Dtronics is a Dutch company based in Haarlem, Netherlands, operating under the parent trade name Engineers@work (alongside sister brands SynthCity and Retrotronics). The company specializes in dedicated hardware programmers and MIDI controllers designed to give hands-on parameter control to classic synthesizers that originally shipped with limited front-panel interfaces.

The brand is best known for its DT-series programmers, which pair with specific vintage and modern synths. Notable products include the DT-7 for Yamaha's DX-5/DX-7/TX-7/TX-802/TX-816 FM synthesizers, the DT-81Z for the Yamaha TX81Z, the DT-RDX for the Yamaha Reface DX, and the DT-200 and DT-300 for the Roland JX-3P and Alpha Juno series. Dtronics has also produced programmers for the Roland MKS-30, MKS-50, MKS-70, JX-8P, JX-10, GR-700, D-50/D-550, and the Roland Boutique D-05.

Beyond programmers, Dtronics offers MIDI utility tools such as thru boxes, mergers, MTC converters, and USB MIDI-to-sync devices, as well as replacement power supplies for vintage drum machines and synths including the Roland TR-909, TR-808, Juno-106, and Linn units. The company designs and develops its hardware and software in the Netherlands.

Dtronics has 4 products cataloged on Equipboard, including Sound Modules, MIDI Interfaces, and Distortion Effects Pedals. Their gear is featured by 3 artists, with the strongest followings in Electronic. Notable users include Legowelt, Cinthie, and DJ TECHNORCH.