2X lNFINITY KAPPA 800W 8" CAR 3200W SUBWOOFER - SELECTABLE 2 OR 4-OHM IMPEDANCE | eBay
Infinity KAPPA 1000W 1800W Peak (450W RMS) 10" Kappa Series Car Subwoofer NEW 50667371326 | eBay
Infinity Kappa 1000W Kappa Series 10" subwoofer with selectable 2- or 4-ohm impedance at Crutchfield
These are the specs of my Sub(Infinity Kappa 1000w) paired with xm-gs100 amp, everything set to 4ohm, i find the bass to be lacking and it's all boomy even this feels empty,
Infinity Kappa Series Subwoofers | CES 2016 - YouTube
Infinity KAPPA 800W | 8" High-Performance Car Audio Subwoofers | Frankies Auto Electrics