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Average Price: $470
Budget/Beginner
$500
$1501+
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Price History
Based on price data from 3 merchants for "Roland JX-08 Boutique Series Polyphonic Synthesizer Module with K-25m Keyboard". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Embrace the nostalgia of the '80s with the Roland JX-08 Boutique Series Polyphonic Synthesizer Module, complete with the K-25m Keyboard. This compact powerhouse brings the iconic sound of the JX-8P to the modern stage, offering both seasoned musicians and newcomers an authentic sonic experience. The JX-08 features a full set of hands-on controls reminiscent of the PG-800 programmer, allowing for intuitive manipulation of its extensive sound palette. With dual oscillators and both high-pass and low-pass filters, this synth is ready to produce everything from lush pads to searing leads.
The JX-08 doesn’t just replicate the past—it enhances it. With 20-voice polyphony, 32 classic presets, and 111 modern ones, it offers rich diversity for any production style. Delve into 17 onboard effects, including the legendary JUNO-106 chorus and the SDD-320 reverb, to craft your signature sound. This module is also equipped for the road with its rugged construction, battery-powered option, and built-in mini speaker, making on-the-go creativity a breeze.
But the JX-08 isn’t just about sound; it's about performance. It features a 2-part multitimbral mode, allowing you to layer sounds or split them across the keyboard. The 64-step sequencer, complete with motion recording and a random pattern generator, provides abundant opportunities for spontaneous composition and performance.
Key Features:
- Authentic JX-8P sound replication with modern enhancements
- 20-voice polyphony and hands-on control for versatile sound shaping
- 32 original presets plus 111 new ones for diverse soundscapes
- 17 effects including JUNO-106 chorus and SDD-320 reverb
- 2-part multitimbral operation and 64-step sequencer with motion recording
- USB-C audio/MIDI interface and mini speaker for portable music production
- Powered by 4 AA batteries or USB, with robust build for durability
Product specs
| Type | Desktop Synthesizer and Sequencer |
| Analog/Digital | Digital |
| Pads | 16 x Multi-function buttons |
| Polyphony | 20 notes |
| Presets | 32 x Original JX-8P Presets, 111 x Factory, 113 x User |
| Oscillators | 2 x DCO |
| Waveforms | Sawtooth, Square, Pulse, Noise |
| Envelope Generator | 1 x ADSR |
| LFO | 1 x LFO (sine, square, random) |
| Filter | Highpass |
| Effects Types | 3 x Chorus, 4 x Delay, 2 x Phaser, 2 x Pitch Shifter, Overdrive, Fuzz, Bit Crusher, Lo-Fi Comp, FIlter |
| Arpeggiator | Yes |
| Sequencer | 2-part, 8-note per part, 64-step, 128 patterns |
| Analog Inputs | 1 x 1/8" (mix in) |
| Analog Outputs | 1 x 1/8" |
| Headphones | 1 x 1/8" |
| MIDI I/O | In/Out/USB |
| Other I/O | 1 x 1/8" (clock in) |
| USB | 1 x USB-C |
| Power Supply | USB bus power / 4 x AA batteries (included) |
| Height | 1.87" |
| Width | 11.81" |
| Depth | 5.06 |
| Weight | 2 lbs. (with batteries) |
FAQs
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Is the Roland JX-08 polyphonic or monophonic?
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The Roland JX-08 is a polyphonic synthesizer with a 20-note polyphony, allowing you to play complex chords and layered sounds.
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What type of synthesis does the Roland JX-08 use?
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The Roland JX-08 utilizes digital synthesis with dual DCOs (Digitally Controlled Oscillators) to recreate the classic sounds of the original JX-8P synthesizer.
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Can the Roland JX-08 be powered by batteries?
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Yes, the Roland JX-08 can be powered by 4 AA batteries, making it portable and convenient for mobile use.
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What are the connectivity options for the Roland JX-08?
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The Roland JX-08 features MIDI In/Out, USB-C for connectivity, and 1/8" analog input and output, making it versatile for studio and live setups.
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Does the Roland JX-08 come with a keyboard?
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Yes, the Roland JX-08 includes the K-25m Boutique Keyboard Unit, providing a compact and integrated playing experience.
Reviews
PROS
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Sturdy build with high-quality knobs, buttons, and faders
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20-voice polyphony with polyphonic sequencing capability
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Minimal and intuitive menu diving
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Ability to layer and split parts for richer sound design
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Rich, nostalgic 80s presets perfect for synthwave and psychedelic genres
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Full set of hands-on controls inspired by PG-800 programmer
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Bi-timbral capabilities for lush pads and complex sounds
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Dual oscillators, sequencer, built-in FX, and arpeggiator
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Compact size suitable for live shows and studio integration
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USB and battery-powered options enhance portability
CONS
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Slick plastic knobs can be difficult to grip
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Limited to one effect at a time alongside reverb
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3.5mm output may require additional cables for studio setup
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No included USB cable, only batteries provided
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Lack of PWM and a second LFO limits modulation options
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Patch and pattern management can be non-intuitive
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No official app or editor support from Roland
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Roland JX-08 Boutique Series Polyphonic Synthesizer Module with K-25m Keyboard.
Setup and maintenance
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JX-8P owners mention the aftertouch ribbon and velocity rubber may require cleaning, with its metal velocity mechanism being fragile but straightforward to adjust.
Source
Use cases and applications
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The JU-06A, inspired by the JUNO-60/106, is recommended for 80s synth string pads, offering a retro sound ideal for specific cover band needs.
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The JX-08, with 20-note polyphony, is ideal for live performance setups needing chordal play without MIDI and laptop integration.
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The JX-03 is favored for its metallic, resonant 80s sound, making it ideal for retro synthwave or sports-themed music.
Source
User experience
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Some owners found the JX-08's sound palette limited for diverse sound design, preferring more versatile engines like the MC-101's Zencore.
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Some owners find the JX-08's menu system difficult to navigate due to its limited display, impacting ease of use compared to more traditional synth interfaces.
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The K-25m keyboard adapter stand is praised for making Boutique synths like the JU-06 and JP-08 more self-contained and user-friendly.
Source
Comparisons
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The JD-08, using sampled waveforms, is noted for achieving realistic string and keyboard tones without extensive tweaking.
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The JX-08 offers 20 voices, significantly more than the JX-8P's 6 voices, making it more versatile for sound design and layering.
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The JX-08 is said to sound softer than the JX-03, similar to historical differences between the JX3P and JX8P models.
Source
Features and functionality
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The JX-08 excels in producing string and pad sounds, particularly for genres requiring lush textures.
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The JX-08 includes built-in knobs and sliders, which many find convenient compared to the JX-8P's reliance on external programmers.
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The JX-08 offers 16-voice polyphony, an upgrade from the JX-03's 4 voices, addressing previous limitations in chord playing.
Source
Software and compatibility
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The PG-8X plugin is noted for its accuracy in emulating the original JX-8P sound, offering an alternative for those prioritizing sound over hardware authenticity.
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Mods and upgrades
Value and pricing
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Limited edition releases can increase resale value, as seen with the D-05's price surge to over $600 used.
Source
Critic Reviews
Based on 0 Reviews and 0 Ratings
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