The AirLine AH1/QV10 from Samson is a UHF vocal wireless headset transmitter with a QV10 vocal microphone. It is designed to be used with a corresponding UM1 or CR77 receiver (sold separately), and can be used by instructors, speakers, performers for speech, vocals, and more.
Some of the features of the AH1/QV10 include a power/battery LED indicator, a permanently attached flexible antenna, a mute switch, and a dedicated power switch. The headset transmitter and microphone fit over your ears and is designed for use up close directly in front of your lips.
In addition, the transmitter is powered by a single AAA alkaline battery and can run up to 14 hours. Rechargeable Ni-Cad batteries last up to 4 hours.
Specifications
Channel Frequencies - N1: 642.375 MHz
Operating Power - Voltage: 1.5 V typical, 1.05 V minimum, 2 V maximum
Current Consumption - 60 mA typical
Battery - 1x AAA
Battery Life - Up to 14 hours
RF Output Power - -4 dB minimum, +3 dB maximum (5 mW)
Frequency Stability - -40 kHz minimum, 40 kHz maximum
Spurious - 1µ W
Modulation - 13 kHz minimum, 15 kHz typical, 17 kHz maximum, input 1 kHz to 20 dBV
Input Impedance - Mic: 2 kOhms
Total Harmonic Distortion (THD) - <2% (1 kHz deviation 15 kHz)
Frequency Response - 50 Hz to 15 kHz ((±3.5 dB)
Controls - Power switch, mute switch, volume
Input - 2.5 mm stereo jack
Indicators- Power on (LED flash), low battery (LED on)
