12â HYPER 200 SERIES SUBWOOFER Proprietary Heavy Gauge Stamped Steel âAlphaâ Basket Laminated non-pressed pulp paper cone EPDM surround for Enhanced Control at Extreme Temperatures Rated at 400 watts RMS / 1200 watts MAX 89 dB @ 1w/1m 50 oz Magnet Frequency Response: 25 - 500 Hz Single 4Ω 2â voice coils 8-gauge nickel plated input terminals Mounting Dimensions - Depth: 128mm / 5.04â [Through Hole: 278mm / 10.94â] Diameter: 318mm / 12.52â