Whirlwind LM2U converter box connect Turntable cassette CD player to Mixer USA This handy interface box can be used to match consumer-grade audio devices (-10dB) to pro equipment (+4dB). Connect a turntable, Cassette deck or DC player to a mixer or pro audio set up. These units convert the level and provide the conversion from balanced to unbalanced operation and vice-versa. Features XLR, TRS mini, and RCA phono jacks Level controls Active circuitry, powered by Whirlwind PS24 supply (included) Echotone Music LLC has been a professional E-commerce Audio Visual Equipment dealer since 1998. We take pride in selling Pro Audio gear for clubs, concert, and broadcast applications. Shipping -Pro packed shipped USPS, UPS or Freight Service. Contact us pay for air mail 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- 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 without 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, computer Cards, vacuum tubes, earbuds, raw-frame speakers, turntable cartridges, fog fluid.