Active bass trap. Piano black. New condition (without box).
Asking price is 800€ .
Free acoustic measurements and tuning in the Attika area.
Excellent solution for taming low freqs. in rooms with analogue systems (without dsp).
For info:
https://www.stereophile.com/content/music-round-31-page-2
https://www.mixonline.com/technology/field-test-bag-end-e-trap-electronic-bass-trap-370313
https://www.stereo.net.au/forums/topic/261966-active-bass-traps-experiments-with-the-bag-end-e-trap/