For car use (12V), connect to the cigarette lighter power supply. Direct connection to the car battery may result in noise. For trucks (24V), a step-down device is necessary to convert the voltage to 12V to avoid damaging the power amplifier. For home use, a 12V 2A power adapter is required.

Specifications: - Compact HIFI audio power amplifier. - Constructed from aluminum alloy, it has a sturdy build and a pleasant tactile experience. - The large knobs are equipped with blue LED lights, enhancing the aesthetic appeal of the product. - Low distortion ensures a clearer, more robust, and powerful audio output. - Features two main channel outputs, with separate interfaces for left and right speakers. - Compatible with AUX input.

Specifications: Model: AK270 Material: Aluminum Alloy Color: Black Channel: 2CH RMS Power: 20W x 2 Max Power: 200W x 2 Input Voltage: DC 12V >3A SNR: 85dB Distortion Rate: <0.4% Load Impedance: 4-8Ω Frequency: 20Hz-20KHz Size: 12.5*10.5*4.2cm / 4.9x4.1x1.7in (L*W*H)

Contents: 1 Power Amplifier