K-4 Single-Channel Stereo Wireless In-Ear Monitoring System**

IEM Transmitter:**

50 selectable transmit frequencies

Infrared (IR) frequency sync

One transmitter can pair with an unlimited number of bodypack receivers

Metal housing

Output / Audio:**

Balanced output level: 0–300 mV

Audio output level: 0–300 mV

RF Specifications:

Frequency range: 610–680 MHz

Sensitivity: 10 dBµV (75 dB S/N)

Modulation: FM

Maximum frequency deviation: ±45 kHz

Operating distance: up to 150 meters