kopul lt-pdi laptop one-channel passive direct box (caja directa) – converts unbalanced to balanced audio, ideal for computer, stereo di box, clean audio signal for pa systems is up for auction in Musical Instruments. The current bid is $1.00, 98% below the $44.99 MSRP, in As Is condition. Bid on this item at our Dayton - Edwin C. Moses Blvd. location before the auction closes.