KX300-K Air Tube Earpiece Headset PTT Compatible to all models of radio brands by corresponding connectors

Technical Specification:

■ Speaker

Dimension: Ø28mm

Sensitivity:102dB ±3dB(Single part)@1Kz

Impedance: 32Ω ±15%

Frequency Rage: 420Hz–20KHz

Related Power:100mW

Maximum Power: 200mW

■ Mic (Single Microphone)

Dimension: Ø6.0×5.0mm

Sensitivity:–54dB ±2dB

Impedance: 2.2KΩ

Frequency: 100Hz–16000Hz

Operation Voltage: 1V–10V

■ Cable

Diameter: Dual Ø4.0mm

Durable Temperature: –20℃—90℃

■ Connector

Life time: 12000times (put in and take out)

According to radio models, different connector available.