Casio LK-135 61-Key Key-Lighting Keyboard

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Page last updated Oct 04, 2025

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Description

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Unlock your musical potential with the Casio LK-135, a 61-key key-lighting keyboard designed for aspiring musicians and seasoned players alike. This portable and user-friendly instrument is perfect for learning and performing, thanks to its illuminating keys that guide you through melodies effortlessly. Whether you're practicing your scales or composing your next hit, the LK-135 simplifies the learning process while keeping it fun and engaging.

The Casio LK-135 is packed with features that support both beginners and experienced musicians. It offers a wide range of built-in tones and rhythms, ensuring you have everything you need to explore diverse musical styles. The Step-Up Lesson System is a standout feature, breaking down songs into manageable sections to help you learn at your own pace and build confidence in your playing.

Key Features:

61 full-size keys with key-lighting system
120 built-in tones for versatile sound options
70 rhythms to accompany your playing
Step-Up Lesson System for guided learning
Dance Music Mode for creating and remixing dance tracks
Integrated speakers for on-the-go performances
Lightweight and portable design for easy transport
USB-MIDI connectivity for seamless integration with music software
Powered by batteries or AC adapter for flexibility

Product specs

Brand	Casio
Model	LK-135 61-Key Key-Lighting Keyboard
Year	2010s
Categories	Portable Keyboards
Analog / Digital	Digital
Key Size	Full Size
Keyboard Action	Synth Action
MIDI I/O	MIDI Input, MIDI Output
Number of Keys	61 Keys
Polyphony	32 Voices

FAQs

Does the Casio LK-135 have built-in learning features?: Yes, the Casio LK-135 features a key-lighting system that helps beginners learn to play by illuminating the keys they need to press.
How many sounds and rhythms does the Casio LK-135 offer?: The Casio LK-135 provides 120 built-in tones and 70 rhythms, allowing for a variety of musical styles and experimentation.
Is the Casio LK-135 suitable for beginners?: Yes, the Casio LK-135 is ideal for beginners due to its key-lighting system and user-friendly interface, which make learning to play more accessible.
Can the Casio LK-135 be powered by batteries?: Yes, the Casio LK-135 can be powered by six AA batteries, making it a portable option for playing anywhere.
Does the Casio LK-135 have MIDI connectivity?: Yes, the Casio LK-135 features MIDI input and output, allowing it to connect with other MIDI-compatible devices and software.

Videos

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HomeTech

CASIO LK-135 UNBOXING & quick review

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CASIO LK-135 | Sound & Rhythm Review + Demo

Jeremy See

CASIO LK-135 Example 1 - One Hand

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CASIO LK-135 - answers to 7 of your popular questions

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Light it up! Casio LK-135 - awesome basslines

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Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Casio LK-135 61-Key Key-Lighting Keyboard.

Features and functionality

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The Casio LK-S250 offers light-up keys and is a portable, budget-friendly option similar to the Yamaha EZ-220 for those needing visual assistance in learning songs.
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Comparisons

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Unlike the high-end Yamaha Clavinova CVP-701, which costs around $3200, the Casio LK-S250 provides key lighting features at a fraction of the price without the premium furniture-style build.
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Use cases and applications

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The Casio LK-S250 is highlighted as suitable for educational purposes, particularly for students with developmental disabilities, needing visual guidance to play music.
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