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Inspired by the legendary mono analog synth from the golden era. Faithful recreation in sound wise and packed with modern features to make it fit in nowadays music production and performance scenes.
- Inspired by iconic monophonic subtractive synthesizers, the ESSENTIAL L1 delivers timeless, powerful sound.
- Equipped with the renowned 3340 VCO, 3109 low-pass filter, and high-performance 662 VCA for exceptional bass, lead, and beyond.
- Experience a streamlined audio path designed for modern efficiency and classic sonic depth.
- Snap2Connect (S2C): Cable-free connectivity for unmatched convenience.
- Securely attach compatible keyboards like the KB-32M (sold separately) via magnetic docking.
- Easily swap user interfaces as the S2C ecosystem expands. Simplify your setup without compromising performance.
- Two velocity-sensitive, 4-phase envelope generators and a synchronizable LFO push creative boundaries.
- Merge ENV1 and ENV2 for classic synth authenticity or explore new possibilities with retriggerable envelopes.
- Introduces DRONE mode for ambient soundscapes or processing external audio through EXT. IN.
- No menu-diving required: Enjoy direct control of parameters via a thoughtfully designed front panel.
- An OLED display ensures real-time feedback and intuitive adjustments.
- Step sequencer improvements ensure seamless creativity, inheriting the ESSENTIAL series’ user-friendly philosophy.
- 64-step sequencer with SONG MODE supports 128 patterns and loads up to 4 per song.
- Five arpeggiator modes (down, up, random, and more) with three octave ranges for endless musical variety.
- Trigger Edit unlocks unique rhythmic patterns for fresh, dynamic performances.
- All-in-one connectivity for diverse setups: EXT. IN, MAIN OUT , HOLD PEDAL , MIDI I/O (mini TRS, Type-A) , USB (Type-C) , SYNC I/O , CV OUT , GATE OUT , PHONES
- Seamlessly integrate modular synthesizers or external audio inputs for limitless expansion.
- At less than 900g and only 30 mm high (excl. caps), the ESSENTIAL L1 is built for musicians on the move.
- Compact, lightweight, and travel-ready, it ensures your sound can follow you anywhere.


ESSENTIAL L1: Redefining Synth Power for Everyone
1. LEGENDARY SOUND, NOW FOR EVERYONE
2. INTRODUCING: S2C SYSTEM
3.MORE MODULATION = MORE VARIATION
4. MODERNIZED USER INTERFACE
5. 64-STEP SEQUENCER + 5-MODE ARPEGGIATOR
6. EXTEND THE SETUP, EXPAND YOUR IDEAS
7. TAKE IT ANYWHERE, ROCK ON EVERYWHERE















- Synth-Action Keyboard – 32-key spring-loaded keyboard provides a better tactile feel and faster rebound speed.
- Four Velocity Curves with Adjustable Sensitivity – Three levels of sensitivity customization to match your playing style.
- Intuitive One-Touch Settings (OLED Display) – (Almost) all settings can be easily adjusted via the SHIFT key combination and OLED graphical display. Simple, quick, and user-friendly.
- Exclusive Magnetic Connector for ESSENTIAL Synth Series – Snap2Connect (S2C) interface for seamless integration.
- MIDI Keyboard Functionality – Connect to your computer or smartphone to use as a MIDI controller.
- Software Bundle – Includes Cubase and Melodics to support your creative journey.
Donner Unveils ESSENTIAL L1 Monophonic Analog Synthesizer, Perfectly Blending Classic and Modern


The L1 and KB-32M seamlessly connect through the innovative Snap2Connect magnetic system, streamlining the creative process, enhancing workflow efficiency, and unlocking greater versatility for music production and performance.
1. Classic Heritage, Legendary Sound Quality
2. Modular Design for Infinite Creativity
3. Comprehensive Connectivity for Modern Production
4. Minimalist Design, Portable and Intuitive
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