know what they are doing.
 

All you can do at the end of hundreds of miles of power transmission is remove noise and prevent voltage drop from your breaker panel under load. You can't exotic your way into better sounding in-wall AC cables. Thicker gauge will reduce voltage drop from panel to receptacle and any 10 gauge will do that just fine.  

If you feel the need to reduce noise, or protect from surges you are better off spending money after the receptacle. 

Not entirely disagreeing @erik_squires , but could the Audience wire act as an extension of a high end power cord?