The FR-500WK Portable Wireless Audio System from MXL is designed for videographers. It includes a lavalier microphone as well as a windscreen and mounting clip. The FR-500WK operates on 64 possible channel selections within the 566.25 to 589.75 MHz frequency range, the transmitter and receiver both last up to 10 hours on two AA batteries.
The FR-500WT Transmitter features a 1/8" line input, a 1/8" microphone input and a built-in mic. The FR-500WR Receiver features a 1/8" line out, a 1/8" headphone output and a built-in speaker. A hot-shoe adapter is available for the receiver, allowing it to mount to DSLR cameras for audio capture. Additionally, the system features a 40 Hz to 18 kHz frequency response and a long line-of-sight transmission range of 918' (280 m) LED lights on the FR-500WK system indicate which channel group you're using.