2 JBL STAGE102 10" Car Subwoofer 225 Watt RMS 4 OHM bundle includes X2 JBL STAGE102 10" Car Audio Subwoofers. Price leading JBL Stage car subwoofers were engineered to deliver high-output, low-distortion bass with power handling capability of up to 1000 watts peak power. (Available in three sizes—8" (200mm), 10" (250mm), 12" (300mm)—for every size vehicle from compact to limo.) These subwoofers feature lightweight yet stiff polypropylene woofer cones with hi-roll rubber surrounds to provide high-efficiency and super durability to best interface with a variety of amplifiers. Finally, our subwoofers and loudspeakers are individually voiced by some of the world's best transducer engineers to ensure we achieve the signature sound that is unmistakably JBL. General Specifications Power Handling: 225Wrms, 900W peak Sensitivity (@2.83V): 89dB Frequency Response: 35Hz - 200Hz Voice Coil Diameter: 1.5 in. (38.8mm) Impedance: 4 ohms What's in the box? 1 x Subwoofer 1 x Foam gasket Owner’s manual 2x two-color brand stickers