Add to Cart Quick view SPEAKER CAR POWER ACOUSTIK 12" DFC 12 500W Power Acoustik MSRP: Now: $59.25 Was: Subwoofer Power Acoustik DFC-12 Speaker Power Acoustik DFC-12:- diameter 300 mm, (12 inches),- nominal / maximum power, W: 250 / 450,- resistance 4 Ohms,- sensitivity 92 dB.