Suggested Retail: $37.49. Pyle Compact Mini Hum Eliminator Box - 2 Channel Passive Ground Loop Isolator Noise Filter AC Buzz Destroyer Hum Killer w/ 1/4 IN TRS Phone XLR Input/Output Uses 1:1 Isolation Transformer - The Pyle Compact Mini Hum Eliminator Box is a 2 Channel Passive Ground Loop Isolator Noise Filter. It is designed to destroy AC buzz and reduce noise, providing a clearer sound. The device uses 1:1 Isolation Transformer and is equipped with 1/4 IN TRS Phone XLR Input/Output. It's a must-have for any music enthusiast looking to improve their sound quality. Brand: Pyle Model: PHE400 -- LOT STICKER: BB-BOX-PALLETBB543-ITEM-39a96818___LPNPMBZ3503335 Pyle Compact Mini Hum Eliminator Box 2 Channel Passive Ground Loop Isolator, Noise Filter,AC Buzz Destroyer, Hum Killer w 14" TRS Phone,XLR InputOutput, Uses 1:1 Isolation Transformer -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.