Ideal for enhancing sound quality in front, rear players, and navigation systems. [IMPROVED SOUND QUALITY] Utilizes high-performance amplifier chips to enhance output for increased low-frequency signals, delivering a superior audio experience [IMPROVED SOUND QUALITY] Utilizes high-performance amplifier chips to enhance output for increased low-frequency signals, delivering a superior audio experience. Ideal for enhancing sound quality in front, rear players, and navigation systems. Lowpass is to cut off the frequency that are higer than the setup value and pass the frequency that are lower than the setup value. NaviFly Universal Car Radio Multimedia DSP Audio Digital Signal Processor 4*80W Car Stereo Sound Amplifier Sound Amplifier Box If you are unsure, please contact us. Car Audio Enhancement Universal Android Navigation DSP Amplifier - 4x50W Car Audio Processor With Bass Boost Subwoofer Amplifier Input & Output DetailA variety of input and output interfaces, bring more and more fun music experience Accessories DetailsWhen you order, please let us know your car model, and choose the correct cable which fits for your car. Intelligent and Visual - DSP AmplifierDifferent as traditional amplifiers, DSP amplifier not just can amplify sound signal, and it can support visual adjustment, becoming more intelligent. [DSP CONNECTION TECHNOLOGY] Easily connect the original car and player using DSP universal connection ports for improved power and sound quality. Before ordering, please check your car radio connector and choose the appropriate power cables. Yiaieng 4X50W Car Dsp Digital Audio Processor 4 In 6 Out Dsp Car Power Amplifier For Car [HIGH POWER OUTPUT] A/B class amplifier technology with a maximum stable load of 2Ω, providing a high-quality audio output of 4X50W at 14., 4V at 2Ω, along with 4V signal output. ST7851 Amplifier4*48W/4 Ohm Max4*72W/2 Ohm MaxSuit for Most OEM peakers, make the sound more nice and dynamic. Let you creat a best hearing position.