I bought this cable along the power cable at a 90 degree angle (Safe DTap to 90 Degrees Right Angle 2 Pin Male). In my opinion, both cables are essential to improve the ergonomics of your setup. Thanks to the 90-degree connectors, they don't protrude at all (maximum 0.5 inches), making your camera's ergonomics more comfortable (if you're using regular cables, be prepared to leave 2-3 inches of cable slack before you can do nothing) or stand behind the camera. In terms of sound quality, I didn't notice any extra noise or hiss. Besides, they were a pleasure to deal with. They accept individual requests and react very quickly.
GoPro HERO9 (CHDHX-901), 23.6MP, 5120x2160, 1720 mA, black
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