Some keyboards are built for learning songs—others are built to lead an entire performance. The Medeli AK603 brings flagship-inspired arranger workstation features into a more accessible format, combining professional touch-sensitive keys, powerful onboard speakers and an expansive sound engine designed for modern performers and creators. With 750 onboard voices, 280 accompaniment styles, 256-note polyphony and extensive real-time performance controls, it delivers the flexibility to move from polished stage arrangements to songwriting and studio production with ease. A sturdy cabinet design, expressive PTK II keyboard action and rich German Grand piano sound complete an instrument built to feel equally inspiring at home, in rehearsal or on stage.
Professional Sounds and Performance-Ready Features
The AK603 is equipped with a 61-key PTK II touch-sensitive keyboard designed for responsive, expressive performance across a wide variety of playing styles. Its sound engine includes 750 voices and 280 accompaniment styles, covering everything from acoustic pianos and orchestral textures to modern synths and contemporary rhythm sections. Layer and split functionality allows multiple sounds to be combined across the keyboard, while arranger controls, chord modes and accompaniment sections help players create full performances in real time. Features like Phrase Pad and Break controls add additional variation and spontaneity, giving performers new ways to shape live arrangements.
Powerful Audio System and Creative Workflow Tools
A built-in 4-speaker system powered by dual 25W and dual 15W amplifiers gives the AK603 impressive projection and clarity for practice, rehearsal and small performance settings. Multiple onboard effects—including reverb, chorus, compression and insert effects—allow players to refine sounds directly from the instrument without external processing. The 16-track sequencer, audio playback and recording functions, arpeggiator and harmony tools further expand its creative potential for songwriting and arrangement work. Combined with performance memories and Quick Setting controls, the workstation keeps complex setups easy to access during live use.
Modern Connectivity and Versatile Performance Control
The AK603 integrates naturally into modern studio and performance environments with USB MIDI/audio support, audio inputs and outputs, pedal connections and compatibility with external storage devices. A joystick controller, assignable pedal input and real-time sound editing controls give players direct access to expressive modulation and performance shaping. Score display support through a companion app further enhances learning and rehearsal functionality, while MP3 and WAV playback make it easy to practice or perform alongside backing tracks. For musicians seeking a powerful arranger workstation with professional sound, flexible control and strong value, the Medeli AK603 delivers a highly capable all-in-one performance instrument.