Intro
Having had a wonderful impression of the current state of Bluetooth-powered sound with the Brainwavz BLU-100, I felt it was time to take a look at something a bit higher-end. Fast-forward about a couple weeks later, and here I am with the Sport-Fi X7. Will these $80 Bluetooth IEMs catch up to the competition, or will they get left biting the dust? Read on and find out!