W-521

Dual channel portable wireless microphone

Transmitter Specification

Optional frequency range: 174 - 270MHz

Product frequency: 252.55MHz & 257.35MHz

Total number of channels: 2channels

Modulation method: FM

Display type: LED

Pickup: Moving coil

Frequency response: 40Hz - 16KHz

Dynamic range: >100dB

Power supply: 2 x AA battery

Working current: <100mA

Receiver Specification

S/N Ratio: -97dB

Frequency stability: ±5KHz

Receiving mode: CPU control sending + pilotrecognition receiving

Mute method: Mute & Lock Loop Circuit

Power supply: 18650 (3.7V) built-in lithium battery/ DC 5V

Audio output impedance: 2.2KΩ

Audio output: 0 - 300mV

Connection distance: 30 meters

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