Allen Heath AH-AR2-84-BLK 8 x 4 Preamp Remote AudioRack I/O Expansion Rack AR84 is an 8 XLR input, 4 XLR output AudioRack, compatible Qu, Avantis and SQ mixers, and with the AHM-64 audio matrix processor. Adding an AR84 to your system lets you position some of your I/O up to 100m from the mixer, connected over a single Cat5 cable running Allen Heath?s dSNAKE protocol. dSNAKE provides control to the remote preamp, and all mic preamps are scene recallable. Features: 8 Mic Preamps on XLR 4 XLR Line Outs dSNAKE Connection with locking Ethercon port Rack mountable Echotone Music LLC is an experienced E-commerce Audio Visual Equipment dealer since 1998. We take pride in selling Pro Audio gear for musicians, sound engineers, production companies and broadcast applications. Shipping -Pro packed shipped USPS, UPS or Freight Service. Contact us pay for 2 day air upgrade on any unit. We are working hard to get your product ( built if needed), processed shipped. Processing times vary, 2-30 days Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided. Otherwise customer pays for return shipping. Returned items must be sealed/unopened to qualify for a full refund. Refunds are for the Item cost only. Gear returned with out all its original packaging, accessories or shows signs of wear, is subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. What products can not be returned? - International Sales Clearance items, Custom Builds, Road Cases, DT12 items, items identified as non-returnable, discontinued items, used or NOS items, electronic software downloads, demo gear, computers, vacuum tubes, earbuds, harmonicas raw-frame speakers, turntable cartridges, fog fluid