In this review, we evaluate the best keyboard synthesizer under 300 available today. We have also included a comprehensive guide that helps you pick the best product. We hope that by going through the top 10 best keyboard synthesizer under 300 reviews below, you can effectively narrow down your choice and find the most appropriate one you need.

In Hurry? Checkout Our Top Pick Of Best Keyboard Synthesizer Under 300.

Best Keyboard Synthesizer Under 300

Rank	Product Name	Score
1	Vintage Synthesizers: Pioneering Designers, Groundbreaking Instruments, Collecting Tips, Mutants of Technology Buy Now	9. 7 Check Price
2	Akai Professional MPK Mini MKII – 25 Key USB MIDI Keyboard Controller With 8 Drum Pads, 8 Assignable Q-Link Knobs and Pro Software Suite Included Buy Now	9. 5 Check Price
3	Yamaha REFACE DX Portable FM Synthesizer Buy Now	9. 1 Check Price
4	Casio CT-X700 61-Key Portable Keyboard Buy Now	8. 8 Check Price
5	YAMAHA PSR-EW300 SA 76-Key Portable Keyboard Bundle With Stand And Power Supply Buy Now	8. 6 Check Price
6	AKAI Professional MPK Mini Play – USB MIDI Keyboard Controller With a Built in Speaker, 25 mini Keys, Drum Pads and 128 Instrument Sounds Buy Now	8. 2 Check Price
7	Behringer Synthesizer (MS1BU),Blue Buy Now	8. 0 Check Price
8	Behringer Synthesizer (TD-3-SR) Buy Now	7 .7 Check Price
9	AKAI Professional MPK Mini MK3 – 25 Key USB MIDI Keyboard Controller With 8 Backlit Drum Pads, 8 Knobs and Music Production Software included (Black) Buy Now	7. 4 Check Price
10	M-Audio Keystation 88 MK3 – 88 Key Semi Weighted MIDI Keyboard Controller for Complete Command of Virtual Synthesizers and DAW parameters Buy Now	7. 2 Check Price

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1. Vintage Synthesizers: Pioneering Designers, Groundbreaking Instruments, Collecting Tips, Mutants of Technology

• Pages: 352

2. Akai Professional MPK Mini MKII – 25 Key USB MIDI Keyboard Controller With 8 Drum Pads, 8 Assignable Q-Link Knobs and Pro Software Suite Included

• 25 keys

3. Yamaha REFACE DX Portable FM Synthesizer

• 4-operator FM Sound Engine offers dynamic and expressive additive synthesis
• 32 Voice memory locations allow storing and recalling favorite Voices
• Integrated phrase Looper: capture song ideas or just jam!
• HQ mini keyboard (37-keys) allows fast, natural performance with premium feel and response
• Built-in speaker system lets you play any place, any time.Type of Keys-Mini synth keys with initial touch.

4. Casio CT-X700 61-Key Portable Keyboard

• 61 full-size touch-responsive keys
• 600 tones, 195 rhythms
• Class-compliant USB-MIDI
• 1/4″ headphone out
• Includes AC adapter (or 6XAA batteries, sold separately)

5. YAMAHA PSR-EW300 SA 76-Key Portable Keyboard Bundle With Stand And Power Supply

• Bundle includes PSRE EW300 keyboard, PKBS1 keyboard stand and PA130 power supply
• A 76 key portable keyboard with 574 voices, 165 styles and 154 preset songs, Recording number of songs 5, Number of tracks 2, Data capacity approx, 10,000 notes
• Yamaha Education Suite (Y.E.S.) allows you to practice using the preset songs (or MIDI files on compatible instruments) at your own pace, 1 hand at a time, or both together
• Touch tutor lesson mode tracks the velocity or strength the keys are played at in order to teach dynamics
• USB to host connectivity with MIDI and audio transfer means you only need 1 cable to connect to your music making software. Number of Polyphony (Max.): 48

6. AKAI Professional MPK Mini Play – USB MIDI Keyboard Controller With a Built in Speaker, 25 mini Keys, Drum Pads and 128 Instrument Sounds

