LK-S450 Specifications
| Keyboard | Number of Keys | 61 |
| Touch Response | 3 sensitivity levels, off | |
| Key Lighting System | Yes | |
| Sound Source | AiX | |
| Polyphony | 48 | |
| Tones | 600 | |
| Layer | 3 (Upper1/2, Lower1) | |
| Split | Yes | |
| Sustain | Yes | |
| Effects | Reverb | 20 |
| Chorus | 10 (+ Preset for some tones) |
|
| DSP | Yes (Preset for some tones) |
|
| Master EQ | 10 | |
| Volume sync EQ | Yes | |
| Surround | Yes | |
| Accompaniment | Number of Rhythms | 200 |
| One Touch Preset | 200 | |
| User Rhythms | 10 | |
| Chord Mode | CASIO Chord, Fingered 1, Fingered 2, Fingered On Bass, Fingered Assist, Full Range Chord | |
| Rhythm Elements | Intro, Normal, Normal-Fill, Variation, Variation-Fill, Ending, Synchro Start, Synchro Stop | |
| Metronome | Yes | |
| Tap Tempo | Yes | |
| Songs | 160 | |
| Step Up Lesson | Yes | |
| Lesson Part Select | Yes | |
| User Songs | 200 | |
| Demo Song | 1 | |
| Freeze Function | Yes | |
| My Set Up Function | Yes | |
| Chord Book | Yes | |
| Transpose | Yes | |
| Tuning | Yes | |
| Octave Shift | Yes | |
| Scale Setting | Equal temperament + 16 variations | |
| MIDI Recorder | Yes | |
| Songs | 5 | |
| Tracks | 5 | |
| Memory Capacity | 40,000 notes (for each song) |
|
| LCD | Yes | |
| Type | Full-dot | |
| Back Light | Yes (white) | |
| Connectivity | Available APP | Chordana Play |
| Bluetooth MIDI & Audio Adaptor | Yes (Option) | |
| General MIDI | Yes | |
| Terminals | PHONES / OUTPUT | Stereo mini |
| MIC IN | Standard | |
| PEDAL | Standard | |
| AUDIO IN | Stereo mini | |
| USB TO HOST | micro B | |
| USB TO DEVICE | Yes | |
| Strap Pin | Yes | |
| Speakers | (13cm x 6cm) x 2 | |
| Horizontal Bass Reflex | Yes | |
| Amplifiers | 2.5W + 2.5W | |
| Power Supply | DC 9.5V | |
| AC Adaptor | AD-E95100L | |
| Battery | AA type x 6 | |
| Dimensions (mm) | 930ｘ258ｘ84 | |
| Weight | 4.5㎏ |