1. Introduction
Thank you for purchasing the Edifier R1850DB Active Bookshelf Speakers. This manual provides detailed instructions for setting up, operating, and maintaining your speakers to ensure optimal performance and longevity. The R1850DB speakers offer versatile connectivity, powerful sound, and a sleek design, making them suitable for various audio setups.
2. Important Safety Instructions
- Read these instructions thoroughly before operating the product.
- Keep these instructions for future reference.
- Heed all warnings on the product and in the manual.
- Follow all instructions for use and maintenance.
- Do not use this apparatus near water or moisture.
- Clean only with a dry cloth.
- Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Only use attachments/accessories specified by the manufacturer.
- Unplug this apparatus during lightning storms or when unused for long periods.
- Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way.
3. Package Contents
Please check the box for the following items:
- Edifier R1850DB Active Bookshelf Speakers (1 pair)
- Wireless Remote Control
- Speaker Connection Cable (5m / 16ft)
- RCA-AUX Cable (1.7m / 5.6ft)
- RCA-RCA Cable (1.7m / 5.6ft)
- Optical Cable (1.5m / 4.9ft)
- Power Cord
- User Manual
4. Product Overview
4.1 Front View
The front of the speakers features the tweeter, woofer, and bass port, designed for optimal sound projection.

Front view of the Edifier R1850DB speakers with grilles removed, showing the tweeter, woofer, and bass port.
4.2 Side View
The speakers feature a 10-degree upward angled design, optimizing sound delivery for desktop users.

Side view of the Edifier R1850DB speakers, highlighting the angled design.
4.3 Rear Panel
The rear panel of the active speaker houses all input connections and manual control knobs for sound adjustment.

Close-up of the rear panel of the active speaker, showing input ports and control knobs.
- Volume/Input Selection Knob: Rotate to adjust volume; press to cycle through input sources.
- Bass Knob: Adjusts the bass level.
- Treble Knob: Adjusts the treble level.
- Power Switch: Turns the speakers on or off.
- Optical Input: For connecting devices via optical cable.
- Coaxial Input: For connecting devices via coaxial cable.
- AUX Input: For connecting devices via 3.5mm to RCA cable.
- PC Input: For connecting devices via RCA cable.
- Sub Out: Output for connecting an external subwoofer.
- L Speaker Out: Connects to the passive left speaker.
4.4 Remote Control
The included wireless remote control allows convenient operation from a distance.

Edifier R1850DB speakers with the included wireless remote control.
- Power Button: Turns the speakers on/off.
- Volume Up/Down: Adjusts the master volume.
- Mute Button: Mutes/unmutes the audio.
- Input Selection Buttons: Switches between Bluetooth, Optical, Coaxial, AUX, and PC inputs.
5. Setup
5.1 Speaker Placement
Place the speakers on a stable, flat surface. For optimal sound, position them at ear level when seated. The 10-degree upward angle is designed to direct sound towards you, especially when placed on a desktop.

Edifier R1850DB speakers positioned on a desk next to a computer monitor.

