Okay these speakers confuse me not going to lie. My RP-160 had good bass in this same room on the same stands and same equipment. These sound thin comparatively. Concurrently with the 160 I had some Dynaudio Excite X14 which were puny little guys with a 5 1/4" woofer. I then sold both and got the Dynaudio Evoke 20 with a 7" woofer and they have been my main speakers for a couple years now. I once had a big old pair of Focal Electras in this room but they were too much so moved them to the home theater. So long story short, these sound more like the X14 with it's tiny woofer than the RP-160. I really like the imaging and soundstage of the RB-5 but they seem to have forgotten the bass. They sound like (good) mini-monitors, not 20 plus pound 8" bookshelves. Equipment is NAD C658 DAC/Pre, Nuforce STA-200 80WPC power Amp, AQ Rocket 88 72V DBS Speaker cables. Played CD, SACD and streaming music. Were these just designed to integrate with a sub despite their large woofers?