visualized how Boss BP-1w Booster/Preamp works

Buffer switch was not added to the video because I did not see a difference. Browser(youtube) - UR22mk2(phone out) - Pedal - UR22mk2(mic/line input) - SPAN spectrum analyzer [no amp] 00:00 NAT vs RE mode 00:26 Level Min 00:54 Gain Min 01:33 NAT vs CE mode 01:38 Level Min 02:22 Gain Min