NEW JBL STADIUM-122SSI 12" Subwoofer, 2 or 4-Ohm, 500W RMS
12" high-performance car subwoofer. Power handling: 500 watts RMS (1500 watts peak). United States. NEW IN BOX. SSI (Selectable Smart Impedance): 2 or 4 ohms switchable. Top-mount height: 0.578". Top-mount depth: 7.117".