Certification : CE,FCCModel Number : HAP120-VHAP120-VHi-fidelity Pickup>Easy to install>IP66 Waterproof monitor head, using waterproof MIC;>Built-in noise filter chip, high voice clarity;>Spiral design, hidden installation, conveniently fixed to the equipment panel, uneasy damage, convenient application;>8KV Air contact ESD, built-in Lightning Protection, power polarity reverse protection and power protection module.ModelDH-HAP120-VGeneralScope5mFrequency response20Hz~20kHzSensitivity(re 0dB=1V/Pa@1kHz)-43dBDefault gain44dBGain adjustment rangeNon adjustmentSNR(re 94dBSPL=1Pa@1KHz)58dB(A)Dynamic range74dB(A)Directional characteristicOmni-directionalMax. sustainable sound pressure110dB SPL(1KHz, THD1%)Output impedance100Ω(non-equilibrium)Output signal amplitude2.5Vpp/101dBSPLWorking voltageDC 12VWorking current60mAWorking temperature-30℃~+70℃(-22℉~+158℉)ColorSilverOuter shellAluminumProtectionIP66, IK10DimensionΦ35mmx50mm (Φ1.38”x1.97”)Weight60g(0.13lb)Carried standardCE/FCC