ReferenceE-39English• Specifications and designs are subject to change without notice.Product SpecificationsModel AP-420BK/AP-420BNKeyboard 88-key piano keyboard, with Touch ResponseMaximum Polyphony 128 notesTones 16• Layer (excluding bass tones)• Split (Low-range bass tones only)Effects Brilliance (–3 to 0 to 3), Reverb (4 types), Chorus (4 types), DSP, Acoustic ResonanceMetronome • Beats: 0, 2, 3, 4, 5, 6• Tempo Range: 20 to 255Duet Adjustable tone range (–1 to 2 octaves)Music Library • Number of Songs: 60, User Songs: 1 (memory capacity; up to 65KB)** Based on 1 KB = 1024 bytes, 1 MB = 1024 2 bytes• Song volume: Adjustable• Part On/Off: L, RRecorder • Functions: Real-time recording, playback• Number of Song: 1• Number of Tracks: 2• Capacity: Approximately 5,000 notes total• Recorded Data Protection: Built-in flash memoryPedals Damper (with half-pedal operation), Soft, SostenutoOther Functions • Touch Select: 3 types, Off• Transpose: 2 octaves (–12 to 0 to 12)• Tuning: A4 = 440.0 Hz ±99 cents (variable)• Temperament• Octave shift• Operation LockMIDI 16-channel multi-timbre receiveSD Memory Card • SD memory card slot• Supported SD Memory Cards: Up to 2GB• Functions: SMF playback, file storage, file recall, card formatInputs/Outputs • PHONES jacks: Stereo standard jacks × 2• Power: 24V DC• LINE OUT R, L/MONO jacks: Standard jacks × 2Output impedance: 2.3KΩOutput voltage: 1.1V (RMS) MAX• USB port: TYPE B• Pedal connectorSpeakersφ 12cm × 2 +φ 5cm × 2 (Output 20W + 20W)Power Requirements AC Adaptor: AD-E24250LWPower Consumption 24V = 60WDimensions Digital Piano and Stand: 139.5 (W) × 42.7 (D) × 83.5 (H) cm (54 15 / 16 × 16 13/ 16 × 32 14 / 16 inch)Weight Digital Piano and Stand: approximately 40.0kg (88.2 lbs)