Does this pedal have a half-damper feature? (i.e. pressing pedal half way down produces half-sustain like a pedal does on a real piano)

No. It is either full on or off.

The sound doesn't seem to change no matter what I do with this sustain pedal????

The sustain pedal is not designed to change the sound of a played key or note. Its purpose is to sustain the played note for a longer period of time even after the piano key is released by the fingering. The sustained action does produce change harmonic sounds because the sound of a key is then blended with the sound of other keys played. I have the SP20 sustain pedal on my Casio Keyboard and It works very well. I like it because it is heavy and it stays where you place it and you can place it exactly where you want it.

Does this connect through a 1/4" jack?

I am cannot verify the inch measurement but assume it is a 1/4 inch. It is referred to as a "standard plug" which means it is not one of the mini-jacks of today's ipods and mp3 players, but like the old style stereo headphone jack plugs that came on stereo receivers and tape decks before the mini's. Hope this helps.

Will this work with the casio ctk-533?

It's a Casio product, so it should, but I can't say I'm 100 percent certain. I'd call Casio to make sure.

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Casio SP-20 Piano-Style Sustain Pedal | Piano-style sustain pedal; compatible with Casio keyboards & digital pianos

Casio SP-20 Piano-Style Sustain Pedal | Piano-style sustain pedal; compatible with Casio keyboards & digital pianos

Product ID: 809731

Details

Brand
Casio
Color
Black
Number of Keys
1
Skill Level
All
Special Feature
Portable

🎹Piano-style authentic feel

🔌6.35mm jack compatibility

🖤Sleek black polished finish

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Description

🎶 Sustain your sound, elevate your performance.

EXTENDED REACH - Long cord ensures comfortable positioning without restricting your movement.
AUTHENTIC PIANO FEEL - Experience true piano-style sustain for expressive, professional sound control.
SLEEK DURABLE DESIGN - Polished black finish adds a modern, professional look to your setup.
PORTABLE READY TO PERFORM - Lightweight and compact for easy transport to gigs or studio sessions.
SEAMLESS CASIO COMPATIBILITY - Works flawlessly with all Casio keyboards and digital pianos for instant plug-and-play.

The Casio SP-20 is a polished black, piano-style sustain pedal designed for all Casio keyboards and digital pianos. Featuring a 6.35mm jack and a long cord for flexible setup, it delivers authentic sustain control with professional-grade durability and portability, making it a top choice for musicians seeking reliable performance.

Specifications

ASIN	B004PKCH0M
Age Range Description	Adult
Best Sellers Rank	#9,233 in Musical Instruments ( See Top 100 in Musical Instruments ) #42 in Keyboard Pedals & Footswitches
Brand Name	Casio
Color	Black
Connectivity Technology	RCA
Connector Type	6.35mm Jack
Customer Reviews	4.7 4.7 out of 5 stars (1,483)
Finish Type	Polished
Global Trade Identification Number	00079767344924
Headphones Jack	3.5mm Jack
Included Components	Music stand, AC adapter, User manual
Instrument	Digital Piano, Piano
Item Dimensions	12 x 3.25 x 5 inches
Item Dimensions D x W x H	9.84"D x 2.76"W x 2.05"H
Item Type Name	Piano-Style Sustain Pedal
Item Weight	0.85 kg
Manufacturer	Casio Inc.
Manufacturer Part Number	SP20
Model Name	SP20
Model Number	SP20
Number of Items	1
Number of Keys	1
Power Source	Corded Electric
Size	3.3
Skill Level	All
Special Features	Portable
Style	Boom microphone stand with a telescoping boom arm
UPC	079767344924
Unit Count	1 Count
Warranty Description	1 year.

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55599 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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