Dimensions 15×3.5mm AC Impedance 8±15%Ωat 2000Hz Rated Input Power 0.8W Max. input power 1.0W Resonance Frequency 850Hz±20% at 1.0V 88±3dB/0.1W 0.1M at 0.8,1.0,1.2,1.5KHz Average Frequency Response f0Hz~20KHz
Dimensions 9x5.5mm rated voltage 5VDC voltage 3 ~ 6VDC rated current ≤ 50mA output sound pressure ≥ 82dB generated frequency 2800 ± 400Hz Case Material PPO weight 2g
Dimensions 28x6.3mm AC impedance 8 ± 15% Ω at 2000Hz rated power 1.5W maximum power 2.0W resonant frequency 520 ± 20% Hz output sound pressure 90 ± 3dB Frequency Range Fo ~ 20KHz
Dimensions φ12x9.5mm rated voltage 3VDC voltage 2 ~ 5VDC rated current ≤ 30mA output sound pressure ≥ 85dB generate frequency 2300 ± 300Hz Case Material PPO weight 2g