Class AB RMS Power @4 Ohm 100Wx4CH RMS Power @2 Ohm 140Wx4CH RMS Power @4 Ohm Mono 280Wx2CH Bandpassfilter 20-5000hz Multiple ways of protection design, Eliminate hidden dangers! Class AB PCB Design, Sound good with Strong bass, and achieve the treble is pure and bright. Design of wide operating voltage from 9v-16v, Widely usable. Adjustable and selectable LPF/HPF, Wide adjustable range. Double sided PCB design and SMT technology, reliable and stable performance. 2 Ohms minimum load for full range. Remote control design. Bandpass filter.