Same Sky (formerly CUI Devices) CDS-5709-254SP 扬声器 57 毫米，9 毫米深，PET，稀土，2.5 瓦，4 欧姆，450 赫兹，焊接片

Impedance: 4 Ohms

Power Rating: 2.5 W

Cone Material: Paper

Termination Style: Solder

Frequency Response: 2.65 kHz

Self Resonant Frequency: 450 Hz

Maximum Operating Temperature: + 60 C

Minimum Operating Temperature: - 20 C