The Roland JD-08 is a compact digital synthesizer module in the Boutique series that recreates the sound and behavior of the classic 1991 JD-800, while adding modern features like expanded polyphony and a polyphonic sequencer. Key Features and Specifications

• Sound Engine: Digital sound generation using advanced modeling of the original JD-800's architecture (an evolution of LA synthesis), featuring 108 original waveforms.
• Polyphony & Multitimbrality: Offers up to 128 voices of polyphony (depending on the patch load) and is two-part multitimbral, allowing for complex, layered sounds.
• Sequencer & Arpeggiator: Includes a two-part, 64-step polyphonic sequencer with motion recording and a random pattern generator, plus an onboard arpeggiator.
• Effects: Features a detailed recreation of the JD-800's two-stage multi-effects section with seven effect types: distortion, phaser, spectrum, enhancer, delay, chorus, and reverb.
• Controls: Designed with numerous miniature "palette" sliders for hands-on parameter adjustment, though some functions require menu navigation via the 4-character LED display.
• Connectivity: Equipped with a USB-C port (for audio/MIDI interface and power), full-size MIDI I/O (DIN connectors), 1/8" stereo headphone and main outputs, a 1/8" mix input, and an external clock input.
• Portability: Compact, lightweight design with a durable metal front panel, powered via USB-C or 4 x AA batteries, and features a built-in mini speaker.
• Memory: Comes with the original 64 presets plus 21 new ones, with a total of 256 user patch memory locations and 128 pattern memory locations.