铁壳内磁喇叭型号：HP400504100-01A规格：φ40mmH5mm4Ω1W铁壳内磁弧形膜贴布喇叭

• Size： D40mm H 5 mm
• Impedance： 4 ±20% Ω
• SPL(1W 1m sine wave) 90 ±3dB(at 800,1000.,1200,1500Hz )
• Resonance frequency 380 ±20% Hz
• Frequency Range Fo~10KHz
• Rated input power 1 .0 W
• Maximum input power 1.5 W
• Buzz & Rattle must be normal (at sine wave 2.0 V)
• THD MAX 5% (RATED POWER INPUT at1000HZ）
• Operating temperature -20~+60℃
• Storage temperature -20~+60℃
• Environmental Protection Regulation RoHS