Yamaha YDP s54 vs YDP 164
Yamaha YDP s54:
Features:
- 88-key graded hammer standard (GHS) keyboard
- Advanced Wave Memory (AWM) Stereo Sampling
- Damper Resonance DSP
- 2-track recording
- 8 different voices
- 5 types of reverb
- 10 types of digital effects
- 100 preset songs
- Intelligent Acoustic Control (IAC)
- Dual and Split modes
- Dual headphone jacks
- Auxiliary Input
- USB to Host connectivity
- 2 x 16 character LCD display
- Music Rest
Specifications:
- Keyboard: 88 keys
- Polyphony: 128 notes
- Voices: 8
- Effects: Reverb, Chorus, Delay, Rotary
- Display: 2 x 16 character LCD
- Connectivity: USB to Host, Auxiliary Input
- Power Consumption: 12V DC, 1.5A
Pros:
- Great sound quality
- Easy to use
- Natural keyboard feel
- Comprehensive features
- Dual headphone jacks
- Auxiliary input
- USB to Host connectivity
Cons:
- Expensive
- No built-in speakers
- Limited recording capabilities

Compare Price Here Before Making Any Purchase:
Yamaha YDP 164:
Features:
• 88-key Graded Hammer Standard (GHS) weighted action keyboard
• Pure CF Sound Engine
• 192-note polyphony
• 10 different voices
• 30 built-in songs
• Stereophonic Optimizer
• Dual/Layers Mode
• USB to device connectivity
• Headphone connectivity
• 2-track recording
• Metronome
• Damper Resonance
• Intelligent Acoustic Control
• Auto Power Off
• Auxiliary Inputs/Outputs
Specifications:
• Weight: 65.9 lbs
• Dimensions: 53.3″ x 11.9″ x 15.2″
• Number of Keys: 88
• Number of Presets: 10 Voices
• Number of Effects: Reverb and Chorus
• Polyphony: 192
• Number of Tracks: 2
• Audio Outputs: Stereo
• MIDI Connectivity: USB
• Pedal Inputs: 3 (Damper, Soft, Sostenuto)
Pros:
• High-quality, full-sized 88-key keyboard
• 192-note polyphony
• 10 different voices
• 30 built-in songs
• Stereophonic Optimizer
• Dual/Layers Mode
• USB to device connectivity
• Headphone connectivity
• 2-track recording
• Metronome
• Damper Resonance
• Intelligent Acoustic Control
• Auto Power Off
• Auxiliary Inputs/Outputs
Cons:
• Heavier than some other models
• Not as many voices as some other models
