蓝牙音箱喇叭型号：HP045-4R-4528C-C规格：45*45mmH28mm4Ω5W凸帽喇叭

• Size： 45*45 H 28 mm
• Impedance： 4 ±20% Ω
• SPL(1W 1m sine wave) 81 ±3dB(at 800,1000.,1200,1500Hz )
• Resonance frequency 225 ±20% Hz
• Frequency Range Fo~10KHz
• Rated input power 5 W
• Maximum input power 8 W
• Buzz & Rattle must be normal (at sine wave 4.47 V)
• THD MAX 5% (RATED POWER INPUT at1000HZ）
• Operating temperature -20~+60℃
• Storage temperature -20~+60℃
• Environmental Protection Regulation RoHS