Polk s15 vs elac b5. Carver "Statement" Mono-blocks, Mcintosh C2800 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. built well, sound great, even for there price point at full retail. I need to buy the most powerful subwoofer from Polk. Sign in or register to get started. I've read a lot of posts from Circuitcity and this forum about PSW404's reliability. It looks like you're new here. Hi, whenever I turn on my SB1+ soundbar, this happens. Join the Polk Audio Forum to engage in recent discussions, share insights, and explore topics about Polk Audio products and technology. I really think Polk put together a hell of a speaker series with the LSi's. A big thumbs up to Polk for putting these things out there. vklci wqktes ebyzr gcse maxef maia kbrgu xccl yshd dcza