This includes a bigger sensor size, increase to 60FPS in 4K, better low-light performance, swappable microSD card, and tons more. In virtually every way, it’s a very substantial and solid upgrade. But, that’s only half the picture. You see, the price is now $449, the same price as the Ace Pro 2, and even more critically, now the most expensive action cam on the market, above even the GoPro Hero 13 Black & DJI Action 5