F&D A555U
F&D A555U 2.1 Multimedia Speakers Instruction Manual
Model: A555U
1. Introduktion
Thank you for choosing the F&D A555U 2.1 Multimedia Speakers. This manual provides essential information for the proper setup, operation, and maintenance of your speaker system. Please read it thoroughly before use to ensure optimal performance and longevity of the product.
2. Produktet er slutview
2.1 Komponenter
- 1 x subwoofer-enhed
- 2 x satellithøjttalere
- 1 x fjernbetjening
- 1 x Audio Input Cable (RCA vs. 3.5mm stereo)
- 1 x Audio Input Cable (RCA vs. RCA stereo)
- 1 x Hurtig installationsvejledning
- 1 x garantikort
2.2 Nøglefunktioner
- 2.1 Multimedia Channel Configuration
- Integrated FM Radio with PLL technology
- USB/SD Card Reader for MP3 playback
- 3-inch full-range drivers for satellites
- 5.25-inch bass driver for subwoofer
- Wooden cabinet construction for enhanced bass
- Front-firing airport for powerful bass effect
- Indbygget automatisk lydstyrketage regulator (AVR)
- Fjernbetjening med fuld funktion
- Bright LED display
2.3 Produktdiagram

Figure 1: F&D A555U 2.1 Multimedia Speaker System. This image displays the complete F&D A555U 2.1 multimedia speaker system. It features a central subwoofer unit with a front-firing port and an LED display showing '87.5' (likely FM frequency). To the left and right are the two satellite speakers. A remote control is positioned next to the subwoofer. All components are black with the F&D logo.
3. Opsætningsvejledning
- Placering af højttalere: Place the subwoofer on a stable surface. Position the satellite speakers to the left and right of your listening area for optimal stereo separation.
- Tilslutning af satellithøjttalere: Connect the cables from the satellite speakers to the corresponding output ports on the rear of the subwoofer unit. Ensure a secure connection.
- Tilslutning af lydkilde:
- For devices with a 3.5mm audio output (e.g., laptops, mobile phones): Use the provided RCA to 3.5mm stereo cable. Connect the 3.5mm jack to your device and the RCA plugs to the audio input ports on the subwoofer.
- For devices with RCA audio output (e.g., DVD players, TVs): Use the provided RCA to RCA stereo cable. Connect one end to your device's audio output and the other to the audio input ports on the subwoofer.
- Strømtilslutning: Connect the power cable of the subwoofer to a suitable AC power outlet (AC 160-280V ~ 50/60Hz).
- Første gang tændt: Press the power button on the subwoofer or the remote control to turn on the system. The LED display will illuminate.
4. Betjeningsvejledning
4.1 Tænd/sluk
Tryk på MAGT button on the remote control or the main unit to turn the speakers on or off.
4.2 Kildevalg
Tryk på KILDE button on the remote control or the main unit to cycle through available input modes: FM, USB, SD, AUX (Line In).
4.3 Lydstyrkekontrol
Brug LYDSTYRKE + og VOLUME - buttons on the remote control or the main unit to adjust the overall volume level.
4.4 FM-radiofunktion
- Skift til FM mode using the SOURCE button.
- Tryk på SCAN knappen på hovedenheden eller fjernbetjeningen for automatisk at scanne og gemme tilgængelige FM-stationer.
- Brug FORRIGE NÆSTE knapper til at navigere gennem gemte stationer.
- The LED display will show the current FM frequency.
4.5 USB/SD-kortafspilning
- Indsæt et USB-flashdrev eller SD-kort, der indeholder MP3-lyd files into the respective port on the subwoofer unit.
- The system will automatically switch to USB/SD mode and begin playback. If not, select USB or SD using the SOURCE button.
- Brug AFSPIL/PAUSE, FORR, og NÆSTE buttons on the remote control or main unit to control playback.
4.6 Fjernbetjeningsfunktioner
The remote control provides full functionality for convenient operation. Refer to the button labels on the remote for specific functions such as Standby, Source, Volume, Menu, Scan, Play/Pause, Previous, and Next.
5. Vedligeholdelse
- Rensning: Use a soft, dry cloth to clean the surfaces of the speakers. Do not use liquid cleaners or abrasive materials, as they may damage the finish.
- Placering: Undgå at placere højttalerne i direkte sollys, i nærheden af varmekilder eller i områder med høj luftfugtighed. Sørg for tilstrækkelig ventilation omkring subwooferen.
- Håndtering: Håndter højttalerne forsigtigt. Undgå at tabe dem eller udsætte dem for hårde stød.
- Sluk: When not in use for extended periods, it is recommended to turn off the speakers and unplug them from the power outlet.
6. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm | Power cable not connected; Power outlet not active; Unit is off. | Ensure power cable is securely connected. Check power outlet. Press the POWER button. |
| Ingen lyd | Incorrect source selected; Volume too low; Audio cables not connected properly; Mute function active. | Select the correct source. Increase volume. Check audio cable connections. Deactivate mute. |
| Fjernbetjening virker ikke | Batteries are depleted or incorrectly inserted; Obstruction between remote and unit; Remote sensor blocked. | Replace batteries. Ensure correct battery polarity. Remove obstructions. Clean remote sensor on unit. |
| Dårlig FM -modtagelse | Svagt signal; Interferens. | Reposition the unit. Try manual tuning. Avoid placing near other electronic devices. |
| Problemer med USB/SD-afspilning | Ikke understøttet file format; Beskadiget files; USB/SD-kort er ikke isat korrekt. | Sikre files are in MP3 format. Check for corrupted files. Sæt USB/SD-kortet i igen. |
7. Specifikationer
- Modelnavn: A 555 (A555U)
- Materiale: Træ
- Højttalertype: Subwoofer (2.1 Multimedia System)
- Forbindelse teknologi: Wired (for audio input)
- Lydudgangstilstand: Stereoanlæg
- Kontrolmetode: Remote, Front Panel Buttons
- Frekvensrespons:
- Subwoofer: 30Hz~90Hz
- Satellite: 140Hz~20kHz
- Udgangseffekt (RMS): 56W
- Satellite: 14W × 2
- Subwoofer: 28W
- Højttalere:
- Satellite: 3" full range driver
- Subwoofer: 5.25" bass driver
- Magt: AC 160-280V ~ 50 / 60Hz
- Subwoofer Dimensions (WxHxD): 172 × 280 × 250 mm
- Satellite Dimensions (WxHxD): 114 × 180 × 104 mm
- Nettovægt: 4.3 kg
8. Garanti og support
This product comes with a 1-year warranty. For warranty claims and technical support, please contact the manufacturer's authorized service center. Warranty service is provided exclusively through the manufacturer's service center.
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