1. Einleitung
Vielen Dank für Ihren Einkauf.asing the Edifier R990BT Bluetooth Computer Speakers. These 2.0 active bookshelf speakers are designed to provide high-quality audio for your PC, smartphone, tablet, and other compatible devices. Featuring Bluetooth V5.4 connectivity and dual RCA inputs, the R990BT offers versatile audio options in a classic MDF enclosure. Please read this manual thoroughly to ensure proper setup and optimal performance of your speakers.
2. Packungsinhalt
Bitte vergewissern Sie sich, dass alle Artikel im Paket vorhanden sind:
- Edifier R990BT Active Bookshelf Speakers (1 Pair)
- Lautsprecheranschlusskabel
- RCA-zu-RCA-Audiokabel
- 3.5 mm zu Cinch-Audiokabel
- Stromkabel
- Kurzanleitung
3. Einrichtung
3.1 Lautsprecherplatzierung
Place the speakers on a stable, flat surface such as a desk or shelf. For optimal stereo imaging, position the speakers equidistant from your listening position, forming an equilateral triangle. Ensure there is adequate space behind the speakers for cable connections and ventilation.

Image: Edifier R990BT speakers positioned on a desk, demonstrating typical placement for computer use.
3.2 Anschließen der Lautsprecher
- Connect the Passive Speaker: Use the included speaker connection cable to link the active speaker (with controls) to the passive speaker. Ensure the correct polarity (+ to + and - to -) for proper sound reproduction.
- An die Stromversorgung anschließen: Plug the power cable into the active speaker's power input and then into a wall outlet.
3.3 Anschließen von Audioquellen
The R990BT speakers support both wired (RCA) and wireless (Bluetooth) connections.
Kabelgebundene Verbindung (RCA)
The speakers feature two sets of RCA input ports (Line In 1 and Line In 2) for connecting two different wired audio devices simultaneously.
- Use the RCA to RCA cable to connect devices with RCA outputs (e.g., CD player, turntable with pre-amp).
- Use the 3.5mm to RCA cable to connect devices with a 3.5mm audio jack (e.g., computer, smartphone, tablet).

Image: Close-up of the rear panel of the active speaker, highlighting the dual RCA input ports (Line In 1 and Line In 2) and the power input.
Bluetooth-Verbindung
The R990BT features Bluetooth V5.4 for wireless audio streaming.
- Turn on the speakers.
- Press the volume/input knob on the rear panel to select the Bluetooth input. The indicator light will flash blue.
- Aktivieren Sie auf Ihrem Audiogerät (Smartphone, Tablet, Computer) Bluetooth und suchen Sie nach verfügbaren Geräten.
- Select "EDIFIER R990BT" from the list to pair. The indicator light will turn solid blue once connected.

Image: A single Edifier R990BT speaker on a desk next to a laptop, symbolizing the ease of Bluetooth connectivity.
4. Bedienungsanleitung
4.1 Ein-/Ausschalten
The power switch is located on the rear panel of the active speaker. Flip the switch to the 'ON' position to power on the speakers. Flip to 'OFF' to power off.
4.2 Lautstärkeregelung
The large knob on the rear panel of the active speaker controls the master volume. Rotate clockwise to increase volume and counter-clockwise to decrease volume.

Bild: Detailliert view of the multi-function control knob on the rear of the speaker, used for volume adjustment and input selection.
4.3 Eingangsauswahl
Press the volume/input knob on the rear panel to cycle through the available audio inputs: Line In 1, Line In 2, and Bluetooth. The indicator light will change color or flash to indicate the selected input mode.
- Line In 1 / Line In 2: Solid green or red indicator (depending on model/firmware).
- Bluetooth: Flashing blue (pairing mode) or solid blue (connected).
4.4 Using the Edifier ConneX App
For enhanced control and customization, download the Edifier ConneX mobile application. The app allows you to adjust equalization settings and access additional features for your R990BT speakers.
- Download the Edifier ConneX app from your device's app store.
- Ensure your speakers are powered on and connected via Bluetooth to your mobile device.
- Open the app and follow the on-screen instructions to connect to your R990BT speakers.

Image: The official logo for the Edifier ConneX mobile application.
5. Wartung
5.1 Reinigung
Um das Aussehen und die Leistung Ihrer Lautsprecher zu erhalten:
- Wipe the speaker cabinets with a soft, dry cloth.
- Verwenden Sie keine flüssigen Reiniger, Aerosole oder aggressive Chemikalien, da diese die Oberfläche oder interne Bauteile beschädigen können.
- Gently brush dust from the speaker grilles using a soft brush or vacuum cleaner with a brush attachment.
5.2 Speicherung
If storing the speakers for an extended period, ensure they are powered off and disconnected from the power source. Store them in a cool, dry place away from direct sunlight and extreme temperatures.
6. Fehlerbehebung
Sollten Sie Probleme mit Ihren Edifier R990BT-Lautsprechern haben, beachten Sie bitte die folgenden häufig auftretenden Probleme und Lösungen:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Kein Ton |
|
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| Verzerrter Ton |
|
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| Bluetooth not connecting/disconnecting |
|
|
| Difficulty switching inputs |
|
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7. Spezifikationen
Detaillierte technische Spezifikationen für die Edifier R990BT-Lautsprecher:
- Modellname: R990BT
- Lautsprechertyp: Bücherregal
- Montageart: Shelf Mount/Tabletop Mount
- Material: MDF (Mitteldichte Faserplatte)
- Konnektivitätstechnologie: Bluetooth V5.4, Wired (Dual RCA)
- Audioausgabemodus: Stereoanlage (2.0)
- Maximale Ausgangsleistung des Lautsprechers: 24 Watt (RMS)
- Woofer-Durchmesser: 4 Zoll
- Durchmesser des Hochtöners: 1 Zoll
- Frequenzgang: 18 KHz (Upper limit, typical for compact speakers)
- Signal-Rausch-Verhältnis: 85 dB
- Kontrollmethode: Touch (via rear knob)
- Energiequelle: Corded Electric (100-240V ~ 50/60Hz)
- Produktabmessungen: 11.5"D x 7.5"W x 17"H (per speaker, approximate)
- Artikelgewicht: 7.94 Pfund (pro Lautsprecher, ungefähr)
- Farbe: Schwarz
- Kompatible Geräte: Devices with Bluetooth technology, devices with RCA or 3.5mm audio output.
8. Garantie und Support
8.1 Garantieinformationen
The Edifier R990BT speakers come with a Limited Warranty. Please refer to the warranty card included in your package or visit the official Edifier webAuf der Website finden Sie die detaillierten Geschäftsbedingungen bezüglich der Garantieabdeckung Ihres Produkts.
8.2 Kundendienst
For technical assistance, troubleshooting, or general inquiries, please contact Edifier customer support. Contact details can typically be found on the official Edifier webauf der Website oder in der Kurzanleitung Ihres Produkts.
Online-Hilfe: Besuchen www.edifier.com Für häufig gestellte Fragen, Support-Ressourcen und Kontaktinformationen.





