One Feature Matters More Than All the Others

Walk into a music shop and you will be shown polyphony counts, sound libraries, connectivity, hundreds of voices, and rhythm accompaniments. Almost none of it affects whether you learn to play.

The thing that does is the action — what the keys feel like under your fingers. It determines whether practice is pleasant, whether you build any control over volume, and whether what you learn transfers to a real piano. Buy the best action you can afford and accept whatever sounds and features come attached to it.

The Three Kinds of Key

Unweighted (synth action). Springy plastic keys, like an organ. Very light, very fast, and they teach your hands nothing about controlling volume, because pressing harder mostly just makes a louder sound with no feel behind it. Fine as a second keyboard for a musician who already plays; a poor first instrument.

Semi-weighted. Springs plus some added mass. Better, still not really a piano feel. Common in the cheapest “88-key” instruments.

Fully weighted / hammer action. Each key operates a small weighted hammer mechanism that mimics the mass and resistance of an acoustic piano. This is what you want. The bass keys feel slightly heavier than the treble ones on better examples — described as graded hammer action — which matches a real instrument.

If your budget forces a choice between good sounds and a good action, take the action every time. You will listen through headphones or small speakers regardless, and the sound of an entry-level digital is perfectly acceptable; the feel of an unweighted keyboard is something you have to unlearn later.

How Many Keys

A full piano has 88 keys. Cut-down instruments come in 76, 61, and 49.

For a beginner, 88 is the right answer if you can accommodate it, because sooner or later a piece uses the far ends and because the layout stops being ambiguous. 61 keys is a workable compromise for a small flat or a tight budget, and plenty of people learn a great deal on one. Below 61, you will run out of instrument quickly.

A hard requirement whatever the count: full-size keys. Miniature keys build wrong hand distances and are effectively a different instrument.

The Short Specification List That Matters

Touch sensitivity (velocity). Non-negotiable. If pressing gently and pressing firmly produce the same volume, you cannot learn dynamics, and dynamics are most of what makes playing sound musical rather than mechanical. Every instrument worth buying has it; some very cheap keyboards still do not.

A sustain pedal input, and preferably a proper piano-style pedal rather than the small plastic footswitch that comes in the box. The switch works; it feels wrong and slides across the floor. Note that some instruments require you to set the pedal polarity in the menu — if your pedal works backwards, that is the setting, not a fault.

Polyphony of 64 notes or more. This is how many notes can sound at once, including notes still ringing under the sustain pedal. 32 is audibly limiting; 64 is fine for a beginner; 128 and above matters mostly for advanced repertoire.

Headphone output. The reason a digital instrument is realistic in a flat or a shared house, and the reason you can practise at eleven at night.

A stand and a proper bench. Not a dining chair, and not a keyboard resting on a table at the wrong height. Height is a real ergonomic issue rather than a preference, and it is covered in the next guide.

What Is Not Worth Paying For

Hundreds of voices, when you will use piano and possibly electric piano. Built-in rhythms and auto-accompaniment. Recording features you can replicate with a phone. Bluetooth, unless you have a specific app in mind. Elaborate cabinet furniture, unless you want the piece of furniture for its own sake — the same action often appears in a plain portable body for considerably less money.

Digital, Upright, or Grand

A digital piano is the sensible default for a beginner. It never needs tuning, has a volume control and a headphone socket, does not care about humidity, and costs a fraction of a decent acoustic. Neighbours and household members will also quietly appreciate it during the phase where you play the same four bars a hundred times.

An acoustic upright is a lovely thing and comes with real ownership costs: tuning once or twice a year, sensitivity to heating and damp, and the fact that moving it is a job for specialists. The trap for beginners is the free or nearly-free old upright. A neglected acoustic piano can be functionally unplayable and cost more than its value to make right, and some are beyond economic repair entirely. Never buy or accept an old acoustic without having a technician look at it — an hour of their time is the cheapest part of the transaction.

A grand piano is not a beginner decision and mostly a room-size decision.

Buying Used

The used market for digital pianos is good, because they are frequently bought with enthusiasm and sold with regret in almost new condition. When viewing one:

  • Play every single key, slowly, one at a time. Listen for dead notes, notes that sound at the wrong volume, and keys that stick or rattle.
  • Press each key very softly and then very hard to check velocity response across the range.
  • Check the pedal and the headphone socket.
  • Look at the underside and the connections for damage from moving.
  • Ask why they are selling. The honest answer is usually “I never played it”, and that is the instrument you want.

Prices, models, and what is available second-hand vary enormously by country, so treat any specific figure you read online as a rough orientation rather than a target.

Where to Put It

The practical detail that decides how much you play: set the instrument up permanently, in a room you walk through, with the lid or cover off and the power reachable.

An instrument that has to be unpacked, unfolded, and plugged in gets played on the days you feel enthusiastic. One that is standing there ready gets played on the many more days when you are only mildly inclined — and those days are where the progress actually comes from.