BOYA BY-M1DM Dual Lavalier Universal Microphone

Transducer: Electret Condenser Polar pattern: Omni-directional Frequency Range: 65Hz ~ 18KHz Signal / Noise: 74dB SPL Sensitivity: -30dB +/- 3dB / 0dB=1V/Pa, 1kHz Output Impedance: 1000 Ohm or less Connector: 3.5mm (1/8”) 4-pole gold plug Power requirement: LR44 (included) Cable length: 4m(13ft) Net weight: 68g(2.4 oz)