| Specification | Details |
|---|---|
| RF Modulation | GFSK (Gauss frequency Shift Keying) |
| Frequency Band | 2.4 GHz (2405-2478MHz) |
| Frequency Response | 35Hz-14KHz ±3dB |
| Signal/Noise | 84dB or more |
| Distortion | 0.05% or less (32Ω, 1 KHz, 65mW output) |
| RF Output Level | 3mW |
| Earphone Output Level | 32Ω, 65mW |
| Reception Sensitivity | -90dB +/- 3dB / 0dB=1V/Pa, 1kHz |
| Audio Input Connector | 3.5mm mini jack |
| Operation Range | 60m (197ft) without obstacle |
| Power Requirements | TX4 PRO/RX4 PRO: 3V DC (Two AAA size batteries) |
| Consumption Power | Receiver: 3V/70mA, Transmitter: 3V/70mA |
| Dimensions | TX4 PRO/RX4 PRO: 45x70x35mm (1.8×2.8×1.4″) |
| Weight | TX4 PRO/RX4 PRO: 47g (1.7 oz) |
| Packing List | Transmitter(TX4 PRO) x2, Receiver(RX4 PRO) x1, Lavalier/lapel microphone x2, 3.5mm to TRS audio output cable x1, 3.5mm to TRRS audio output cable x1, Cold-shoe mount x1, Windscreen x2, Microphone Holder clip x2 |









