Best Sequencer Synthesizer Keyboards in 2025

256-step Sequencer

Arpeggiat

16-step sequencer allows to automate each parameters

High playability

State Variable Analog Filter

Includes Power cord, and user's manual

Instant Inspiration- Bass Station II's pattern-based arpeggiator and step sequencer are a fun and immediate way to find new inspiration. The sequencer lets you record your own notes, ties, rests, and rhythms in real time, then store them, recall them, and use them with any patch you like. Easily and automatically sync them to your music software or hardware setup, or even add swing to get your groove going.

Easily load and save patches- There’s space for 128 patches, and 64 factory sounds are included. Downloadable artist packs cover a huge range of styles and give you even more presets to get inspired, and you can create your own sounds from scratch and save them in any preset slot.

Connect to Just About Anything- Bass Station II is fully class compliant, so you can plug into anything via USB and start playing. It also has MIDI I/O on 5 pin din ports, so you can connect your other MIDI gear. You can even connect an external instrument and run it through Bass Station II's analogue filter and effects.

Classic Moog* 24 dB ladder filter with resonance for legendary sound performance

Switchable low/high pass filter mode for enhanced sound creation

Sync In and Out allows clock sync of multiple instruments from the Volca series

Play anywhere with the built-in speaker and optional battery power

The USB port provides easy computer and MIDI send/receive connection

The sound source is pre-programmed with digital samples of acoustic musical instruments recorded using the most advanced digital technology

Sync I/O

Sturdy and compact body, with battery operation

Can switch between a variety of synth modes

DOES NOT OBSCURE THE SPEAKER AND BACKLIGHT - The CA-X Blue Case has specific cutouts for the speaker for you to hear the beats clearly. Plus, this silicone casing doesn't completely hide the LEDs on the Pocket Operator.

OFFERS A UNIVERSAL FIT FOR ALL POCKET OPERATORS - Instead of specific symbols, the CA-X Case features numbers so that you can use it with any Pocket Operator. It is compatible with PO-12 Rhythm, PO-14 Sub, PO-16 Factory, PO-20 Arcade, PO-24 Office, PO-28 Robot, PO-32 Tonic, PO-33 K.O!, PO-35 Speak, PO-128 Mega Man, and PO-137 Rick & Morty.

Use with Mac or Windows computers without downloading drivers or as a controller for the Apple iPad simply by using Apple’s Camera Connection Kit

Features a choice of 820 tones to expand your music creativity, and offers 64 notes of polyphony to prevent dropped notes.Amplifier:7W + 7W

Includes 260 preset plus 100 user-created rhythms to expand your music composition, creativity and fun

Easily create splits, layers or both simultaneously; store this combination of three tones as a registration for instant recall on stage

16 step buttons for faster real-time step edits

Push button + turn knob for "parameter lock" style motion sequencing

SD card included for saving Project Data and Audio Data

Power with 4 AA batteries or USB

4 tracks and 64 clips (16 clips per track)

Features: Track Multi-Effects (90 types); Track EQ; Chorus/Delay (9 types); Reverb (7 types); Master Effects (90 types); Master Compressor; Master EQ

128-step Step Sequencer

Powerful step sequencer and song arranger

Performance mode

Bidirectional MIDI

16-step Polyphonic Sequencer

4 Voice Modes

VERSELAB is designed for modern music making and vocal recording. The high-quality XLR mic input makes it easy to record vocals with built-in effects like Auto-Pitch, Harmonizer, Doubler and more. Just plug in a mic, dial in the sound, and go. With 16 easy access takes and the ability to copy them anywhere in your song, arranging is a snap.

For songs to knock, you need the best sounds available. Roland’s sound has helped define hip-hop and other modern genres for decades, from the TR-808 to the SP-404. This sonic legacy is packed into VERSELAB, with over 3000 curated sounds that hit the spot.

VERSELAB uses our most advanced sound engine—the ZEN-Core Synthesis System. It’s at the heart of our professional synthesizers and ensures top-notch sound quality. With Roland Cloud, you can expand the onboard library with thousands of new tones, including genre-specific Sound Packs to keep your music fresh.

Go beyond the mouse and keyboard with VERSELAB’s inspiring RGB-lit pads and hands-on controls. Combining the TR-REC step sequencer found in legendary Roland drum machines with an ultra-responsive 4x4 pad matrix, you can bang out drum tracks, basslines, and melodic parts as fast as they come to you.

