Open box - JBL 18SWT5600 2800W RMS 18" Tornado Series 4-ohm Car Subwoofer
JBL 18SWT5600 (Open-box, Like New). 5600W Peak (2800W RMS) 18" Tornado Series 4-ohm Car Subwoofer. 18" Single 4 ohms Tornado Series Subwoofer. RMS: 2800 watts. Series Tornado Series. Subwoofer Specifications.