Specifications: OUTPUT POWER (WATTS): 650W WOOFER: 15"BASSx2 INPUT: USB/SD CARD/FM IMPEDANCE: 4-8 OHMS SENTIVITY : ≥90DB QTY: 1PC/CARTON N.W (KG): 15 G.W (KG): 17 BOX SIZE (MM): 490x490x870