防水喇叭型号：HP040-4M-L018C-A规格：Φ40mmH12.3mm4Ω2W内磁

• Size： D 40 mm H 12.3 mm
• Impedance： 4 ±20% Ω
• SPL(1W 1m sine wave) 97 ±3dB(at 800,1000.,1200,1500Hz )
• Resonance frequency 780 ±20% Hz
• Frequency Range Fo~20KHz
• Rated input power 2 W
• Maximum input power 3 W
• Buzz & Rattle must be normal (at sine wave 2.82 V)
• THD MAX 5% (RATED POWER INPUT at1000HZ）
• Operating temperature -20~+60℃
• Storage temperature -20~+60℃
• Environmental Protection Regulation RoHS
• Stock No: L018