• Standalone Piano Style Keyboard – Portable mini keyboard and USB MIDI controller with 25 velocity-sensitive synthesizer action keys, pitch/mod joystick control, plus 128 sounds and 10 drum kits
• Play Anywhere – Built in speaker, 1/8-inch headphone output and battery powered specification (3 x AA batteries – not included) for performing and producing on the go
• Beat Maker Essential – 2 banks of 8 ultra-responsive backlit MIDI drum pads with Note Repeat and Full Level functions for drum machine style performance and music production
• Tweak, Customize – 2 banks of four knobs (8 total) to tweak internal sounds or software parameters, In standalone mode control chorus, reverb, filter, EQ and envelope controls
• The MPC Production Experience – Includes MPC Beats Software complete with the finest features and essential production tools from the Akai Professional MPC Series
• Pro Software Suite – Includes ProTools First, Akai Pro MPC Beats, AIR Music Tech Hybrid 3 and SONiVOX Wobble (downloads)

7. Behringer Synthesizer (MS1BU),Blue

• Amazing MONOPHONIC synthesizer with authentic 3340 analog oscillator for insanely fat music creation
• Pure analog signal path based on legendary vco, VCF and VCA designs to recreate the classic sound performance
• Oscillator with 4 simultaneously-mixable waveforms: Saw, triangle, square/PWM and octave-divided square sub-oscillator
• Resonant VCF can be modulated with ADSR, LFO, keyboard tracking and bender controller
• Ms-101-bu, Behringer, ms-101-bu, Behringer

8. Behringer Synthesizer (TD-3-SR)

• Amazing bass line synthesizer with true analog circuitry for bass and groove sounds
• Authentic reproduction of original circuitry with matched transistors
• Pure analog signal path based on legendary vco, VCF and VCA designs
• Sawtooth and square waveform vco with transistor wave-shaping circuitry
• Amazing 4-pole low-pass resonant filter with cut-off, resonance, envelope, decay and accent controls

9. AKAI Professional MPK Mini MK3 – 25 Key USB MIDI Keyboard Controller With 8 Backlit Drum Pads, 8 Knobs and Music Production Software included (Black)

• Music Production and Beat Maker Essential – USB powered MIDI controller with 25 mini MIDI keyboard velocity-sensitive keys for studio production, virtual synthesizer control and beat production
• Total Control of your Production – Innovative 4-way thumbstick for dynamic pitch and modulation control, plus a built-in arpeggiator with adjustable resolution, range and modes
• The MPC Experience – 8 backlit velocity-sensitive MPC-style MIDI beat pads with Note Repeat & Full Level for programming drums, triggering samples and controlling virtual synthesizer / DAW controls
• Complete Command of your Virtual Instruments and FX – 8 360-degree knobs assign to all your music studio plugins for mixing, tweaking synth controls and more
• 1500+ Sounds and Everything You Need for Pro Production – Complete Music Production Starter Kit including MPC Beats, 6 Virtual Instruments and 2GB of sound content

10. M-Audio Keystation 88 MK3 – 88 Key Semi Weighted MIDI Keyboard Controller for Complete Command of Virtual Synthesizers and DAW parameters

• Music Production Essential – MIDI keyboard controller with 88 full-size velocity-sensitive semi weighted keys for MIDI control of virtual instruments, software samplers and plug-in synthesizers
• MIDI Keyboard Must-Haves – Volume fader, transport & directional buttons, pitch & modulation wheels, octave up & down buttons and sustain pedal input for expressive performances
• Immediate Creativity – Effortless plug-and-play USB connectivity to Mac or PC—no drivers or power supply required, compatible with iOS devices via the Apple to USB Camera Adapter
• Your Music Studio Equipment Centerpiece – Slimline design fits any desk, studio or stage setup perfectly and advanced functionality customizes your controls for your recording software
• Everything You Need for Pro Music Production – MPC Beats, Pro Tools First M-Audio Edition, Ableton Live Lite, 6 virtual instruments with 1000+ Sounds and 50+ expertly curated MPC Kits