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China Mini Speakers Manufacturer,Promotional Custom Imprinted Mini Speakers,Advertising Mini Speakers,discount Mini Speakers supplies |
Specifications: 1) Output: RMS 4W x 2 2) Impedance: 4Ω 3) S/N ratio: ≥75dB 4) Speaker unit: 2" x 2 5) Isolated rate: ≥45dB 6) Free accessories: one USB power cable, one AV extended cable 7) Power supply: DC5-9V / batteries (optional)