Polk Audio LSiC Fortress Modification

Parts List -
Tweeter Circuit -
Clarity Cap SA
Clarity Cap PX
Mundorf Mox

Midbass Circuit -
Clarity Cap PX
Bennic Electrolytics bypassed by Clarity Cap SA
Mundorf Mox

Upgrade Features -
Point to point wiring
Fortress Plates
99.99% Copper, Gold Plated Insulated Binding Post
Complete, easy to reinstall package


Click to go to our online store -

Hear the Difference -




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Learn more about Fortress Mods, Click Here!

Want to Do It Yourself? No problem!

Thoughts from the customer?

"Just wanted to take a second to give some props to Trey for the great work he does with his speaker mods. I got a pair of LSi9s modded and a LSiC.Not only did I get consistent updates (often with really cool pictures of the components), Trey works as hard as he can get the orders turned around fast and shipped insanely well packaged and safe. All for an extremely reasonable price. I've got a small audiophile-vocabulary, but I'm super satisfied and happy with my purchase. I've been able to consul consolidate my speaker setup since I'm happy with the modded LSi9s ability to pull music / movie double duty. anyway, if anyone is considering using Trey and VR3mods. Stop it, and order! :-) Thanks Trey!"


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