Too much bass.

DAC: MHDT Laboratory Havana
DDC: Singxer SU-6
Amp: Sugden A21i Signature
Speakers: Harbeth P3ESR
Subwoofer: SVS 3000 Micro (volume on -25dB, should be -29dB. :) )
Cables: Nordost, Audiomica, Audio-gd