About USB MP3 Speaker Prodcuts Description
Features
* Rated Impedance: 4±0.5Ω
* Output Power: 2.2W*2(1KHZ, THD10%)
* Supply Voltage: 5V(4.5-9V, 4*AAA and PC USB)
* Circuit Current: ≤600mA
* Frequency Response: (150HZ-20KHZ)
* Degree of Dissociation: ≥45dB
* Supply Voltage Rejection: ≥48dB
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