Hi efficient speaker, bass problems

"Is it me , whenever I hear low efficient speakers they don't seem to have a grip on the bass like less sensitive units ?"

What's less sensitive than low efficiency? Super low efficiency I guess. Or ultra-low efficiency. The wayward audio industry has been going in the ever less efficient and lower and lower impedance direction for years. And the manufacturers and dealers wonder why the ship is sinking.......... Yes, it's you. But no tongue lashing, I'm entitled to my wayward misconceptions just like you are.

Boy T M please rewrite your post. Efficency and sensitivity are not the same but not different only opposite. Thus bass is not opposit only different ? ? ?

Viridian ... Your right , you are entitled to your wayward misconceptions .

I am not sure what you're asking. Your title says hi efficient but your post mentions low efficient speakers not having a grip on the bass.

My experience tells me that bass control is a function of the amp, and preamp to an extent. I use very hi-eff speakers and get very good control, definition, and impact from a mix of PP and SS amps.

As to your question, I will assume you meant that you don't hear bass control from hi-eff speakers. I posit that most of what you're hearing is probably due to the speakers being driven by SET or some other underpowered amp. Just a guess.