noen som har prøvd denne subwooferen X-Ref 12 DSP Powered Subwoofer av emotiva...legger ved link her X-Ref 12 DSP Powered Subwoofer | Emotiva Audio | High-end audio components for audiophiles and videophiles, spanning 2-channel music systems, as well as 5.1 and 7.1 home theaters. Products include multichannel amplifiers, stereo amplifiers, and monob