Welcome to QS Industries

Electronics for Model Railroading
Since 1983

    New product is on hand, and available for immediate sale, direct from QSI.

  • Titan-U universal HO sound decoder. $129.95
  • Titan-DO sound decoder for 2-rail O scale. (same as used by Sunset Models.) Also works great for most G-scale equipment. $209.95
  • Quantum Engineer for DC powerpacks. $99.95
  • Quantum Programmer. $89.95
Please direct all questions and orders to our new email address.
Dealer inquiries welcome.
Please note QSISolutions continues to be unresponsive, and QSI is not responsible for any issues you may have with them.
All QSI products include wire harness and 100% functional testing prior to shipment. In many cases, we can pre-program for you. Units damaged by installation errors are subject to a replacement fee. If you need support, drop us an email or come see us at the QSI Yahoo Forum. We monitor this site daily.

The contact us tab works too.
Talk to us.
© 2017, Q S Industries, Inc.