My regular rig gives me a clear, big, undistorted sound, from the lowest notes into slapping high mids and top. Naturally, I would prefer that a small, convenient combo could provide a down-scaled version of this, but EVERY practice combo I have encountered has left me unimpressed. (So far I have owned or tried BA110, EBS Classic 60, Fender Rumble 40, Ibanez, Peavey, Asdown to name a few.) Typically, most of these small combos have a very low power (20-50W) amplifier, meaning that the designer is forced to select a transducer that has very high sensitivity to generate a tone that is at least audible when jamming with a couple of acoustics, a piano and speakers on sticks for vocals. Because, as dictated by Hoffman's law, a small cabinet will need much MORE power to generate the same SPL, if a certain frequency range is wanted. The designers generally seem to trade a lot of extension to get a certain SPL. The result is a very hollow sounding cab, with boomy, resonant upper bass and a cliff like roll-off at 100Hz or higher. Those cabs sound bad and bordering obnoxious at both low and high SPL. The better combos I have found, like the Markbass 121 ones, normally do not offer Aux in and headphones out. With their high power, deep bass they sound great, but they are aimed to be used on stage, not for practice. That is what the buyer profile tells us. Headphone practice? Sure, via a mini mixer then, I assume. So, finally I see the place in the market for the SVT Micro rig, the Markbass 801, Vox etc. Not very loud, not hifi, not full range, but a likeable bass tone that still sounds "professional". Not "the real deal", but at least free from cardboard mids, boxy lows, SS distortion. End rant.