Initial Impression: Wow, how did they get this surface treatment on the plastic case? It's almost like velvet. That doesn't really add much to the technical discussion but you know what they say about first impressions.

Application: Provide an RF link from the SMS-1 to the second sub. First sub is hardwired to the SMS-1.

Performance: Setup was simple and they worked. No problems with interference from my 802.11N or wireless phone systems that I've noticed, yet. Moving the sub around is one heck of a lot easier now than with the hardwired setup.

Adding the second sub made my bass response worse (so far uncorrectably worse)and I am somewhat concerned that the transmit/receive pair has introduced a delay that is causing my subs to destructively interfere with each other. I don't think (but I'm not sure) that the SMS-1 allows the phase of each sub to be adjusted seperately?? I know my sub only have a polarity switch. But I'll admit that I haven't done enough work to say which piece of the puzzle is causing the problem.

One thing I would have liked to see would have been a provision to hardmount to an RCA connector so that the OAW3 could plug directly into the receiver/sub/SMS-a/etc like a USB stick plugs into a computer. I can understand how this would limit flexibility though.

Second choice would have been for some type of mechanical mounting feature on the back case so I could hang it on the wall or entertainment center. Personally, I don't really care for the sticky tabs provided.

Overall impression is positive with the caveat that I need to do some more investigation into system perfromance issues.