Plenty of mics in the $100-250 range that sound decent. Countryman B3, Rode Lav, Tram, AT 899, the OST TL40 probably being the least expensive. Even a pigtailed 77 (no power module) would be close to $250.
Just purchased an OST 801 and it sounds great. Only around $90 when configured for a wireless transmitter, $150 or so with XLR transformer. Add about $10 for TL-40, which is round and smaller.