Yamaha S90XS

$899.95 Price Tier: Standard

5.0 (3)

1 Critic Review

1 Review

Find out who is using Yamaha S90XS

1 community setup

3 wishlisted

6 saved

Page last updated Jun 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 4, 2026.

Store

Reviews

Price

5.0 (5)

$899.95 8 available Used

View Deal

Average Price: $900

Standard/Professional

$500

$1501+

Price Tier

In the Synthesizers category, Yamaha S90XS 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

^* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Edit description

Unlock your creative potential with the Yamaha S90XS, a versatile synthesizer that marries performance with production prowess. Designed for musicians who demand excellence both on stage and in the studio, the S90XS combines Yamaha’s legendary sound quality with intuitive controls that make music creation seamless. With an impressive 88-key Balanced Hammer Effect keyboard, it offers the tactile response of an acoustic piano, giving you expressive control over a wide range of sounds.

This powerhouse of a keyboard boasts 1,024 diverse voices, including Yamaha’s exclusive S6 concert grand piano, ensuring you have the perfect sound for any genre. The S90XS is more than just an instrument; it’s a complete music production hub. Plug in your microphone to add vocals to your live performance or record directly to a USB drive to capture your musical ideas on the fly. Its integrated DAW controls allow you to manage your digital audio workstation right from the keyboard, streamlining your workflow.

Whether you’re a seasoned professional or an aspiring artist, the Yamaha S90XS empowers you to deliver inspired performances and create studio-quality tracks with ease.

Key Features:

88-key Balanced Hammer Effect keyboard with Initial Touch and Aftertouch
1,024 voices including Yamaha's exclusive S6 concert grand piano
USB recording and playback capabilities
Integrated DAW controls for seamless studio integration
Microphone input with customizable effects like reverb and chorus
128-note polyphony for complex compositions
Includes Cubase AI software for comprehensive music production
Assignable control sliders and knobs for personalized sound shaping

Product specs

Brand	Yamaha
Model	S90 XS 88-key Master Keyboard
Finish	Black
Year	2009 - 2025
Categories	Digital Synthesizers, Workstation Keyboards
Analog / Digital	Digital
Key Size	Full Size
Keyboard Action	Weighted
MIDI I/O	MIDI Input, MIDI Output, MIDI Through, USB MIDI
Number of Keys	88 Keys
Polyphony	128 Voices

FAQs

What type of keyboard action does the Yamaha S90XS have?: The Yamaha S90XS features a weighted keyboard action, providing a realistic piano feel that is ideal for pianists and keyboardists seeking an authentic playing experience.
Is the Yamaha S90XS suitable for live performances?: Yes, the Yamaha S90XS is well-suited for live performances, offering 128-voice polyphony and high-quality sounds that cater to various musical styles, making it a versatile choice for gigging musicians.
How many keys does the Yamaha S90XS have?: The Yamaha S90XS is equipped with 88 full-size keys, providing a comprehensive range for performing a wide array of musical pieces.
Can the Yamaha S90XS be used as a MIDI controller?: Yes, the Yamaha S90XS functions as a MIDI controller with MIDI Input, Output, and Through, as well as USB MIDI, allowing seamless integration with other MIDI-compatible devices and software.
What is the polyphony capability of the Yamaha S90XS?: The Yamaha S90XS offers 128-voice polyphony, allowing for complex and layered sound performances without note dropouts during intricate passages.

Videos

Add video

muzykujkropkacom

Yamaha MX 61 VS Yamaha S90XS Motif

muzykujkropkacom

New Yamaha S90XS and S70XS Synthesiser

Mark

Yamaha S90 XS [engl.]

Musik Schmidt

우지이에 카츠노리의 야마하 뮤직 신디사이저 S90XS 소개

Yamaha Global

Yamaha MOXF vs S90XS Comparison piano.

muzykujkropkacom

S90 XS/S70 XS Introduction Movie

Yamaha Global

The Sociables "Locomotive Breath", "Hymn 43" Jethro Tull Cover

Benny Boswell

Yamaha S90XS sounds

Trigger Keys

YAMAHA S90XS и S70XS (Bert Smorenburg)

Melodiya Video

Reviews

Add review

PROS

Professional-grade action feels like a real piano, offering an authentic playing experience
Excellent integration with Cubase software enhances workflow for DAW users
Versatile sound library with impressive piano, organ, and synth voices
Onboard controls allow for easy live performance adjustments and layering
Sliders and knobs on the surface facilitate practical programming without menu diving
Compatible with MIDI setups, enhancing flexibility for church or studio use
Rich, tweakable sounds with the ability to customize voices extensively
Solid build quality suitable for frequent use in live or studio settings

CONS

Steep learning curve and poor documentation for new users
Heavy to transport, requiring a travel case for frequent movers
Limited end-user sound creation options may not satisfy hardcore synth enthusiasts
Some reports of quality issues with keys being stuck upon arrival
Requires specific USB 2.0 flash drives for file management, incompatible with some brands

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Yamaha S90XS.

Comparisons

0 0

The Yamaha S90XS shares technology with the Motif XS8, which can be found for significantly less, offering more features for a better price.
Source

Features and functionality

0 0

The S90XS is praised for its build quality as a 2008 Yamaha model, but newer models like the Juno DS88 offer superior sound quality.
Source
0 0

The S90XS allows real-time mixing of four sounds using faders, but cannot simultaneously control internal and external sounds in a performance setup.
Source
0 0

In performance mode, controls send internal sysex messages, not external MIDI CC, limiting integration with external MIDI devices.
Source
0 0

Assigning the same instrument to different outputs in Multi mode allows routing flexibility, enabling simultaneous use of main and assignable outputs with identical sounds.
Source

Value and pricing

0 0

The S90XS is considered overpriced at $1.3K compared to alternatives like the Motif XS8, which can be obtained for around 800 euros.
Source

Use cases and applications

0 0

The S90XS can significantly expand sound options compared to basic models like the Thomann SP, offering a more versatile experience for gigging and writing music.
Source

Software and compatibility

0 0

Owners find difficulty quickly switching between internal sounds and external MIDI sounds, such as those on an iPad, with the S90XS.
Source

User experience

0 0

Yamaha support confirmed the inability to combine performance capabilities with external control, a limitation highlighted by multiple users.
Source
0 0

Users discovering solutions in Multi mode highlight a learning curve; assigning outputs can be confusing initially but rewarding once mastered.
Source

Setup and maintenance

0 0

Static issues on the main outputs can worsen when attempting to assign outputs, indicating potential electrical grounding problems with the S90XS.
Source

Critic Reviews

Short Synth History Lesson: The Yamaha S90XS/S70XS keyboards - The Keyboard Chronicles

keyboardchronicles.com

The Yamaha S90XS and S70XS keyboards shine with their exceptional sound quality, featuring realistic piano samples from Yamaha's S6 concert grand piano. Praised for their expressive keyboard action and intuitive design, they cater to both professionals and hobbyists. With advanced features like real-time sound tweaking and USB audio recording, these synthesizers are versatile for stage and studio use. However, their age might mean missing out on newer innovations. Overall, they remain a solid choice for musicians valuing exquisite sound and playability.

positive

Full Review

Add review

5.0 out of 5

Based on 1 Review and 3 Ratings

5 star

4 star

3 star

2 star

1 star