Polk Audio Monitor XT20 : Sound Test - Electronic music

Denon AVC-X3800H - Pure Direct
Only Amplitude adjusted (increased) in Audacity, no equalization.
-mic 2x BEHRINGER B-1
-sound card Behringer U-Phoria UMC404HD
-distance 33 cm from speaker
-point - between tweeter and bass
-speaker (L/R) distance cca.1,6 meter
-treated room, dumping material (no empty concrete walls)