Which is better for a beginner?

The P-45B is the cheaper start and has the same 88 weighted keys and 64-note polyphony. The P-143B gives a better piano tone and recording for more money.

Is the P-143B worth the extra over the P-45B?

Yes if you will record to a computer or want the CFIIIS sound with damper resonance. If you just practice through speakers, the P-45B covers the basics.

Which is easier to carry?

The P-143B at 24 lb is about 1.6 lb lighter than the P-45B at 25.6 lb. Both are slim enough for a closet or a car trunk.

Can I record with the P-45B?

Its USB port is MIDI only, so you record note data, not audio. The P-143B sends stereo audio over USB at 44.1 kHz/16-bit.

Do both have weighted keys?

Yes. The P-45B uses GHS graded hammer action and the P-143B uses the GHC keyboard, both with matte black keytops.

Which has better speakers?

The P-45B has two 4.7-inch speakers driven by 2 x 6 W amps. The P-143B uses two 12 x 8 cm speakers; power output is not stated.

Yamaha P45B 88-Key Digital Piano vs Yamaha P-143B Digital Piano

Buy the P-45B if budget is the deciding factor or you want the lightest option at 25.6 lb. Buy the P-143B if you want a newer piano sound, a USB audio interface and recording. The P-143B is priced at $499.99 at eBay as of November 5, 2026; no current price was given for the P-45B, so check its live price before deciding.

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