Product ID KWG1532M1 Rated Power 0.5W Max Power 1.0W Resonant Frequency 800Hz± 20% Frequency Range f0-10KHz Sound Pressure Level 85± 3dB at 1.0KHz/ 0.1W/ 0.1M Impedance 8© ± 15% at 1Vrms, 1.5KHz Diameter Ø 15mm Height Weight 3.2mm