Product links in pinned comment below.

See also, "Audio Cables for Beginners pt 2: Balanced vs. Un-balanced"
   • Audio Cables for Beginners Ep.2: Bala...  

Table of contents:
0:00 Intro
2:20 Objectives
2:39 Solution 1: Unbalanced Signal Using RCA
4:10 Solution 2: Dual Active Direct Box
6:14 Solution 3: Small PA Mixer
8:50 Solution 4: Plug into existing DJ gear
12:44 Other scenarios: Working with sound engineer
13:37 Other scenarios: When the venue has a PA mixer
13:59 Other scenarios: When the venue has a large PA mixer
14:33 Other scenerios: Can you use the RCA input on powered speakers?