Sonic Boom toy review from Squirrel Stampede! Sonic Boom Space Suits; Sonic, Knuckles, & Tails Metalic 3-Pack. Space suit Sonic and Parallel Universe Dr Eggman in Green 2-Pack! Space suit Knuckles and ...

Everything about the X-59 is designed to create a quiet sonic boom at the test point of Mach 1.4 (1,074 mph) at 55,000ft (16,800m), which is in the range a commercial aircraft is likely to fly.