This Class AB 4-channel car amplifier delivers 80W x 4CH of powerful audio output, featuring a frequency range of 200Hz - 300Hz and an impressive SNR of 91-100dB. Designed with aluminum material and compact dimensions of 320*50*250MM, it integrates crossovers for enhanced sound control. It supports versatile functions like MP3 playback, EQ mode, AUX, and FM, making it ideal for upgrading car loudspeaker systems.