全频喇叭型号：HP078-4C-23001D-A规格：3寸布边古铜盆4Ω5W喇叭

• Size： D 78*78 mm H 37 mm
• Impedance： 4 ±20% Ω
• SPL(1W 1m sine wave) 91 ±3dB(at 800,1000.,1200,1500Hz )
• Resonance frequency 100 ±20% Hz
• Frequency Range Fo~10KHz
• Rated input power 3 W
• Maximum input power 5 W
• Buzz & Rattle must be normal (at sine wave V)
• THD MAX 5% (RATED POWER INPUT at1000HZ）
• Operating temperature -20~+60℃
• Storage temperature -20~+60℃
• Environmental Protection Regulation RoHS