Yes the unit does have the ability to adjust the bass level by dB, but even when turned up to max on both the amp and sub (just testing out) there is almost no bass. I went through every setting I could find with no luck. I guess I'll keep poking around. :)
I recently purchased a Motorola DCP501 (discounted all one unit) and it's also my first venture into DTS. It seems that any DVD's that I play with a DTS track has almost no bass. I'll switch from DD to DTS and DD will be booming and alive, but almost nothing from DTS. I reviewed the manual...