Some 88-key weighted keyboards are actually MIDI controllers and have no built-in speakers . Ensure the model you choose can produce sound on its own.
This refers to the number of individual notes that can sound at once. A minimum of 64-note polyphony is recommended for beginners, while 128-note is preferred if you plan to use a sustain pedal or layer sounds. digital piano buying guide for beginners
To avoid outgrowing your instrument quickly, industry experts recommend looking for these specific technical specifications: Some 88-key weighted keyboards are actually MIDI controllers
Look for "fully weighted" or "hammer action" keys. Unlike spring-loaded keyboards, these use small hammers to replicate the mechanical resistance of a real piano, which is critical for developing hand strength. A minimum of 64-note polyphony is recommended for
Ensure the piano has "velocity sensitivity," meaning the volume changes based on how hard you strike the keys. This allows for expressive playing from soft ( piano ) to loud ( forte ).
While cheaper, 61-key "keyboard" models with springy keys can hinder a beginner's ability to learn dynamics and proper technique.
A sustain pedal is essential for modern and classical repertoire. Many beginner models come with a small plastic "footswitch," but most teachers recommend upgrading to a realistic piano-style pedal for better control. Types of Digital Pianos