I own a Logitech LS21 2.1. It has it's own speakers https://www.cnet.com/products/logitech-ls21-speaker-system-for-pc-wired-series/specs/
https://s5emagst.akamaized.net/products/1/877/images/img118993_29052013162527_0_450x450_hlsr.jpg
I was wondering if i can connect another pair of speakers 4...