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sound box speaker
1.Model:RB-B4020004G-018AR
2.Impedance:4±15% ohm At 1500Hz.1.0V
3.Power Rating: Normal:2.0W. Maximum:2.5W.
4.FO: 780±20%Hz
5. SPL: 101±3dB/1.0Watt 0.1Meter. Average At1000,1182,1504,2000 Hz
6.Frequency Range: 450~9,000Hz Average SPL-10dB
7.Distortion: 10% Maximum At 1000Hz. 1.0W.
8.Polarity: Diaphragm Shall Move Forward When Apply a Positive DC. Red “+” or“ Marked” Terminal
9.Operating Temperature: -20°C to +50°C
10.Storage Temperature: -25°C to+55°C
Portable sound box speaker