Apple acquired Beats last year and they should definitely introduce some major improvements in sound quality along with the player applications.
If you compare the price tags, the Surface Pro 3 is priced between $800-1500 depending on the type of processor used. Expectations suggest that the Apple iPad Air 3 should be priced between $450 and $750 for the Wi-Fi only model.
According to Venture Capital Post, there is a possibility that the Apple iPad Air 3 will be released in 2015 November. It is in accordance to the timeframe Apple usually follows while unveiling their latest products.
Stay tuned for more updates on Apple iPad Air 3!