This Yamaha MX review looks at Yamaha’s lightweight synthesizer series: the MX49, MX61 and MX88. The MX range packs a large library of sounds taken from Yamaha’s flagship MOTIF workstation into a portable, affordable keyboard that also works as a USB audio and MIDI interface and DAW controller. For gigging keyboardists and home producers who want one keyboard that does both, it’s a strong option.
Yamaha MX Overview
The MX series comes in three sizes:
- MX49: 49 keys, very compact and light.
- MX61: 61 keys, a good balance of range and portability.
- MX88: 88 keys with Yamaha’s weighted GHS (Graded Hammer Standard) action, for players who want a piano feel.
The MX49 and MX61 use synth-action keys, which suit synth leads, pads and fast playing.
Sound Engine
The MX uses Yamaha’s AWM2 sample-based engine. It has 1,106 voices drawn from the MOTIF series plus 61 drum kits. The palette covers acoustic and electric pianos, organs, strings, brass, synths and drums.
- Polyphony: 128 notes, enough for layered sounds and sustained playing.
- Multitimbral: 16 parts, so it can act as a sound module for full arrangements from your DAW.
- Arpeggiator: 999 arpeggio types for rhythmic patterns and grooves.
- Performance modes: layer and split voices for live playing.
The piano and electric piano sounds are a highlight, and the MOTIF heritage shows in the strings and synth pads. It isn’t a deep synthesizer for sound design, since editing is limited, but as a playable sound library it delivers a lot.
Controls and Connectivity
The front panel is simple, with four assignable knobs for real-time control such as filter cutoff and resonance, plus category buttons to find sounds quickly. There are pitch and modulation wheels.
Connectivity includes:
- USB to host: class-compliant, bidirectional audio and MIDI. The MX can send its sounds into your DAW as audio over USB, so you can record without a separate audio interface.
- MIDI in and out (5-pin DIN) for controlling or being controlled by other hardware.
- Stereo outputs and a headphone output.
- Aux input for playing along with backing tracks.
- Sustain and foot controller inputs.
DAW Integration
The MX can act as a remote controller for popular DAWs, with transport and parameter control from the front panel. It’s bundled with Cubase AI, which gives beginners a complete recording setup out of the box. Because the MX is class-compliant, it also works with iOS devices and other DAWs without special drivers.
If you’re deciding between a controller and a hardware synth, the MX sits nicely in between. Read our guide on whether to get a MIDI controller or a synth for more.
Build and Portability
The MX series is designed to be carried. The plastic chassis keeps weight low, and the MX49 and MX61 are easy to carry to rehearsals and gigs. The trade-off is a less premium feel than metal-bodied workstations. The MX88’s weighted action adds weight but gives a much more realistic piano touch.
Pros and Cons
Pros
- Large library of MOTIF-derived sounds.
- Built-in USB audio and MIDI interface.
- Lightweight and portable.
- DAW control and bundled Cubase AI.
- Affordable for the sound quality.
Cons
- Limited deep sound editing on the instrument.
- Small display.
- Plastic build is less robust than pro workstations.
- No onboard sequencer or sampler.
Who Is the Yamaha MX For?
The MX is ideal for:
- Gigging keyboardists who need quality sounds in a light package.
- Home producers who want a keyboard, sound module and simple audio interface in one.
- Students and beginners who want realistic sounds and a DAW bundle.
Sound designers who want deep synthesis, or producers who want an all-in-one workstation with sequencing, may prefer something like the Roland FA series.
Yamaha MX for Live Performance
On stage, the MX’s strengths are speed and weight. Category buttons let you jump between pianos, organs, strings and synths in a couple of presses. Layers and splits let you play a bass with your left hand and a pad or piano with your right.
The aux input is handy for small gigs or rehearsals: plug in a phone or laptop to play along with backing tracks through the same outputs. For larger shows, the MX can be driven by a laptop running backing tracks over USB, with the keyboard providing both sounds and control.
Yamaha MX in the Studio
In a home studio, the MX can replace several pieces of gear. As a controller, its keys and knobs play your software instruments. As a sound module, its 16 parts can play a full arrangement from your DAW. As an audio interface, it streams its own sound into your recording software over USB, which keeps a beginner setup simple.
Many producers use the MX’s pianos, electric pianos and strings as quick, good-quality sketch sounds, then replace or layer them with software instruments later in the production.
Verdict
The Yamaha MX series delivers an impressive amount of usable, professional-quality sound in a portable, affordable form. Its USB audio and MIDI integration makes it far more than a preset keyboard. It’s a smart pick for players who value great sounds and simplicity over deep editing.
Frequently Asked Questions
Does the Yamaha MX have weighted keys?
Only the MX88, which uses Yamaha’s GHS weighted action. The MX49 and MX61 have synth-action keys.
Can the Yamaha MX be used as an audio interface?
Yes, for its own sounds. It streams its internal sounds to your computer over USB audio, so you can record the keyboard without a separate interface.
Can I edit sounds on the Yamaha MX?
Basic edits are possible with the knobs and settings, and Yamaha provides editor software. It isn’t designed for deep synthesis, though.
Is the Yamaha MX good for beginners?
Yes. It’s easy to use, has great sounds and includes Cubase AI for recording.