Williams AV MIC 145 Dual Headset Microphone with TRRS 3.5mm Plug for DLT 400

The Williams AV MIC 145 is a dual headset microphone featuring a 3.5mm TRRS plug. It's exclusively compatible with the DLT 400 transceiver. This microphone uses an electret condenser with noise - cancelling technology, offering high - quality sound. With a frequency response from 10kHz to 100kHz, a signal - to - noise ratio of over 60dB at 1kHz, and a mic sensitivity of - 62 +/- 4dBv / ubars at 1kHz at 1/4”. The headset has a sensitivity of 105dB SPL typical at 1kHz at 1mW on a flat - plate coupler and a typical DC impedance of 32 ohms (stereo). It comes with a gooseneck boom and a 3.5mm TRRS plug in a black plastic housing with strain relief. It also has a 90 - day warranty.

Using this Williams AV MIC 145 is easy. First, make sure your DLT 400 transceiver is turned off. Then, plug the 3.5mm TRRS plug into the appropriate port on the transceiver. After that, you can turn on the transceiver and start using the microphone. When using it, keep in mind that it's only for use with the DLT 400 transceiver, so don't try to connect it to other devices. Also, avoid exposing it to excessive moisture or dust. For maintenance, gently wipe the microphone and the headset with a soft, dry cloth. If there are stubborn stains, you can use a slightly damp cloth, but make sure it's not too wet. The warranty is for 90 days, so if you have any issues within this period, contact the seller.