Casio Casiotone CT-S300

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$159.00 to $199.99 Price Tier: Standard

4.5 (1)

2 Critic Reviews

1 Review

All time low price

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Page last updated Jun 11, 2026

Pricing and availability

We compare 600+ stores and found this item at 9 stores. Prices updated June 11, 2026.

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Reviews

Price

5.0 (28)

$199.99 $179.99 $20.00 · All time low

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5.0 (1)

$199.99

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4.6 (1423)

$195.49 $179.99 $15.50 · All time low New

$170.99 Used (Like New)

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$159.00 32 available New

$114.53 3 available Used

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$199.99 $179.99 $20.00 · All time low

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$199.99

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4.7 (7)

$199.99 $179.99 $20.00 · All time low

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4.5 (69)

$166.00

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£145.75

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Average Price: $173

Standard/Professional

$100

$601+

Price Tier

In the Portable & Arranger Keyboards category, Casio Casiotone CT-S300 is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

Price History

Based on price data from 7 merchants for "Casio Casiotone CT-S300". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Introducing the Casiotone CT-S300, a versatile and portable synthesizer that carries forward Casio's legacy of making music creation accessible to all. This innovative instrument is a perfect blend of sophistication and simplicity, designed for both beginners and professionals alike. The CT-S300 is not just any ordinary synthesizer, but a compact and lightweight music-making companion that you can take anywhere, anytime. With 400 tones and 75 rhythms, this synthesizer is a powerhouse of creativity, offering a wide array of sounds to explore and play with.

Its easy-to-read LCD display and intuitive controls make navigation a breeze. The Touch Response keys and a pitch bend wheel further enhance the performance dynamics, adding depth and expression to your music. The Dance Music Mode is a unique feature that lets you create and remix EDM tracks with ease. The CT-S300 also facilitates quiet play with its headphone plug-in and encourages shared musical experiences with its built-in speakers.

To top it all, the CT-S300 provides a seamless connection to the Chordana Play iOS/Android app. This extends your musical capabilities, allowing you to learn how to play your favorite songs from downloaded MIDI files.

Key Features:

Portable synthesizer with built-in carrying handle
400 unique tones and 75 rhythms
Touch response keys and pitch bend wheel for dynamic expression
Dance Music Mode for easy creation and remixing of EDM tracks
Built-in speakers and headphone plug-in for shared or quiet play
Connection with Chordana Play app for extended learning
Class-compliant USB port for easy connection with Mac/PC/Android devices.

Owner's manual

Casio Casiotone CT-S300 User Manual

Product specs

Number of Keys	61
Type of Keys	Full Size
Velocity Sensitive	Light, Normal, Fixed
Polyphony	48 Notes
Presets	400 tones, 77 rhythms
Effects Types	10 x Reverb
Audio Inputs	1 x 1/8" (aux in)
Audio Outputs	1 x 1/8" (headphones/line out)
USB	1 x Micro-B
MIDI I/O	USB
Pedal Inputs	1 x 1/4" (sustain)
Software	Chordana Play App
Built-in Speakers	2 x 5.1"
Power Supply	AC adapter / 6 x AA batteries
Height	2.9"
Width	36.6"
Depth	10.1"
Weight	7.3 lbs. (without batteries)

FAQs

Does the Casio Casiotone CT-S300 have touch-sensitive keys?: Yes, the Casio Casiotone CT-S300 features touch-sensitive keys, allowing for expressive playing with light, normal, and fixed velocity settings.
What sounds and rhythms are available on the Casio CT-S300?: The Casio CT-S300 offers 400 built-in tones and 77 rhythms, providing a wide range of options for various music styles and compositions.
Can the Casio CT-S300 be powered by batteries?: Yes, the Casio CT-S300 can be powered by 6 AA batteries, making it highly portable for music creation on the go, with approximately 19 hours of continuous operation using alkaline batteries.
How does the Casio CT-S300 connect to other devices?: The Casio CT-S300 includes a USB Micro-B port for MIDI connectivity and can connect to external devices using the Chordana Play app for expanded functionality.
Does the Casio CT-S300 have built-in speakers?: Yes, the Casio CT-S300 is equipped with two built-in 5.1" speakers, allowing you to play and hear your music without needing external amplification.

Videos

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muzykujkropkacom

CASIO CT-S300 Sounds 4K MUZYKUJ

muzykujkropkacom

Make Music, Anytime, Anywhere - Casiotone CT-S300 | CASIO

CASIO Music Global

What The Shop Didn't Tell You - Casio CT-S300 vs Casio CT-S1

Jeremy See

Casio CT-S300 Keyboard Unboxing + Playing + Connecting to GarageBand // Sav Anna :))

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Casiotone CT-S300 with Millé

CASIO Music Europe

Casio CT-S300 Demo/Review

stevekonbass

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how to quickly tone change in casio ct-s300# connect with mobile phone.

