Description
Description: Waterproof speaker microphone, specially designed for Retevis RA89 Dual Band Ham Radio. The mic is rainproof and only waterproof at the interface. Specification: Speaker Diameter Φ40mm*5.2 mm Impedance 8 Ohm±15% at1 kHz Sound pressure level 105±3dB Rated power 1W Maximum output power 2W Microphone Type Condenser Electret Microphone Impedance 2.2k Ohm Sensitivity -40±3dB at1Khz (0Db=1V/Pa) Working voltage 1.5-10VDC Dimension 60*69*29MM Material Φ5.0mm TPU Wire Package Includes: 1 x Speaker Microphone About us