1. Plus deview
Description du produit
The Roland JUNO-D8 is a versatile synthesizer designed for gigging musicians and budding creators. This lightweight and portable keyboard features a professional-grade Roland sound engine and an intuitive panel layout for easy operation. It offers a massive sound library, an eight-track sequencer, and versatile connections for various gear. The JUNO-D8 supports USB-C mobile battery power for on-the-go performance and allows for sound expansion via Roland Cloud. This top-tier model provides a piano-style playing experience with 88 weighted keys and hammer action.
Caractéristiques principales
- Gig-ready keyboard with professional sounds, intuitive workflow, enhanced performance features, and USB-C mobile battery power support.
- Instant access to essential sounds for live band performances, including acoustic and electric pianos, organs, synths, and other stage favorites.
- Flagship-class ZEN-Core engine with over 3800 ready-to-play sounds.
- Expand creative possibilities with Sound Packs and Wave Expansions on Roland Cloud.
- Sample import function for playing and editing user WAV files.

Figure 1: The Roland JUNO-D8 Synthesizer, designed for both gigging musicians and budding creators.
2. Contenu du colis
Vérifiez que tous les éléments énumérés ci-dessous sont inclus dans votre colis :
- Roland JUNO-D8 Synthesizer Unit
- Guide de démarrage
- Dépliant UTILISER L'APPAREIL EN TOUTE SÉCURITÉ
- AC Adaptor (PSB-5U)
- Cordon d'alimentation

Figure 2: Included items and dimensions of the JUNO-D8.
3. Configuration initiale
3.1 Connexion d'alimentation
Connect the included AC adaptor (PSB-5U) to the DC IN jack on the rear panel of the JUNO-D8, then plug the power cord into a standard electrical outlet. The unit can also be powered via USB-C mobile battery for portable use.
3.2 Connexions audio
Pour la sortie audio, connectez les prises L/MONO et R OUTPUT à votre amplifier, mixer, or audio interface. Use the PHONES jack for private monitoring with headphones. The JUNO-D8 also features a MIC INPUT for connecting a microphone and LINE INPUT for external audio sources.
3.3 Connexions MIDI et USB
Utilize the USB Type C port for audio/MIDI interface functionality, enabling driverless connection to mobile devices and computers for seamless music creation and performance. Traditional MIDI IN/OUT ports are also available for connecting to other MIDI equipment.

Figure 3: Rear panel connections of the JUNO-D8.
4. Operating the JUNO-D8
4.1 Mise sous/hors tension
Press the [POWER] button located on the rear panel to turn the unit ON. To turn OFF, press and hold the [POWER] button until the unit shuts down.
4.2 Sélection du son
The JUNO-D8 features a massive sound library powered by the ZEN-Core engine. Use the dedicated category buttons (e.g., PIANO, E. PIANO, ORGAN, KEYS, GUITAR, BASS, STRINGS, BRASS, WIND, CHOIR, SYNTH, PAD, FX, DRUMS) to quickly access different instrument types. The display will show a Scene List, allowing you to browse and select specific sounds using the data dial.

Figure 4: Sound category buttons and display for sound selection.
4.3 Sound Modification
The JUNO-D8 offers hands-on controls for real-time sound shaping. Use the CUTOFF, RESONANCE, ATTACK, and RELEASE knobs, along with dedicated sliders, to modify sound parameters. These controls allow for dynamic adjustments during performance or sound design.

Figure 5: Sound modification controls.
4.4 Modes clavier
The JUNO-D8 supports various keyboard modes to enhance playability:
- CÉLIBATAIRE: Play a single sound across the entire keyboard.
- DIVISER: Divide the keyboard into two sections, allowing different sounds to be played on each section.
- DOUBLE: Layer two sounds across the entire keyboard for richer textures.
- SUPER LAYER: Combine up to seven unison sounds for incredibly thick and powerful tones.
4.5 Arpeggiator and Chord Memory
Activate the ARPEGGIO function to automatically play arpeggiated patterns based on the notes you hold. The CHORD MEMORY feature allows you to play full chords with a single finger, with customizable key and style settings.
4.6 Pattern Sequencer and Rhythm Section
The integrated eight-track pattern sequencer enables you to record and playback musical phrases, ideal for building songs or practicing. The rhythm section provides various drum patterns to accompany your playing.
4.7 Sample Import Function
Import your own WAV files via USB to expand the JUNO-D8's sound palette. These samples can be played and edited directly on the unit, offering extensive creative possibilities.
4.8 Effets vocaux
Connect a microphone to the MIC INPUT to utilize the JUNO-D8's vocal effects. These include Noise Suppressor, EQ, Reverb, and Compressor, allowing you to enhance your vocals for performances or recordings.
Video 1: Official Roland overview of the Juno-D series, demonstrating various features and sounds.
5. Spécifications techniques
| Fonctionnalité | Spécification |
|---|---|
| Nom du modèle | JUNO-D8 |
| Nombre de clés | 88 (PHA-4 Ivory Feel Keyboard with Hammer Action) |
| Moteur sonore | ZEN-Core |
| Sons internes | Plus de 3800 |
| Connectivité | USB Type C (Audio/MIDI), MIDI IN/OUT, L/MONO/R Output, Phones, Mic Input, Line Input |
| Source d'énergie | AC Adaptor (PSB-5U), USB-C Mobile Battery |
| Dimensions du produit (L x P x H) | 54.84" x 14" x 5.43" (1393 mm x 355 mm x 138 mm) |
| Poids de l'article | 31.97 livres (14.5 kg) |
| Dossier spécial | Advanced Sequencer, Sample Importer |
6. Entretien et maintenance
6.1 Nettoyage
Essuyez l'appareil avec un chiffon doux et sec. Pour les saletés tenaces, utilisez un chiffon légèrement plus sec.amp cloth and then dry thoroughly. Avoid using abrasive cleaners, waxes, or solvents as they may damage the finish.
6.2 Stockage
Store the JUNO-D8 in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity. If storing for an extended period, cover the unit to protect it from dust.
6.3 Mises à jour logicielles
Vérifiez périodiquement le Roland webSite de mise à jour du micrologiciel. Maintenir le logiciel de votre appareil à jour garantit des performances optimales et l'accès aux nouvelles fonctionnalités.
7. Dépannage
7.1 Pas de son
- Vérifiez toutes les connexions des câbles audio à votre ampamplificateur, table de mixage ou casque.
- Ensure the Master Volume knob on the JUNO-D8 is turned up.
- Verify that the volume levels on your connected audio equipment are set appropriately.
- Confirm that the correct sound (Scene) is selected and not muted.
7.2 Problèmes d'alimentation électrique
- Ensure the AC adaptor is securely connected to both the JUNO-D8 and a working power outlet.
- If using USB-C mobile battery power, ensure the battery is charged and properly connected.
7.3 Connectivity Problems (USB/MIDI)
- Check USB and MIDI cable connections.
- Ensure your computer or mobile device recognizes the JUNO-D8 as an audio/MIDI device.
- Restart both the JUNO-D8 and your connected device.
8. Garantie et assistance
8.1 Informations sur la garantie
The Roland JUNO-D8 comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package or visit the official Roland website pour les termes et conditions détaillés.
8.2 Assistance clientèle
For further assistance, technical support, or service inquiries, please visit the official Roland support website or contact your local Roland dealer. You can find contact information and FAQs at www.roland.com/us/support/.





