Walmart offers the Bravo View Wireless FM Transmitter, model no. FM-40, for $7.69. Choose in-store pickup to dodge the $5.97 shipping charge. That's a few cents under our May mention and the lowest price we've seen. (It's the best deal now by $2.) It features a frequency range of 87.5 to 94.9MHz.
Walmart offers the Pyle 100-watt Motorcycle/UTV USB Speaker, model no. PLMCA40, for $69.84 with free shipping. That's the lowest total price we could find. It features two handlebar-mount weatherproof speakers, LCD display, FM tuner, and USB, AUX, and SD inputs.