Multipurpose testing device for AES-3, S/PDIF and analog audio signals The Whirlwind Qbox-aes is a multipurpose testing device for troubleshooting AES-3, S/PDIF and analog audio signals. The Qbox-aes... View more
All in one audio line tester/generator/intercom Since its introduction in 1997 the Qbox has become one of Whirlwind's most successful "Black Boxes" ever.. The Qbox is the all-in-one audio line tester... View more
