LOUDSPEAKER, ALU CONE, 1.8", Frequency Response Max:20kHz, Frequency Response Min:90Hz, Impedance:4ohm, Power Rating RMS:8W, Resonant Frequency:158Hz, Cone Size:1.8" (45mm), External Depth:26mm, External Diameter:45mm, External Width:61mm, Outer Diameter:21mm, Sound Level SPL:79dB, Weight:32g
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