Features: Experience clear audios with advanced DSP technology that optimizes real time sound processing, delivering 4x60W power output and 20Hz response for immersive car audios experiences.Car audios DSP amplifier features professional thermal dissipation, 110dB capability, and easy installation fit most vehicle models.Perfect for audiophiles and daily commuters seeking to upgrade factory car stereos, especially enthusiasts craving theater quality sound during drives.Enhances road trips and outdoor gatherings with theater grade acoustics, effortlessly connecting to mobile devices for vibrant music playback at campsites or BBQs.Outperforms plastic shell amplifiers through intelligent dynamic sound optimization and vibration resistant metal construction that maintains stable performances during extended use.Specifications: Material: Metal, PlasticInput: 12V-18V 3ASpeaker impedance: 4-8Voltages: 12VOutput power: 60wx4Sensitivity: 0.25mv-50mvInput impedance: 47KFrequency response: 20Hz-20KHzSize: about. About. 9.7x7.3x3.6cm/3.82x2.87x1.42inPackage Includes: 1 Set Car DSP Amplifiernote: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.