Behringer MicroHD HD400 Ultra-Compact 2-Channel Hum Destroyer Description BEHRINGER MICROHD HD400Ultra-Compact 2-Channel Hum Destroyer Removes AC hum and noise - fast, easy and reliableBreaks ground loops safely, while keeping highest sonic quality2 independent channels for 2 mono or 1 stereo signalAutomatically converts unbalanced to balanced signals without signal lossHigh-quality components and exceptionally rugged construction ensure long lifeConceived and designed by BEHRINGER GermanyWhether 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 HunterThe 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 DealThis 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. 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 Product Details: Brand: Behringer Number of Channels: 2 Item Weight: 0.4 Pounds Power Source: Corded Electric Manufacturer: ‎Behringer USA Part Number: ‎P0387 Item Weight: ‎6.4 ounces Product Dimensions: ‎4.08 x 2.25 x 1.26 inches Country of Origin: ‎China Item model number: ‎HD400 Is Discontinued By Manufacturer: ‎No Color: ‎Silver Style: ‎Reliable Power Source: ‎Corded Electric Item Package Quantity: ‎1 Included Components: ‎Hd400 Direct Box Batteries Included?: ‎No Batteries Required?: ‎No Warranty Description: ‎Please refer to http://www. Music-group. Com/warranty. Aspx. Date First Available: March 1, 2008