Looking for detailed how to update firmware on my mains L/R DSP5500 (boards updated to 96/24). Also, how to determine firmware version loaded currently?
I don't want to brick the speakers with a bad process. grin

Trinnov Altitude 16, 271, DSP7200SE front L/R, DSP7200SE HC center, 556 amp for rear surrounds, Magnetar UDP800 universal disc player, REL Acoustics Subwoofer Carbon Special, ROON Nucleus One,
Direct TV satellite box, Xbox One S, Nintendo Switch, Sony XR 77A80J OLED