Compact 2-Channel Hum Destroyer, Behringer Microhd Hd400. BEHRINGER MICROHD HD400 Ultra-Compact 2-Channel Hum Destroyer Removes AC hum and noise - fast, easy and reliable Breaks ground loops safely, while keeping highest sonic quality 2 independent channels for 2 mono or 1 stereo signal Automatically converts unbalanced to balanced signals without signal loss High-quality components and exceptionally rugged construction ensure long life Conceived and designed by BEHRINGER Germany Whether you're recording or performing, it's important to keep AC hum out of the mix. No matter the quality of the venue's wiring, the BEHRINGER HD400 Hum Destroyer eliminates AC hum quickly and reliably. Mighty Hum Hunter The HD400 features two channels that can eliminate hum in two mono signals or one stereo signal. Try putting it between a stereo mixer and your power amps for a squeaky-clean sound free of AC hum. It breaks ground loops safely while maintaining the highest sound quality. It can even convert unbalanced signals into balanced without any signal degradation. A Hum Killer of a Deal This incredibly handy piece of gear is small enough to ride to the gig in your pocket. Pick up a HD400 today and make AC hum a thing of the past. Product Features Removes AC hum and noise - fast, easy and reliable Breaks ground loops safely, while keeping highest sonic quality 2 independent channels for 2 mono or 1 stereo signal Automatically converts unbalanced to balanced signals without signal loss 3-Year Warranty Program* 200 Watts of powerful, high-quality sound for audiences of up to 500 people. Input impedance approximately 500 k omega, Output impedance approximately 600 omega Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!