Casio WK 6600 Vs Casio WK 6500

When it comes to choosing a workstation keyboard, Casio is a brand that often comes to mind. With their extensive range of keyboards, Casio has established itself as a reliable and trusted brand in the music industry. Among their range of workstation keyboards, the Casio WK 6600 Vs Casio WK 6500 are two popular options. In this article, we will provide a comprehensive comparison of these two keyboards to help you make an informed decision about the differences between the siblings.

In this comparison, we will talk about the following:

  • What is a Workstation Keyboard?
  • What are the Casio WK 6600 and Casio WK 6500?
  • How is the Design of Casio WK 6600 and Casio WK 6500?
  • What are the Features of Casio WK 6600 and Casio WK 6500?
  • How is the Sound Quality from Casio WK 6600 and Casio WK 6500?
  • How is the Connectivity in Casio WK 6600 and Casio WK 6500?
  • Casio WK 6600 and Casio WK 6500?
  • Which Keyboard to Buy?
Casio WK 6600Casio WK 6500
Product Dimensions5.4 x 16.25 x 47 inches
49.5 x 8.25 x 19 inches
Shipping Weight24 pounds
26.2 pounds
Shop now at AmazonCheck priceCheck price

Workstation Keyboard

A workstation keyboard is a type of electronic musical instrument that combines the functionality of a synthesizer, a sampler, and a sequencer in a single device. These keyboards are designed for professional musicians, producers, and composers who need an all-in-one tool for creating, recording, and performing music.

Workstation keyboards typically feature a wide range of sounds and effects, as well as a built-in sequencer for creating and arranging music. They often have advanced features such as arpeggiators, drum machines, and customizable rhythms, making them versatile tools for a variety of musical genres. Read also: Casio WK 6600 Vs Casio WK 7600 here.

About Casio WK 6600 and Casio WK 6500

The Casio WK-6600 and WK-6500 are workstation keyboards suitable for musicians, producers, and music enthusiasts, featuring 76 touch-sensitive keys, over 500 built-in tones, and 100 rhythms, along with various effects and a 17-track sequencer for creating and recording music. While the WK-6600 and WK-6500 are quite alike, the WK-6600 boasts more sounds and rhythms, which some people may prefer, especially with the slight price difference.

These keyboards offer a range of features and capabilities, making them suitable for diverse musical applications. Overall, the Casio WK-6600 and WK-6500 are excellent, budget-friendly options for anyone seeking an all-in-one workstation keyboard.

Design and Build Quality

The Casio WK 6600 and the Casio WK 6500 both have an identical look, with a 76-key keyboard that features velocity-sensitive keys. The keyboards are also compact and lightweight, making them easy to transport. However, the WK 6600 is slightly lighter than the WK 6500 without the batteries. As for the power source, you can plug the keyboard to a direct power using an adapter or six D-size batteries.


Both the Casio WK 6600 and the Casio WK 6500 come with a range of impressive features. They both have a 32-channel mixer, 16-track sequencer, and hundreds of built-in tones and rhythms. These keyboards also come with a few additional features. These include a pattern sequencer, arpeggiator, and a phrase recorder. The pattern sequencer allows you to create and save your own drum patterns, while the arpeggiator allows you to create complex arpeggios with ease. The phrase recorder is a useful tool for capturing your musical ideas on the fly.

Sound Quality

Both the Casio WK 6600 and the Casio WK 6500 deliver excellent sound quality. They both feature Casio’s AHL sound engine, which produces high-quality tones and a realistic sound. Additionally, they both have a range of DSP effects that allow you to further enhance your sound. However, the WK 6600 has 70 tones and 210 patterns versus WK 6500’s 670 tones and 200 patterns.


Both the Casio WK 6600 and the Casio WK 6500 come with a range of connectivity options. They both have a USB port, MIDI in/out, and audio in/out. Additionally, they also have a few additional connectivity options, including a mic input, line input, and a pedal jack. The mic input allows you to connect a microphone and use the keyboard as a karaoke machine, while the line input allows you to connect an external audio source. Check our other comparison in: Yamaha P515 Vs Roland RD 88 here.

Casio WK-6600 Vs WK-6500

The Casio WK-6600 and WK-6500 are both workstation keyboards with many similarities, but there are some differences between the two models. Here are some of the main differences:

  • Number of Sounds and Rhythms: The WK-6600 has 30 more built-in tones and 10 more rhythms than the WK-6500.
  • Weight: The WK-6500 is slightly heavier than the WK-6600.
  • Patterns: The WK 6600 has 210 built-in patterns while the WK 6500 has 200 patterns.
  • Price: The WK-6600 is generally more expensive than the WK-6500.
- 16 track song sequencer + 1 system track supports recording of up to 5 songs or approximately 30,000 notes
- Combine instrumentals from the 210 built-in rhythms, toggle individual instrumental portions and adjust parameters to create your own personal rhythms
- With the Tone Editor, attack and release time, cut off, vibrato, reverb, chorus and DSP can be adjusted based on your preferences
- Features a choice of 700 tones to expand your music creativity, and offers 48 notes of polyphony to prevent dropped notes
- 76-Key Full Size Keyboard Workstation
- 670 Tones and Programs
- 48 Polyphony, 10 User Tones and 200 Rhythms
- USB MIDI Class Compliant


After comparing the Casio WK 6600 and the Casio WK 6500, it is clear that both keyboards are very similar and almost identical. If you want more tones and patterns, we can easily recommend the WK 6600 as this model is usually easier to find. But the WK 6500 is also a great choice for those who don’t need the extra tones and patterns, especially when all features are very similar, including the effects like Reverb, Chorus, and user DSP.