How Do BOSS Waza-Air Headphones Work?Over the last few years, BOSS has dominated the digital amp market with its Katana series. First introduced in 2016, these versatile guitar amps have been universally-praised for their convincing valve sounds, high-quality built-in effects and incredible affordability. It’s no surprise they’re best-sellers not only for us, but worldwide! While the … Continue reading BOSS Waza-Air Headphones – Everything You Need To Know!