New Upgrade 4.1CH Mini Power Amplifier Audio Karaoke Home Theater Amplifiers Home Car Amplifier USB SD AUX Adapter Aluminum Noise Smartphone

Model
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Plug Type
US Plug

This model is identified as S-299 and has an article number of 299. The power adapter is compatible with a wide range of voltages, from 100 to 240V. It operates at a rated voltage of 12V and a rated power of 40W multiplied by 4. The rated frequency ranges from 20 to 20KHZ, with a resolution of 47K and a distortion rate of 0.4%. The signal to noise ratio is 80dB, and the impedance is between 4 and 8 ohms. The material used is aluminum alloy, and the interface type is clip.