It is a good 15 "class product with high power and good sound parameters. Multipurpose use as a main standalone speaker. It can be used by loudspeakers, DJs, small orchestras and public institutions (theaters, community centers, youth centers, etc.) Main speaker of 3 "bobbin and high frequency 1.7" bobbin. Power 400W AES 8 Ω, 97 dB W / m.