KQ Dixie is a 6-Operator FM synthesizer that is modeled on the synthesizer which appeared on the 1980s. FM synthesizers make sounds with Frequency Modulation. FM brings rich and brilliant sounds which are impossible to create with analog one. It makes very complex waves with simple modulations. The same method is used for a radio. The synthesizer gained much popularity in the 1980s. This app lets you make sounds freely with 156 voice parameters. Almost all parameters are compatible with DX7. No guarantee with 32-bit devices. *** Not compatible with iPhone 4S. *** Audio Unit v3 compatible. Audiobus compatible. 32 algorithms included. You can manage the hardware DX7 when it is connected with external MIDI cables. Supports DX7 System Exclusive Messages (SysEx) and syx files. Supports Zip files. You may be able to find a lot of patches on the internet. Yamaha DX7 is a trademark of Yamaha Corporation. I have no business relations with Yamaha.