89 3.5mm gold plated audio jack. 36mm speaker, Neodymium magnet. Oxygen Free Copper Cable, Nominal power: 2.5mW. Frequenzy: 20Hz-20kHz. Sensitivity: 95dB-1kHz. DIMENSIONS- 180 X 170 X 70 MM | IMPRINT- ΓΈ21 MM
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