Features: Elevates your automotive sound experience with our 31 band car amplifier, a wireless enabled sound processor that delivers lossless sound qualitys for unparalleled in car music journey. Featuring 4 x 55w power output, this amplifier boasts a high signal to noise ratio of over 105db, low distortion under 0.01%, and a wide frequency range from 20hz to 20khz, ensuring clear sound reproduction. For audiophiles and car enthusiasts who demand superior sound fidelitys, this amplifier allows for sound tuning to matchs individual preferences and enhances listening pleasure. Perfects for long road trips or casual drives, the cardsp5.2 connect seamlessly via wireless, transforming your vehicle into a moving concert hall with hifi sound that enriches every journey. The amplifier user friendly design ensures easy installation across various car models, while its 10 channel output and multichannel encoding cater to advanced sound setups, making it a must having for professional automotive sound installers. Specifications: Component:ABS Size:Approx.186.7x140x43.4mm/7.35x5.51x1.71inch Color:Black Working voltages: DC10.5V-16V Signal-to-noise ratio: greater than 105dB Impedance: 4 Power: 4 x55W Frequency range (Hz):20-20000 Deformation degree: less than 0.01% Resolution: greater than 99dB Sound coding: multichannel Note: If the product needs to be linked to a mobile phone, after placing the order, contact the seller to send the software. Package Includes: 1Set Car Amplifier note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.