What frequency should I use for my microphone?

Use the right frequency. You should use your wireless microphone only at the right frequency for your area if operating in the frequency ranges of 520 to 694 MHz. You can no longer use wireless microphones in the frequency range of 694 to 820 MHz.

How do I adjust my squelch Sennheiser?

Adjusting the squelch is relatively straightforward. You simply set your mic up (powered on) at the furthest distance (or worst case) you ever expect to use it and adjust the squelch at the receiver until it just gates off your mic. Then move it back up just a little for an extra margin of safety.

What RF frequencies are illegal?

600 MHz
Prohibition on use of the 700 MHz band In 2010, the FCC prohibited the use of wireless mics and devices on unused broadcast channels on the 600 MHz service band and on the 700 MHz band – specifically the frequencies between 698 and 806 MHz.

Why are certain frequencies illegal?

It’s now illegal to operate wireless audio in the majority of the 600 MHz band. The sale of the 600 MHz frequency band further limits the available frequency channels wireless audio can use to transmit sound. Both the 700 MHz and 600 MHz are sought after because wireless can propagate through walls more efficiently.

What is H9 frequency band?

An H8 device and an H9 device are compatible if they are tuned to a frequency within the 5 groups. See the PDF file below. The H8 band (518-542 MHz) was discontinued in October 2015; it was replaced by the H9 band (512-542 MHz) and the H10 band (542-572 MHz).

How do I sync my Sennheiser IEM?

You can adjust the Parameters to be transferred to the receivers here: “Advanced > Sync Settings menu item”.