There's are lots that seem come to highly recommended by Agoners - Velodyne, REL, James, HSU, ACI - the list goes on. Room size/shape, current electronics and speakers + their in-room bass extension would be useful information to provide so people could give you a better opinion.
What subwoofers are suited 4 audiophiles
I am looking for an accurate sounding subwoofer that will blend gently into my system and not be so noticed. Just a little boost in the lower registers that will add to my already accurate system. I am looking for an approaching lifelike sound from my set up while listening to jazz and classical and other acoustical vinyl recordings. What brands should I look at?