P-225 P-145
Dimensions Width 1,326 mm [52-3/16"] 1,326 mm [52-3/16"]
Height 129 mm [5-1/16"] (with music rest: 327 mm [12-7/8"]) 129 mm [5-1/16”] (with music rest: 307 mm [12-1/16"])
Depth 272 mm [10-11/16"] (with music rest: 362 mm [14-1/4"]) 268 mm [10-9/16"] (with music rest: 320 mm [12-5/8"])
Weight Weight 11.5 kg [25 lb, 6 oz] 11.1 kg [24 lb, 8 oz]
Dimensions (with optional stand) Width 1,326 mm [52-3/16"] 1,326 mm [52-3/16"]
Height 744 mm [29-5/16"] (with music rest: 942 mm [37-1/16"]) 744 mm [29-5/16"] (with music rest: 922 mm [36-5/16"])
Depth 318 mm [12-1/2"] (with music rest: 362 mm [14-1/4"]) 318 mm [12-1/2"] (with music rest: 320 mm [12-5/8"])
Dimensions of Packing Box W x H x D 1,424 mm x 233 mm x 362 mm [56-1/16" x 9-3/16" x 14-1/4"] 1,424 mm x 223 mm x 362 mm [56-1/16" x 8-3/4" x 14-1/4"]
Keyboard Number of Keys 88 88
Type GHC keyboard with matte black keytops GHC keyboard with matte black keytops
Touch Sensitivity Hard/Medium/Soft/Fixed Hard/Medium/Soft/Fixed
Panel Language English English
Tone Generator Piano Sound Yamaha CFX Yamaha CFIIIS
Key-off Samples Yes -
Virtual Resonance Modeling (VRM) Yes (VRM Lite) -
Damper Resonance - Yes
Polyphony (max.) 192 64
Preset Number of Voices 24 10
Types Reverb 4 types 4 types
Wall EQ Yes -
Intelligent Acoustic Control (IAC) Yes -
Stereophonic Optimizer Yes -
Sound Boost 2 types 1 type
Functions Dual/Layers Yes Yes
Split Yes -
Duo Yes Yes
Preset Number of Preset Songs 21 Voice Demo Songs + 50 Classics 10 Voice Demo Songs + 10 Piano Preset Songs
MIDI Recording Number of Songs 1 -
Number of Tracks 2 -
Data Capacity Approx. 100 KB/Song (approx. 11,000 notes) -
Overall Controls Metronome Yes Yes
Tempo Range 5 - 280 32 - 280
Transpose -6 - 0 - + 6 -6 - 0 - + 6
Tuning 414.8 - 440.0 - 466.8 Hz (approx. 0.2 Hz increments) 414.8 - 440.0 - 466.8 Hz (approx. 0.2 Hz increments)
USB Audio Interface 44.1 kHz, 24 bit, stereo 44.1 kHz, 16 bit, stereo
Rhythm Number of Rhythms 20 -
Bluetooth Audio (varies by area) -
Connectivity Headphones Standard stereo phone jack (x 2) Standard stereo phone jack (x 1)
AUX OUT [L/L+R] [R] -
USB TO HOST Yes Yes
DC IN 12 V 12 V
Sustain Pedal Yes Yes
Pedal Unit Yes Yes
Amplifiers 7 W x 2 7 W x 2
Speakers (Oval (12 cm x 8 cm) + 5 cm) x 2 Oval (12 cm x 8 cm) x 2
AC Adaptor PA-150B or an equivalent recommended by Yamaha (Output: DC 12 V, 1.5 A) PA-150B or an equivalent recommended by Yamaha (Output: DC 12 V, 1.5 A)
Power Consumption 9 W (When using PA-150B AC adaptor) 6 W (When using PA-150B adaptor)
Included Accessories Owner’s Manual, Online Member Product Registration, Music rest, Footswitch, AC adaptor* (PA-150B or an equivalent recommended by Yamaha) *Varies by area Owner’s Manual, Online Member Product Registration, Music rest, Footswitch, AC adaptor* (PA-150B or an equivalent recommended by Yamaha) *Varies by area
Separately Sold Accessories Headphones (HPH-150, HPH-100, HPH-50), Keyboard stand (L-200), Pedal unit (LP-1, FC35), Foot pedal (FC3A), Footswitch (FC4A, FC5), Keyboard bag (SC-KB851), AC adaptor* (PA-150B or an equivalent recommended by Yamaha), Wireless MIDI adaptor (UD-BT01) *Varies by area Headphones (HPH-150, HPH-100, HPH-50), Keyboard stand (L-100), Foot pedal (FC3A), Footswitch (FC4A, FC5), Keyboard bag (SC-KB851), AC adaptor* (PA-150B or an equivalent recommended by Yamaha), Wireless MIDI adaptor (UD-BT01) *Varies by area