重低音喇叭型号：HP078-4R-0579D-E规格：3寸4Ω30W橡皮盆锅底帽喇叭

• Size： D 77.5 mm H 53 mm
• Impedance： 4 ±20% Ω
• SPL(1W 1m sine wave) 84 ±3dB(at 800,1000.,1200,1500Hz )
• Resonance frequency 100 ±20% Hz
• Frequency Range Fo~10KHz
• Rated input power 30 W
• Maximum input power 35 W
• Buzz & Rattle must be normal (at sine wave 10.9 V)
• THD MAX 5% (RATED POWER INPUT at1000HZ）
• Operating temperature -20~+60℃
• Storage temperature -20~+60℃
• Environmental Protection Regulation RoHS
• Stock No: 0579