57mm, Square Frame, 0.25W1/4W, 8Ω, Ferrite Magnet, Paper Cone
8 Ohms General Purpose Speaker 250mW 380Hz ~ 8.1kHz Top Round
得捷: SPEAKER 8OHM 250MW TOP PORT 86DB
立创商城: GF0576
艾睿: Speakers Ferrite 380Hz 0.5W 86dBA 8Ohm Square Solder Pad
CUI