Yamaha MX49BU MX49 Music Production Synthesizer, Blue
Bottom line: The Yamaha MX49BU MX49 Music Production Synthesizer ($649.99 on Amazon as of 2026-10-06): 1000+ MOTIF-series voices in a 4.5kg, gig-friendly compact body; main trade-off: 49 mini-ish keys are unweighted synth-action, not for piano purists.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 1000+ MOTIF-series voices in a 4.5kg, gig-friendly compact body
- ✓ Class-compliant USB audio+MIDI over one cable, zero driver install
- ✓ 128-note polyphony handles full 16-track sequences without dropouts
- ✓ Motif engine layers, zones and cycles up to 8 elements per voice
Cons
- ✗ 49 mini-ish keys are unweighted synth-action, not for piano purists
- ✗ No aftertouch limits expressive dynamic control for some players
- ✗ Editing 8-element voices leans on computer software, not deep panel menus
- ✗ Blue colorway costs the same but is harder to resell than black
Manufacturer description
The MX BK/BU is a compact, lightweight Music Synthesizer with over 1000 Voices from the legendary MOTIF series plus deep computer and iOS integration. The MX BK/BU features a Class Compliant USB audio and MIDI interface for plug-and-play operation with your Mac, PC or iOS device.
SpecPicks Verdict
SpecPicks scored Yamaha MX49BU MX49 Music Production Synthesizer using a rating × review-volume × price-fit model applied to published specs and reviews across the audio & midi category. Compare with similarly-priced alternatives in the audio & midi category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Class Compliant USB Audio/MIDI for true "plug and play" connectivity without installing any drivers
- Motif Sound Engine: layer, zone, switch, cycle, randomize and control up to 8 elements within a single voice
- Virtual Circuit Modeling re-creates the sound and behavior of vintage effects and signal processors
- 128 notes of polyphony ensures dropout-free performance playing live or with full 16-track sequences
- Record/playback stereo audio and 16 channels of MIDI data via a single USB cable without any external devices
Full Specifications
| Brand | Yamaha |
|---|---|
| Color | Blue |
| Model Name | MX49 Music Production Synthesizer, Blue |
| Unit Count | 1.0 Count |
| Part Number | MX49BU |
| Connectivity | USB |
| Model Number | MX49BU |
| Body Material | Plastic |
| Compatibility | Switch |
| Connector Type | USB |
| Item Type Name | 49-Key Music Production Synthesizer for Studio, Stage and Home, MOTIF Sound Engine, Lightweight Keyboard, Blue |
| Item Dimensions | 38.6 x 15.2 x 7.2 inches |
| Motif Sound Engine | layer, zone, switch, cycle, randomize and control up to 8 elements within a single voice |
| Included Components | USB Cable |
| Item dimensions L x W x H | 38.6 x 15.2 x 7.2 inches |
| Global Trade Identification Number | 00889025107679 |
Ready to buy?
Yamaha MX49BU MX49 Music Production Synthesizer, Blue is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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