When I asked about bass (speakers having full bass response) the salesman (who owns the shop) said "If you want bass you have to shell out the big bucks."
Is that it?
Is it necessary to spend $1000 per speaker or over to have audible, palpable, appropriate bass reproduction?
Good bass is really expensive. Just think about it - a good subwoofer is at least $3K if not a lot more. This is physics. You can get modest amounts of small speaker big bass sound from resonant designs which are underdamped for low cost - however this is really what I would call "fake bass". It isn't bad but it just doesn't sound like real musical instruments that's all.
I'd say I agree with your salesman if you are talking accurate bass reproduction. Big woofers in big boxes aren't cheap.