Williams Aeris 61 Arranger Keyboard - Slate

Start with a piano, jump to a synth, add a full backing band and keep following the idea wherever it goes. The Williams Aeris 61 portable arranger keyboard gives new musicians, returning players and anyone looking for an approachable everyday instrument a responsive 61-key platform packed with sounds and modern playing features. Its full-size velocity-sensitive keys respond to how softly or strongly you play, bringing expressive dynamics to piano practice, melodies and performances. Explore 306 instrument sounds, build arrangements with 59 accompaniment styles, stream songs and lessons through Bluetooth Audio, or connect to compatible apps using Bluetooth MIDI. A full-range speaker system with Williams Ultra Bass delivers a fuller low-end response, while the bright display and straightforward controls keep the focus on playing instead of navigating menus.

Velocity-Sensitive Keys Bring Expression to Every Performance

The 61-note keyboard responds to playing dynamics, allowing notes to change in volume with the force of each keystroke rather than playing at a fixed velocity. That responsive feel gives beginners an important foundation for developing dynamic control while providing returning and more experienced players with greater expression during everyday practice and performance. With 32-note polyphony, Split functionality and a built-in metronome, the Aeris 61 supports everything from fundamental practice to exploring different keyboard textures and arrangements.

306 Sounds Make It Easy to Explore New Musical Directions

The Aeris 61 includes 306 instrument sounds spanning pianos, electric keyboards, synths, orchestral instruments, drums and more, giving players plenty of room to move beyond a single piano voice. Sounds are organized into categories for easier browsing, while a numeric keypad provides direct access when you already know what you want. Six customizable favorite presets work like radio presets, keeping frequently used sounds available from the top panel without repeatedly searching through the entire library. This streamlined interface encourages experimentation while remaining approachable for players who simply want to select a sound and start playing.

Modern Accompaniment Styles Put a Band Behind Your Playing

Built-in accompaniment turns simple keyboard performances into fuller arrangements by adding drums, bass and other backing instruments in response to the notes you play. The 59 included styles cover a range of genres, including rock, groove and EDM, and are organized into categories for quicker selection. Dedicated controls let players introduce fills, move between arrangement sections and trigger endings, making it possible to shape a performance in real time rather than playing over a static backing track. Whether practicing chord changes or experimenting with song ideas, these accompaniment tools provide a flexible musical foundation.

Bluetooth Audio and MIDI Connect Music Lessons and Apps

Bluetooth Audio lets you play songs, backing tracks, instructional videos and other compatible content through the Aeris 61 speaker system, so the keyboard and external audio can share the same listening setup. Bluetooth MIDI provides a wireless connection to compatible music and educational apps, including the free Williams app for customizing sounds and effects. USB-C adds another connection option, while a 1/4" sustain-pedal input and 1/8" stereo line/headphone output accommodate common practice and performance setups.

Ultra Bass Speakers and Portable Power Keep Music Moving

The integrated full-range speaker system uses an internal cabinet, DSP tuning and Williams Ultra Bass technology to provide a fuller low-end response from the keyboard's compact enclosure. The Aeris 61 can operate from six AA batteries or the included 12V power supply, making it easy to move between rooms, lessons and other playing spaces without giving up its onboard sounds and accompaniment features. For beginners developing their skills and returning musicians rediscovering the instrument, the Williams Aeris 61 arranger keyboard combines expressive keys, modern connectivity and flexible accompaniment in a portable, approachable design.