Optimus Pro LX5 II speaker crossover modification and foam surround replacement - YouTube
Amazon.com: Simply Speakers 5.2 Inch Woofer Optimus Pro LX5, Pro LX5II, 77, Radio Shack, RCA Linaeum, W-LX5 : Electronics
Optimus Pro LX5 Speaker Crossover | eBay
Just got around to buying the foam rings, re-foamed and poly-filled these Radio-Shack Optimus Pro LX5 speakers. I seriously love the openness of these speakers, it's my first time hearing them in