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Orders & Questions Call 1-877-600-8657 (M-F)  Advanced Search Categories Athearn Upgrade Center Articles Lighting Parts Sound and DCC Bargains and Promotions Books, CDs, Videos Videos DC Analog Controllers LokSound / PCM / BLI QSI - Quantum Engineer DCC Components Accessories Circuit Breakers Computer Interfaces Decoder Harnesses Decoder Tester Incandescent Lamps LEDs Lighting Upgrade Kits Sound Upgrade Kits Athearn Kato Precision Craft Tower 55 Speakers and Enclosures Bass Enhanced 8 Ohm Enclosures Oval Enclosures Round Gaskets Round Speakers Oval 8 Ohm Speakers Round 8 Ohm Test Equipment Wiring aids Barrier Strips Connectors DCC and Sound Athearn DCC Specialties DCC Accessories Power Management Test Equipment Digitrax Accessories Boosters Detection/Signaling Mobil Decoders Power Management Power Supplies Sound Decoders Starter Systems Stationary Decoders Throttles (Cabs) Transponding Wire Harness LokSound Mobil Decoders Programmers and Testers Sound Decoders Speakers MRC Sound Decoders Speakers Starter Systems NCE Accessories Boosters Cabs (Throttles) Mobile Decoders Power Supplies Starter Systems QSI Programmer Q1A Chip Upgrade Sound Decoders SoundTraxx Baffles and Gaskets Sound Decoders Speakers TCS Mobile Decoders Wire Harness Locomotives - HO Scale Athearn Diesel Gas Turbine Broadway Limited Diesel Steam Intermountain Diesel Steam Kato Diesel MTH Diesel - DCC Ready Diesel - Sound Steam Turbine Precision Craft DCC / Sound Upgrades Diesel Steam Proto by Walthers Diesel Steam Locomotives - N Scale Kato Diesel Steam Rolling Stock HO Scale Branchline Trains Intermountain Railway Scenry - HO Rapido Telephone Poles Signals and Accessories BLMA HO Scale Tomar HO Scale N Scale Switch Machines & Acces. Circuitron - Tortoise Piano Wire Track Atlas HO HO Roadbed Peco HO Scale N Scale Ulrich Tractors and Trailers Kits Parts Ready-to-Roll Models Items in your cart Empty Amount in Cart: $0.00 Go to Shopping Cart Checkout		DC Analog Controllers > QSI - Quantum Engineer 1 product(s) for DC Analog Controllers:QSI - Quantum Engineer ( 1-1 of 1 ) DC Analog Controllers  |  QSI - Quantum Engineer Quantum Engineer      Price: $50.96 The Quantum Engineer enables control of DCC functions on a DC analog layout when running locomotives with QSI sound decoders.
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