With expanding plug-and-play Zenbeats integration, you can connect VERSELAB to your computer, tablet, or smartphone for another level of production capability. Mix your VERSELAB songs or bounce tracks in Zenbeats, use plug-in instruments and effects, and much more via a simple USB connection.

VERSELAB is compact, portable, and can be powered by a mobile battery, so you can make tracks just about anywhere. Collaborate in person or remotely by sharing projects or tapping into the cloud storage features of Zenbeats. When your song is ready, mix and master directly from VERSELAB, then connect your mobile device and upload to your favorite music platform or social channels.

BOUNCE STEMS

Programmable chord sequencer with 64 user patterns and up to 64 steps in each

Four-voice JUNO-60 synth engine with authentic sound realized through Analog Circuit Behavior (ACB) technology

Includes 64 ready-to-play synth presets derived from the original JUNO-60

Filter and envelope controls for shaping synth sounds in real time

High-quality delay and reverb effects with customizable settings

Comprehensive connectivity with audio, MIDI, and sync I/O plus AIRA Link

Class-compliant USB-C audio/MIDI interface—no drivers needed

Advanced low-pass, high-pass, and side-band filters with high-resolution controls

Massive real-time control with dedicated knobs, sliders, and buttons

Polyphonic step sequencer with classic trs-rec style interface

Arpeggiator, vocoder, and polyphonic chord memory functions

Cv/Gate outputs for interfacing with modular synths and vintage gear

Large selection of Onboard effects with hands-on controls

Usb Audio/MIDI interface and control surface Mode

New SuperNATURAL pianos with authentic acoustic grand sound and response

Virtual ToneWheel Organ with harmonic bar control and quick-fire playability

Deep onboard sampling features

4x32 USB audio interface and native integration with Logic Pro, MainStage, and Ableton Live

Scenes contain settings for all 16 layers plus effects and patterns

Clip-based sequencing with instant pattern recording and triggering

TR-REC sequencer inspired by classic Roland drum machines

Variable gate timing, including ratcheting

Can daisy-chain multiple modules using the XP IN/OUT jacks

Manufactured and sold by Dave Smith Instruments, the OB-6 features six discrete analog voices with two oscillators (plus sub oscillator) per voice, continuously variable waveshapes with triangle, sawtooth, and variable-width pulse waves, X-mod with 2 sources and 5 destination, a 64-step polyphonic step sequencer, dual digital effects that include faithful recreations of Tom’s acclaimed phase shifter and ring modulator, a full-featured arpeggiator, and a powerful, in-your-face, sonic signatur...

This analog powerhouse is packed into a four-octave, semi-weighted keyboard with velocity and channel aftertouch, making it perfect for stage or studio

2 Envelope Generats

16-step Sequencer

Pattern Chaining

4 Mono Outputs

Equally suited for studio, stage, and traveling, the SH-4d is an incredibly versatile synth that unleashes inspiration from the moment you power on

Four independent synth parts and a dedicated rhythm part with up to 60 voices of total polyphony

Multitimbral sequencer with 128 patterns, real-time recording, two step-entry modes, and motion recording

Fully loaded direct-access panel with 32 knobs, four sliders, and a massive array of buttons

Effects

Arpeggiator and Step Sequencer

Includes Gooseneck Microphone

SuperNATURAL synth engine is fully compatible with the expansive collection of free INTEGRA-7 synth tones available from Roland's Axial sound library site

16-track sequencer with non-stop loop recording makes it easy to build songs quickly; export your sequencer tracks to an SDHC card as a complete stereo mix, or as multitrack audio or MIDI data for use in your DAW

MIDI

LFO

Process sounds with four simultaneous effects (Effect 1/2, Delay, Reverb)

Includes a large selection of ready-to-play sounds and patterns

EXTRA CONNECTIVITY – Employ the full-size XLR microphone input and included gooseneck mic to input your voice for filtering and shaping the synthesized sounds. MIDI In/Out ports and a Micro-USB connector open up whole new worlds of digital control.

OTHER FEATURES INCLUDED - Blend your voice with onboard string sounds to create unique sonic textures; Dual ribbon controllers for pitch bend, modulation, and more; Compatible with the K-25m 25-note keyboard; and durable metal front panel.