TB is a line out, it’s a five pin DIN. Adapt to RCA with https://www.amazon.com/CablesOnline-Olufsen-Quad-Stereo-Systems-BO-402K/dp/B00EG3XT64 to plug into a component amplifier

Oddly this is the second time this thread someone has asked about the others, apparently they are DIN 41529, they are speaker jacks. Connectors are https://www.amazon.de/-/en/Speaker-41529-Screwable-Black-Pieces/dp/B00DEDWSOQ you can solder those to your speaker wire. The unit has a small built in amp, controls on the right