It s important that you can hear your music on stage. This wedge shaped 12 inch monitor delivers every sound clearly with a 12 inch speaker 4 x 10 Titanium Horn Driver a frequency response of 45Hz to 20 000Hz and 200 watts RMS 400 watts peak power. Great quality monitors are very hard to find especially at a decent price. The Seismic Audio brand was designed to make the professional musician as well as the musician low on cash sound great. With your purchase you will receive a single monitor pictured and described above. So put it in your cart today and get ready for years of trouble-free crystal clear sound!