so i got the mackie cr3s and they don't have much bass so i thought i should add my old sub to it but i don't know how since i don't know much about audio, also i'm connecting them to my PC. any help would be appreciated thanks.
the speaker - https/www.amazon.com/Mackie-CR-CR3-Reference-Multimedia/dp/B00KVEIY4E
the sub woofer - https/www.newegg.com/Product/Product.aspx?Item=N82E16836113016
the motherboard - https/www.asus.com/us/Motherboards/ROG-STRIX-H270F-GAMING/
the speaker - https/www.amazon.com/Mackie-CR-CR3-Reference-Multimedia/dp/B00KVEIY4E
the sub woofer - https/www.newegg.com/Product/Product.aspx?Item=N82E16836113016
the motherboard - https/www.asus.com/us/Motherboards/ROG-STRIX-H270F-GAMING/