Description:To improve the customer experience, this power amplifier is equipped with high fidelity and low distortion, which can provide a clearer and more shocking sound.Through Bluetooth-compatible wireless connection and remote control, this power amplifier is very convenient to use.It is made of high-quality aluminum alloy material, which makes it durable to use.The length of the power amplifier is 15.5cm, the width is 8.5cm, the height is 4.5cm.It is used for entertainment in car, home, home theater, etc.Item Name: Power AmplifierMaterial: Aluminum AlloyFeatures: HiFi, Digital Display, High StrengthModel Number: AK380Bluetooth Version: 5.0Input Voltage: DC 12VImpedance: 4-8ΩRated Power: 40W+40WMax Power: 400W+400WRated Frequency: 20-20kHzResolution: 47KDistortion Rate: 0.1Signal to Noise Ratio: 90dBAudio Channel: 2 Channels (2.0)Support: SD Card, U Disk, AUX Input, MP3 Format Playback, FM Stereo Radio, Bluetooth-compatible Wireless ConnectionSize Details: 15.5cm x 8.5cm x 4.5cm/6.1\" x 3.35\" x 1.77\" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Power Amplifier1 x Remote Control1 x User Manual