DB Drive K610d4 10" 1600W 4Ohm Okur K6 Series Subwoofer * 1600W max * 2.5" 4-layer 4Ohm DVC * High-temperature voice coil * KSV voice coil former * Heavy-gauge stamped steel basket * Injection-molded PP dust cap * Heavy gauge spring terminal * High-excursion butyl rubber surround