全频喇叭型号：HP078-8F-0173D-A规格：3寸/79*79mm 8Ω3W方形浅盆泡边黑亮帽喇叭

• Size： D 78*78 mm H 28 mm
• Impedance： 8 ±20% Ω
• SPL(1W 1m sine wave) 93 ±3dB(at 800,1000.,1200,1500Hz )
• Resonance frequency 160 ±20% Hz
• Frequency Range Fo~10KHz
• Rated input power 3 W
• Maximum input power 4 W
• Buzz & Rattle must be normal (at sine wave 4.89 V)
• THD MAX 5% (RATED POWER INPUT at1000HZ）
• Operating temperature -20~+60℃
• Storage temperature -20~+60℃
• Environmental Protection Regulation RoHS