头戴式耳机喇叭型号：HP4019N32ZK规格：Φ40mmH7.5mm32Ω中孔耳机喇叭

• Size D 40 mmH 7.5 mm
• lmpedance 32 +20%
• Resonance frequency 500+20%
• SPL(dB 1mw CRY6125Y 1KHZ 0.1 W /0.1 M) 112 ±3dB(at 1.0KHz)
• Rated input power 3 0 mW
• Maximum input power 5 0 mW
• Buzz & Rattle(AT 0.3V Sine wave between) Must be normal at program solrce . 20Hz ~ 3000Hz 0.3V
• THD MAX 5%
• Operating temperature -20~+60-C
• Storage temperature -20~+60°C
• Environmental Protection Requlation RoHS