Used Whirlwind QBOX

Used WHIRLWIND QBOX in great condition, ready for dependable audio line testing and troubleshooting. This compact handheld tester provides an XLR mic input with switchable phantom power, a 1/4" instrument/line input, and balanced XLR line output to quickly verify cables, signal flow, and levels on stage or in the studio. Rugged, easy to operate, and ideal for engineers who want fast, accurate checks without hauling extra gear.