Astro C40 TR review: a PS4 pro controller to rival the Xbox One Elite - The Verge
The Astro C40 TR PS4 Controller Has Swappable Analog and D-Pad
Amazon.com: ASTRO Auxiliary Gaming Certified Manufacturer Refurbished C40 Tr Controller - PlayStation 4 : Video Games
Astro C40 TR Wireless PS4 Controller Review - IGN
ASTRO Gaming C40 Tr PS4/PS5 Wireless Controller for Sony PlayStation 4 and PC | eBay
PlayStation - The Astro C40 TR PS4 controller is available now, featuring swappable sticks and D-pad, plus back-of-controller buttons you can re-map on the fly: https://play.st/AstroC40TR | Facebook
The C40 TR Controller for PlayStation 4 and PC || ASTRO Gaming - YouTube
Astro C40 TR controller review: Is it worth the money? - Polygon