Amp with digital in, above single tpa 3255 chipped amp in sound

[gasolin75]

Something like this Even when i had room correction ypao didn't make bass better,no more bass

https://www.stereonet.com/forums/topic/296837-yamaha-amp-lacking-low-end/

https://community.klipsch.com/topic/194984-rp-8000f-yamaha-a-s801-%E2%80%93-extremely-underwhelming-low-end/

 

[Ruediger]

These amps are no AVR and have no YPAO.

Some randos on the net have problems with their setup. You think based on that these amps have something very unlogic like a fixed highpass? They have bass/treble knobs - bypassed in pure direct anyway - but a chance for user error.