Hum and Buzz in your Audio can be surprisingly complicated. That's why Morley makes the Humno and Hum Eliminator. Each devices tackles Hum & Buzz in it's own unique way. The Humno removes Hum & Buzz coming through the Power Line while the Hum Eliminator removes Hum & Buzz captured through your Audio signal. Now available bundled together, Morley guarantees these devices will be able to solve 90% of the Hum & Buzz problems you encounter on the road, on the stage and in the studio.