Yamaha PSREW425 Digital Keyboard

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  • Ultra-realistic instrument sounds
  • Live control features bring your performance to life
  • Microphone input and built-in vocal effects
  • Sampler function for unlimited creativity

Creativity and expression

Tweak your tone as you play with the two live control knobs. Adjust filter cut-offs or effect parameters mid performance, to add new forms of expression to your playing. The Motion Effect immediately applies dynamic effects to your playing which morph your sound in exciting ways. Create risers, tape stop effects, or apply a filter, all by just holding the button down! If you want to get truly creative, use the on-board sampler to turn any noise into your new sound, and incorporate it into your music with just the press of a button.

In the studio

The PSR EW425 functions as a USB MIDI device, so you can plug it straight into your computer and use it to control your favourite DAW or any other musical software. Using the LINE outputs you can record the audio from the keyboard straight into your latest production, making use of all the keyboard's on-board effects and sounds. Electronic music producers will love the Groove Creator, which allows you to rapidly piece together entire tracks whilst controlling filters and effects.

On stage

This keyboard features separate left and right audio outputs, so you can easily connect to PA systems. This is a true performer's keyboard, perfect for laying down backing pads or ripping out lead lines. Cut through the mix with the Mega Boost button, which adds +6dB of volume to your output - perfect for solos!

Be the band

With 290 automatic accompaniment styles, ranging from rock, to dance, to jazz - you can create a full-band experience using just this keyboard. Drum patterns, basslines, and chords all respond intuitively to your left hand. You can even add vocals by plugging a microphone into the keyboard! Sing along to your playing, and make use of the PSR EW425's studio-quality vocal effects.

More Information
Product CodePSREW425

Control Interface

  • Keyboard:
    • Number of keys: 76
    • Touch Response: Soft, Medium, Hard, Fixed
  • Other Controllers:
    • Pitch Bend Wheel: Yes
    • Knobs:
  • Language: English


  • Tone Generation Technology: AWM Stereo Sampling
  • Polyphony (max.): 64
  • Number of Voices: 820 (294 Panel Voices + 28 Drums/SFX Kits + 40 Arpeggio + 458 XGlite Voices)
  • Compatibility: GM, XGlite


  • Reverb: 12
  • Chorus: 5
  • Master EQ: 4
  • DSP: DSP1:41, DSP2:12

Accompaniment Styles

  • Number of Styles: 290
  • Fingering: Multi- Finger, Smart Chord
  • External Styles: 10
  • Other Features: One Touch Setting, Style File Format

Groove Creator

  • Number of Grooves: 35
  • Number of Sections: 5 (4 Sections + 1 musical Climax/Ending)

Songs (MIDI)

  • Number of Preset Songs: 30
  • Number of Songs: 10
  • Number of Tracks: 6 (5 Melody +1 Style/Groove Creator)
  • Data Capacity: Approx. 19,000 notes (when only “melody” tracks are recorded
  • Data Format – Playback: SMF Formats 0 & 1
  • Data Format – Recording: Original File Format (SMF 0 conversion function)

USB Audio Recorder

  • Recording Time: 80 min (approx. 0.9GB) per song
  • Playback/Recording: WAV( 44.1kHz 16 bit stereo)

Quick Sampling

  • Sampling Type: Oneshot, Loop
  • Samples (Preset/User): 4
  • Sampling Time: Approx 9.6sec
  • Sampling Sources: AUX IN, MIC INPUT, USB audio interface, WAV format files
  • Sampling Format: Original File Format (16 bit, stereo)
  • Sampling Rate: 44.1 kHz


  • Voices:
    • Dual: Yes
    • Split: Yes
    • Harmony: 26
    • Arpeggio: 152
    • Articulation: Yes
  • Registration Memory:
    • Number of Buttons: 9
    • Control: Freeze
  • Overall Controls:
    • Metronome: Yes
    • Tempo Range: 11 – 280
    • Transpose: -12 to 0, 0 to +12
    • Tuning: 427.0 – 440.0 – 453.0 Hz (approx. 0.2Hz increments)
    • Octave Button: Yes
    • Scale Type: 5 types
  • Miscellaneous:
    • PIANO Button: Yes
    • Demo: Yes
    • Melody Suppressor: Yes
    • Crossfade: Yes
    • USB audio interface: 44.1 kHz, 16 bit stereo
    • Motion Effect: 57
    • Mega Boost: 2 steps (approx. +3dB, and +6db)

Storage and Connectivity

  • Storage
    • Internal Memory: Approx. 1.72 MB
    • External Drives: USB Flash Drives
  • Connectivity:
    • DC In: 16V
    • Headphones: Standard stereo phone jack
    • Microphone: Yes
    • Sustain Pedal: Yes
    • AUX IN: Yes (Stereo mini jack)
    • OUTPUT: Standard stereo phone jacks: L/L+R/R
    • USB TO DEVICE: Yes
    • USB TO HOST: Yes
  • Sound System:
    • Amplifiers: 12W + 12W
    • Speakers: 12cm x 2

Power Supply

  • AC Adaptor:PA-300C (Output : DC 16V, 2.4A)
  • Batteries: Six ''D'' size alkaline (LR20), manganese (R20) or six “D” size Ni-MH rechargeable batteries (HR20)
  • Power Consumption: 11 W (When using PA-300C AC adaptor)
  • Auto Power Off: Yes

Size & Weight

  • Dimensions (W x D x H): 1200mm x 404mm x 136mm
  • Weight: 8.3kg

Included Accessories

  • Owner's Manual AC adaptor (PA-300C or an equivalent recommended by Yamaha) Music Rest.

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