蓝牙喇叭型号：HP045-4U-24004C-A规格：45mm4Ω3W 双耳

• Size： D 45 mm H 19 mm
• Impedance： 4 ±20% Ω
• SPL(1W 1m sine wave) 85 ±3dB(at 800,1000.,1200,1500Hz )
• Resonance frequency 200 ±20% Hz
• Frequency Range Fo~10KHz
• Rated input power 2 W
• Maximum input power 3 W
• Buzz & Rattle must be normal (at sine wave 2.8 V)
• THD MAX 5% (RATED POWER INPUT at1000HZ）
• Operating temperature -20~+60℃
• Storage temperature -20~+60℃
• Environmental Protection Regulation RoHS