Do you have a question about the BORRESEN X3 and is the answer not in the manual?
Avoid metal objects near tweeter; use quality amplifiers within power limits.
Laminated carbon fiber and aramid honeycomb membrane for stiffness and sound quality.
Lay box flat, remove straps, open inner box carefully without sharp tools.
Use protective gloves, lift upright, slide out foam carefully to avoid tilting.
Use two-pole cables with 4mm plugs to binding posts on the rear.
Connect to switched-off amplifier outputs; use quality amplifiers to avoid damage.