Speakers with deep/powerful bass

My Focal Stella Utopias have no trouble energising my 'difficult' room.

They each use a 13.5 inch field coil bass driver, similar to the 18 inch one in the Grande Utopias. I'm a fan of drum and bass, a genre where the melody is in the sub-bass region, as wel, as root rockers and dub reggae, plus deep house. No other genres require more ,well-controlled, deep bass

My speakers are supported by four 18 inch Velodyne dd18+ subs, in stereo bass stacks alongside my main speakers.  I reckon I've got sota bass.

There's no replacement for displacement.

I have a pair of Altec Lansing VOT's driven by a Conrad Johnson Premier 4. I put on Aurthur Browns 'Fire' and give it the 'match test'; I hold a match about 1" from the woofer dustcover and the turbulence blows out the match. Yes, there is bass.

Legacy audio Focus XDs, dual 12 inch subs with active 700w per channel, my house and walls rattle, shake and boom like never before, especially with electronic music. Absolutely the best sounding and most realistic sound pressure level speakers for the money of any speaker I have heard. 

Bleh, 30 years ago I had some panasonics I bought at a PX.

they had either 18 or 20” woofers, 5 or 6 inch midrange and a horn tweeter with 3 buttons on the top for selecting which got more power.. drove em with Carver Silver Seven-t monos.

Those things were… loud and shook the rental house I had after ets..

cracked a few of the windows… the owner was not happy with me.. 22 and height of the rock era “and we had some fun.” I cannot even remember where or when I downsized.. but I always liked those speakers.