Brand
Kurzweil is an American music technology brand best known for high-end keyboards, synthesisers, and digital pianos, with a strong heritage in sound design and expressive playability. The company was founded in the 1980s by Ray Kurzweil, with an early focus on advanced sampling and realistic instrument emulation.
They’re particularly respected for their V.A.S.T. synthesis engine (Variable Architecture Synthesis Technology), which allows deep sound shaping and complex signal paths, making Kurzweil instruments popular with professional players, composers, and studios. Their keyboards are often used for stage performance, film scoring, and serious production work, blending classic sounds with powerful modern synthesis.
For SynthForSale, Kurzweil sits firmly in the premium keyboard and synthesiser category — instruments built for musicians who value depth, realism, and long-term reliability over quick presets or trend-driven features.
Category
Keyboards are versatile electronic instruments used for learning, songwriting, production and live performance. They range from simple, portable models with built-in sounds to more advanced instruments designed for studio and stage use. If you want an accessible way to explore music across many styles, keyboards offer flexibility, convenience and creative freedom.
Tags
A controller is a device designed to control electronic instruments, software, and hardware without generating sound on its own. It sends performance and control data, allowing parameters such as notes, velocity, modulation, and automation to be played or adjusted in real time. Controllers are central to hands-on workflow, enabling expressive control in both studio production and live performance.
Digital is sound generation and processing based on digital signal processing rather than analogue circuitry. It is used for precise control, stable tuning, patch memory, and complex sound design that would be difficult to achieve with purely analogue systems. For example, a digital instrument might be used to create detailed evolving textures or realistic emulations while storing and recalling complete sound setups instantly.
Portable keyboards and pianos are lightweight, compact instruments designed for easy transport without sacrificing playability. They deliver a wide range of sounds, built-in features, and practice tools, making them popular with beginners, students, and travelling musicians.
Many models include battery operation, onboard speakers, and connectivity options, so you can play anywhere — at home, on stage, or on the move. Despite their smaller size, portable instruments often feature weighted or touch-sensitive keys for expressive playing.
Perfect for learning, rehearsing, or performing, portable keyboards and pianos combine convenience with versatility.
