The is a capable, compact active speaker set. The manual paints a picture of a product that is "plug-and-play" friendly with a surprising amount of digital connectivity (USB/Optical) usually reserved for more expensive audio gear.
To bridge channels 1 and 2, typically use the first positive (+) terminal and the second negative (-) terminal from the left. magnat classic 360 bedienungsanleitung 13pdf hot
Channels 1 & 2 for front speakers, Channels 3 & 4 bridged for a subwoofer. The is a capable, compact active speaker set