Bass is/can be directional. Someone here mentioned, it’s the fundamental AND the overtones that give bass directionality
For music, I am a fan of a pair of mains, no ports, and a pair of self-powered subs, located with the mains for stereo bass.
For video, a single self powered sub can be enough.
For music, I am a fan of a pair of mains, no ports, and a pair of self-powered subs, located with the mains for stereo bass.
For video, a single self powered sub can be enough.