These earphones are high quality products.

Specifications:1) Speaker: 15mm2) Impedance: 32 ohms3) Sensitivity: 108dB +/- 3dB4) Resonant frequency: 100Hz +/- 20%5) Max. input power: 20mW6) Cord length: 80cm7) Connector: 3.5mm stereo plug with n

Specifications:1) Speaker: 15mm dynamic type2) Impedance: 32 ohm3) Sensitivity: 108dB±3dB4) Frequency: 100 Hz±20%5) Max. input power: 20mW6) Cord length: 80cm7) Connector: 3.5mm stereo plug

Specifications:1) Speaker: 15mm2) Impedance: 32 ohms3) Sensitivity: 108dB +/- 3dB4) Resonant frequency: 100Hz +/- 20%5) Max. input power: 20mW6) Cord length: 80cm7) Connector: 3.5mm stereo plug with n

Features:1) Voltage: DC 12V2) Max. electric current: 10A, with 10A fuse3) Rated input power: 85W4) Max. torque: 340N.m5) Weight: 1.4kg

Features:1) Speaker: 30mm dynamic type2) Impedance: 32 ohms3) Sensitivity: 103dB±4dB4) Frequency: 100 - 15,000Hz5) Max. input power: 100mW6) Microphone: condenser type7) Polar pattern: omni-dir

Features:1) Speaker: 30mm dynamic type2) Impedance: 32 ohms3) Sensitivity: 103dB±4dB4) Frequency: 100 - 15,000Hz5) Max. input power: 100mW6) Microphone: condenser type7) Polar pattern: omni-direc

Specifications:1) Plating for metal body and head2) 4m x dia. 5.5m half metal plug of mic cable3) 104 cartridge, 100g weight

Product Name: MicrophoneModel Number: UT-MP5048, MP5063Place of Origin: ChinaUDM-613 Wireless Microphone:Sensitivity: -75dB±3dBImpedance: 600ohm±5%Frequency Response: 100-15,000HzUDM-1149 Wi