JTR Soura official

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How To Change Tones Quickly in Casio Cts200 and Cts300 | 2nd part full explained | Twister Piano

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Casio CTS300 Keyboard | Demonstration & Reasons To Buy One | Rimmers Music

Rimmers Music

Casiotone CT-S300 REVIEW with Emeen Zarookian

Performer Magazine

1980 Casiotone CT-201 & 2021 CT-S300 Tone Comparison (HQ Audio)

Casio Chaos Theory

Reviews

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PROS

Portable with built-in handle for easy transport
Velocity-sensitive keys enhance expression
Offers a wide range of sounds (400) and rhythms
Includes useful features like transpose, drum beats, and reverbs
Can be powered by batteries or the included adapter
Suitable for beginners with its easy-to-use interface
Sturdy construction despite being made of plastic
Functions as a MIDI controller for added versatility
Minimalist user interface simplifies sound selection
Built-in speakers provide immediate playability

CONS

Built-in speakers lack quality, affecting sound output
Piano sounds could be improved for a more authentic experience
Some sounds are repeated; not all 400 sounds are unique
Keys have a plastic feel, detracting from the playing experience
Learning curve for handling velocity sensitivity due to lightweight keys
Metronome interface can be unintuitive, complicating tempo adjustments

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Casio Casiotone CT-S300.

Features and functionality

0 0

Setting the reverb to Hall 4 or Stadium 1/2 can enhance the sound, making it feel more lively and authentic.
Source
0 0

The CT-S300 allows MIDI data input, though it's not a dedicated MIDI controller, making it versatile for beginner recording setups.
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The Casio CT-S300 is noted for its compact design and includes a modulation wheel, which can be engaging for creating quick sound effects.
Source

Mods and upgrades

0 0

Adding a sustain pedal significantly improves the sound, making it closer to a real piano experience.
Source

Use cases and applications

0 0

Ideal for beginners due to its compactness and cost-effectiveness, despite the lack of weighted keys.
Source
0 0

Both the Casio CT-S300 and Yamaha PSR-E383 are more akin to arranger keyboards, making them suitable for beginners exploring various sounds and auto-accompaniment features.
Source

User experience

0 0

Transitioning from this model to a weighted-key piano may take about a month of practice.
Source
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Owners caution about the CT-S300's smaller keys and lack of weight, which can lead to technique issues if not addressed early in practice.
Source

Value and pricing

0 0

Found to be an excellent deal if priced at US $200 or less, providing significant learning value at this price point.
Source

Comparisons

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The CT-S1 is noted as a better and newer alternative, recommended if available for under $250.
Source
0 0

The Yamaha PSR-E383 offers learning modes and recording functions, which can be beneficial for tracking progress, unlike the Casio CT-S300.
Source

Critic Reviews

Casiotone CT-S300 REVIEW | Performer Mag

performermag.com

The Casio Casiotone CT-S300 cleverly blends nostalgia with modern functionality, boasting a surprisingly playable keybed and a wealth of onboard sounds that outshine its price point. While some may scoff at the Casio name, this model proves it's not merely a relic of the '80s; the addition of a pitch wheel and easy navigation enhances playability. It’s portable and powered by batteries, making it a great travel companion. However, the absence of traditional MIDI I/O and a limited LCD screen may hinder more serious users. Overall, for $150, it’s a delightful entry-level synth that’s fun and functional, inviting both new and seasoned players to explore its retro charm.

positive

Full Review

Casio CT-S300 review | MusicRadar

musicradar.com

The Casio CT-S300 is a remarkably portable keyboard that excels in providing a variety of sounds perfect for beginners. Its lightweight design and battery operation make it a great choice for on-the-go musicians. With 400 voices and 77 rhythms, it delivers a fun playing experience, especially with its Dance Music Mode. However, not all sounds hit the mark, and the lack of weighted keys may disappoint some aspiring pianists. Overall, while the keyboard may not offer the depth of more advanced instruments, it’s a fantastic entry-level option for budding musicians looking to explore their creativity.

positive

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4.5 out of 5

Based on 1 Review and 1 Rating

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1 star

connorco77

293

about 6 years ago

Ton of features!

Is a great first keyboard and has over 400 different tones for new sounds, just started learning a week ago and is great for me!

Roles:

Guitarist

Genres:

Folk, World, & Country Indie rock modern dream pop

Artist usage

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Igor Vlasyev

Singer, Guitarist

ЖЩ

Verified via YouTube

In a YouTube video by Ваганыч titled "Синтезатор с ДИСКОТЕКОЙ! Casiotone CT-S300," Igor Vlasyev is seen using the Casio Casiotone CT-S300, highlighting its features and sound capabilities.