I was looking into a set of wireless mikes from Sennheiser. The 15% off deal advertised doesn't work with Sennheiser, but they do have a California tax deal that did. stacking that coupon ended up offering the cheapest price of a new set of mikes from Sennheiser.

Hopefully the audio quality of my videos and audio recordings will be vastly improved with these:

Sennheiser Ew 100 Eng Plug-On Wireless System Ch G