Digital piano YAMAHA ARIUS YDP-105B — 88 weighted keys, graded hammer action, 64-note polyphony

YAMAHA ARIUS YDP-105B is a digital piano with 88 weighted keys and graded hammer action designed to reproduce the touch of an acoustic piano. It provides up to 64-note polyphony, ten preset voices and built-in stereo speakers for immediate practice at home or small performances. The instrument includes dual 6.35 mm headphone outputs and USB connectivity and is powered from a 12 V mains socket. Dimensions are 135.7 × 42.2 × 81.5 cm and the piano weighs 37.5 kg.

Advantages

The graded hammer action and 88 weighted keys deliver a realistic playing feel suitable for classical and contemporary technique. Built-in stereo speakers with 2 × 6 W RMS output enable clear sound without external amplification, while 64-note polyphony supports complex passages and layered voices. Dual headphone outputs allow silent practice for two players, and the integrated USB port simplifies connection to computers and recording devices.

Suitable for

• Home practice and lessons
• Beginner and intermediate pianists
• Small recitals and rehearsal rooms
• Private teaching with duet practice

Key specifications

• Type: Digital piano with 88 weighted keys
• Key action: Graded hammer action
• Polyphony: 64 notes
• Preset voices: 10
• Speakers: 2 built-in speakers, total 2 × 6 W RMS
• Effects: Limiter
• Volume control: Knob
• Headphone outputs: Two 1/4" (6.35 mm) jacks
• USB connectivity: 1 USB port
• Power: 12 V DC, mains socket
• Dimensions (W × D × H): 135.7 × 42.2 × 81.5 cm
• Weight: 37.5 kg

How to use

Place the piano on a stable, level surface and connect the included power adapter to a 12 V mains socket. Adjust the volume knob to the desired level and select one of the preset voices. Connect headphones to the 6.35 mm jacks for private practice or plug the piano into a computer or recording device using the USB port. Use the limiter effect as needed to prevent clipping at high output levels.

Usage recommendations

For reliable performance, keep the instrument in a dry room with moderate temperature and avoid direct sunlight. Use headphones for late-night practice, and connect to a computer via USB when recording or using virtual instruments. Regularly check cable connections and power supply to ensure safe operation.