Pyle PHE400 2CH HUM/NOISE ELIMINATOR

• Removes AC noise - removes 60-Hz AC hum caused by ground loops that act like radio antennae (loop antenna); breaks the ground loop safely, making it impossible for the signal lines to pick up the AC noise in the first place;• Passive device - does not require power to operate; equipped with 1/4-in. TRS phono and XLR inputs and outputs on 2 channels; automatically converts unbalanced to balanced signal without any signal loss ;• Compact design - high-performance, ultra-compact and portable design allowing you to easily bring it anywhere; uses-high quality components, steel chassis, and rugged construction while maintaining the highest sonic quality;• 1:1 isolation transformers - breaks the ground loop or the loop antenna that prevents buzz for a clear sound; also responsible for balancing audio lines; accepts mono or stereo connections;• Dimensions: 7.25 in. W x 2.5 in. H x 6.25 in. D;• Worry-free shopping - 30-day money back guarantee, no questions asked;