I made an instructable on how to hack the sonos ikea speaker to get a line level aux out. What do you think of it? Imo its probably wrong electrically speaking

I made an instructable on how to hack the sonos ikea speaker to get a line level aux out. What do you think of it? Imo its probably wrong electrically speaking summing the low and high frequency lines, but it sounds pretty good after truplay tuning. https://www.instructables.com/Cheaper-Sonos-Architectural-With-IKEA/ https://www.instructables.com/Cheaper-Sonos-Architectural-Wi...