I just got a chance to listen to Monster’s forthcoming Katana, a six-speaker, 400-watt (!), Bluetooth system, and it’s incredible. A Bluetooth audio system has never sounded better. Monster’s new ...

Boss has expanded its Katana series with a take-anywhere 10-watt guitar amp that might be super-portable with a compact 5” speaker, but promises “full-bodied” electric guitar tones. We say electric ...