It’s an affordable wireless noise-canceling headphone showdown. In one corner we have the Cowin E7 Pro and in the other, the Strauss and Wagner ANCBT501. Which pair of cans is the best bang for your buck? I’ve been given the opportunity to try both, and listen to them for a good amount of time. I believe both models have a lot to offer, especially for their bargain price, and my philosophy is that each headphone has a sound for someone. However, I found the Cowin and the Strauss and Wagner to be very distinct in their timbre, even if both headphones function very similarly. So let’s ring the bell and begin this bout between the Cowin E7 Pro and the Strauss and Wagner ANCBT501. 
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https://majorhifi.com/cowin-e7-pro-vs-strauss-and-wagner-ancbt501-review/