Edifier R1850DB speakers on a desk in a home office setting.
5.2 Connecting Speakers
Connect the active (right) speaker to the passive (left) speaker using the provided 5m speaker connection cable. Ensure the connectors are securely inserted into the 'L Speaker Out' port on the active speaker and the corresponding input on the passive speaker.
5.3 Connecting Audio Sources
The R1850DB speakers support multiple input options for various devices:
- RCA/AUX Input: Use the RCA-AUX or RCA-RCA cables to connect to devices like PCs, turntables, TVs, or gaming consoles (e.g., PS5).
- Optical Input: Connect to TVs, gaming consoles, or other digital audio sources using the optical cable for lossless high-quality sound.
- Coaxial Input: Connect to compatible digital audio sources using a coaxial cable for high-fidelity audio.
- Bluetooth: For wireless connection with smartphones, tablets, Macs, and laptops.
- Subwoofer Output: Connect an optional external subwoofer to the 'Sub Out' port for enhanced bass performance.
6. Operating Instructions
6.1 Power On/Off
Use the power switch on the rear panel of the active speaker or the power button on the remote control to turn the speakers on or off.
6.2 Input Selection
Press the Volume/Input Selection knob on the rear panel or use the dedicated input buttons on the remote control to cycle through the available audio sources (Bluetooth, Optical, Coaxial, AUX, PC).
6.3 Volume Control
Rotate the Volume/Input Selection knob on the rear panel or use the Volume Up/Down buttons on the remote control to adjust the master volume.
6.4 Tone Adjustment (Bass, Treble)
Use the Bass and Treble knobs on the rear panel to fine-tune the low and high frequencies according to your preference. These adjustments allow you to customize the sound profile for different music genres or listening environments.
6.5 Bluetooth Pairing
To pair a Bluetooth device:
- Switch the speaker input to Bluetooth mode. The indicator light will flash.
- Enable Bluetooth on your source device (smartphone, tablet, etc.) and search for "EDIFIER R1850DB".
- Select the speaker to connect. Once paired, the indicator light will be solid.
6.6 Subwoofer Output
If you have an external subwoofer, connect it to the 'Sub Out' port on the active speaker. This will enhance the low-frequency response of your audio system.
7. Maintenance
To ensure the longevity and performance of your Edifier R1850DB speakers, follow these maintenance guidelines:
- Cleaning: Wipe the speaker surfaces with a soft, dry cloth. Avoid using abrasive cleaners, waxes, or solvents.
- Placement: Keep speakers away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the speakers.
- Handling: Handle speakers with care. Avoid dropping or subjecting them to strong impacts.
- Cables: Periodically check all cables for damage. Replace any frayed or damaged cables immediately.
8. Troubleshooting
If you encounter any issues with your Edifier R1850DB speakers, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound | Power is off; incorrect input selected; volume too low; cables not connected properly. | Ensure power is on; select correct input; increase volume; check all cable connections. |
| Distorted sound | Volume too high; source audio quality is poor; damaged cables. | Reduce volume; try a different audio source; replace cables if damaged. |
| Bluetooth not connecting | Speakers not in pairing mode; device too far; previously connected to another device. | Ensure speakers are in Bluetooth mode (flashing indicator); move device closer; disconnect from other devices. |
| Remote control not working | Battery depleted; obstruction between remote and speaker. | Replace remote battery (1 Lithium Metal Battery); ensure clear line of sight to the speaker's sensor. |
9. Specifications
Detailed technical specifications for the Edifier R1850DB Active Bookshelf Speakers:
| Feature | Specification |
|---|---|
| Brand | Edifier |
| Model Number | R1850DB-PB |
| Speaker Max Output | 70 Watts RMS |
| Frequency Response | 60Hz - 20KHz (approximate, based on typical bookshelf speaker range) |
| Connectivity Technology | AUX, Bluetooth, Optical, Coaxial, RCA |
| Audio Output Mode | Stereo |
| Mounting Type | Tabletop Mount |
| Speaker Type | Bookshelf with Subwoofer Output |
| Woofer Diameter | 116 mm (4.5 inches) |
| Color | Black |
| Waterproof | No |
| Max Range (Bluetooth) | 10 meters |
| Control Method | Remote |
| MP3 Player Included | No |
| Speaker Channel Configuration | 2.0 |
| Wireless Type | Bluetooth |
| Power Source Type | Power Cord |
| Number of Batteries (Remote) | 1 Lithium Metal Battery |
| Country of Origin | China |
| Item Dimensions (D x W x H) | 15.4 cm x 22.4 cm x 25.4 cm |
| Compatible Devices | Smartphones, Laptops, PCs, TVs, Gaming Consoles |
10. Warranty and Support
The Edifier R1850DB Active Bookshelf Speakers come with a 12-month warranty period from the date of purchase. Please retain your proof of purchase for warranty claims.
For technical support, troubleshooting assistance, or warranty inquiries, please visit the official Edifier store or contact their customer service. You can find more information and support resources at the Edifier Brand Store.