Doepfer is a German company that manufactures electronic music instruments, including analog synthesizer modules.

Their line includes:

• Analog Modular Systems
• MIDI Controller
• MIDI Hardware Sequencer
• MIDI-to-CV/Gate/Sync Interfaces
• MIDI Masterkeyboards
• MIDI Special Equipment

Doepfer is known for making inexpensive versions of classic analog equipment. The Doepfer Analog Modular System has an extensive array of available modules, including vocoders, theremin, spring reverb, fixed filter bank, triple resonance filters, sequencers and more.