When I looked closely it turned out that the wire is not 4 AWG but more like 6 AWG almost 8 AWG. The insulation is very thick, so for small current requirements like 50-80 amps for a car radio it's fine, but more isn't good.
High-Quality 14AWG Braided Speaker Wire (15 Feet) With Dual Gold Plated Banana Plugs - Oxygen-Free Copper (OFC) Construction For Superior Sound - Black
15 Review
High-Quality BENFEI DisplayPort To HDMI Cable For Seamless Connectivity Across Lenovo, HP, ASUS, Dell And Other Brands!
18 Review
GoPro HERO9 (CHDHX-901), 23.6MP, 5120x2160, 1720 mA, black
32 Review
CableDirect TOSLINK Optical Audio Cable - Short 3Ft Fiber Optic Cable For Soundbars And Home Theater Systems
25 Review