Whirlwind Direct 4 Deluxe 4 channel Direct Injection Stage Box TRHLM Transformer Made in USA Perfect for converting unbalanced signals from multiple instruments, keys, acoustic guitar preamps, CD and tape players, computer sound cards, etc. The input and output grounds of each section are isolated from each other. This allows the DIRECT4 to be used as if it were four completely separate DIs without fear of creating ground loop interaction. Each section features: 1/4" parallel wired in/out jacks Ground Lift switch to help eliminate hum and buzz Filter switch to help reduce amplifier noise and hiss -20dB pad switch for connection to "hot" input signals Uses Whirlwind's TRHL-M transformer with metal shield The input and output grounds of each section are isolated from each other. This allows the DIRECT4 to be used as if it were four completely separate DIs without fear of creating ground loop interaction. Model # - DIRECT4 Impedance Ratio (input to output): 133:1 Frequency Response: 20Hz-20kHz 1dB Level Change (input to output): -20dB (pad out), -40dB (pad in) Type: Passive ----------------------------------------------------------------------------------------- Echo tone Music is a long time E-commerce Audio and Musical instrument dealer since 1998. We take pride in selling quality gear for musicians, sound engineers and broadcast applications. Shipping --Items are well packed and shipped USPS, UPS or Pallet Freight Service. Items purchased on Friday may not ship until Monday or until the projected processing period. We are working hard to get your unit Built ( if needed), processed and shipped. Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided, otherwise customer pays for return shipping costs. Returned items must be sealed/unopened in original, brand-new condition, showing no signs of wear or use such as belt-buckle or pick scratches, scuffs, dings or scrapes, screw mount marks or collateral materials. Items must also include all original packaging, manuals, warrantees and accessories or your return may be subject to a return handling charge. If the item was listed as free shipping then the cost of the shipment will be deducted from the units original cost. Gear returned with out all its original packaging, warranty cards and accessories or that shows signs of wear from use, will be subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. The following products cannot be returned - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items, electronic software downloads, demo gear, strings, reeds, computers, tubes, earbuds, earplugs, recorders, harmonicas, raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids, clothing/footwear, body jewelry, sheet music, cleaners, polishes and polishing cloths, software/soundware, books, CDs, DVD's, vinyl records, and videos. Happy customers, that's music to our ears!