SUPNIU A21
SUPNIU A21 Bluetooth-højttaler brugermanual
Model: A21
1. Introduktion
Thank you for choosing the SUPNIU A21 Bluetooth Speaker. This portable speaker is designed to deliver a powerful audio experience with its dual woofers and tweeters, vibrant LED lights, and versatile connectivity options. Please read this manual carefully to ensure proper use and maintenance of your device.

Image 1: SUPNIU A21 Bluetooth Speaker and included remote control. The speaker is black with two large circular LED-lit speaker grilles and a control panel in the center. A black remote control is shown to the right.
2. Pakkens indhold
Sørg for at alle varer er til stede i pakken:
- 1 x SUPNIU A21 Bluetooth-højttaler
- 1 x fjernbetjening (kræver 2 AAA-batterier, medfølger ikke)
- 1 x AUX-kabel
- 1 x USB ladekabel
- 1 x brugermanual
3. Opsætning
3.1 Opladning af højttaleren
Before first use, fully charge the speaker. Connect the supplied USB charging cable to the speaker's DC 5V input port and the other end to a compatible USB power adapter (not included). The charging indicator will illuminate. A full charge takes approximately 3 hours.
3.2 Installation af batteri i fjernbetjening
Insert two AAA batteries (not included) into the remote control, observing the correct polarity (+/-).
4. Betjeningsvejledning
4.1 Tænd/sluk
Locate the power switch on the control panel. Slide it to the "ON" position to power on the speaker. Slide it to "OFF" to power off.
4.2 Bluetooth-forbindelse
- Tænd højttaleren. Den vil automatisk gå i Bluetooth-parringstilstand, hvilket angives med et blinkende Bluetooth-ikon på displayet.
- Aktiver Bluetooth på din smartphone, tablet eller anden Bluetooth-aktiveret enhed.
- Søg efter "A21" in the list of available devices and select it to pair.
- Once successfully paired, the speaker will emit a confirmation sound, and the Bluetooth icon will stop flashing.

Image 2: SUPNIU A21 Bluetooth Speaker showing its control panel with volume, bass, and treble tuning knobs, along with icons for various input options like Bluetooth, AUX, MicroSD, USB, and FM radio.
4.3 AUX-indgangstilstand
Connect one end of the supplied 3.5mm AUX cable to the AUX input port on the speaker and the other end to the audio output jack of your external device (e.g., MP3 player, computer). The speaker will automatically switch to AUX mode.
4.4 USB/TF-kortafspilning
Insert a USB flash drive or a TF (MicroSD) card into the respective port on the speaker. The speaker will automatically detect the storage device and begin playing audio files.
4.5 FM-radiotilstand
Press the "Mode" button on the speaker or remote control to switch to FM radio mode.
- Automatisk scanning: Tryk og hold knappen "Afspil/Pause" nede for automatisk at scanne og gemme tilgængelige FM-stationer.
- Manuel indstilling: Use the "Previous/Next" buttons to manually tune to specific frequencies.

Image 3: The SUPNIU A21 Bluetooth Speaker positioned outdoors on the back of a pickup truck, demonstrating its portability and FM radio capability. Two individuals are seated near the speaker.
4.6 LED-lysstyring
The speaker features colorful LED lights that synchronize with the music. To control the lights, double-click the "Play/Pause" button on the speaker or use the dedicated light control button on the remote control.

Image 4: The SUPNIU A21 Bluetooth Speaker in a vibrant party setting, showcasing its colorful LED lights that enhance the atmosphere. People are seen dancing in the background.
4.7 Sound Adjustment (EQ)
Use the dedicated knobs on the control panel or the EQ settings on the remote control to adjust master volume, bass, and treble. The speaker offers various EQ sound effects to optimize audio for different music genres.

Image 5: The SUPNIU A21 Bluetooth Speaker surrounded by images representing different music genres (Country, Classical, Popular, Jazz, Rock, Normal), illustrating its versatile EQ sound effects.
4.8 Microphone Connection (Karaoke Function)
The speaker supports microphone input for karaoke. Connect a compatible microphone (not included) to the microphone input jack. Adjust microphone volume and echo using the dedicated controls on the speaker or remote.
5. Vedligeholdelse
- Rensning: Brug en blød, tør klud til at rengøre højttalerens overflade. Brug ikke slibende rengøringsmidler eller opløsningsmidler.
- Opbevaring: Opbevar højttaleren et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Batteripleje: For at forlænge batteriets levetid skal du oplade højttaleren regelmæssigt, selvom den ikke bruges hyppigt. Undgå at aflade batteriet helt i længere perioder.
- Vandtæthed: Denne højttaler er ikke waterproof. Avoid exposure to water or high humidity.
6. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen strøm | Batteriet er lavt eller afladet. | Oplad højttaleren helt. |
| Ingen lyd | Lydstyrken er for lav; forkert tilstand valgt; enhed ikke parret (Bluetooth). | Increase volume; switch to correct input mode (Bluetooth, AUX, USB/TF); re-pair Bluetooth device. |
| Bluetooth-forbindelsen er ustabil | Device is too far from speaker; interference; low battery. | Move device closer (within 30m); avoid obstacles; charge speaker. |
| Dårlig modtagelse af FM-radio | Svagt signal; miljøforstyrrelser. | Adjust speaker position; try automatic scan again. |
| LED-lys virker ikke | Lysene er slukket. | Double-click the Play/Pause button or use the remote to turn lights on. |
7. Specifikationer
| Feature | Detalje |
|---|---|
| Model | A21 |
| Udgangseffekt | 60W (peak 80W) |
| Størrelse på højttalerdriver | 3 tommer (x4) |
| Frekvensrespons | 80Hz - 20KHz |
| Input bindtage | DC 5V |
| Batterikapacitet | 8000mAh |
| Afspilningstid | Approx. 6-10 hours (depending on volume) |
| Opladningstid | Ca. 3 timer |
| Bluetooth version | 5.0 |
| Wireless Range | Op til 30 meter (100 fod) |
| Dimensioner (L x B x H) | 19 x 23 x 33 cm (ca. 6 x 8.3 x 11.8 tommer) |
| Vægt | 2.7 kg |
| Understøttede funktioner | Bluetooth, MP3 Player, FM Radio, TF Card, AUX, USB, Remote Control, EQ, Karaoke |

Image 6: An exploded diagram illustrating the internal speaker configuration of the SUPNIU A21, highlighting its four speakers, including dual woofers and dual tweeters, designed for 360-degree stereo sound.
8. Garanti og support
The SUPNIU A21 Bluetooth Speaker comes with a limited warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support or customer service inquiries, please contact your retailer or visit the official SUPNIU webwebsted.
9. Sikkerhedsoplysninger
- Udsæt ikke højttaleren for ekstreme temperaturer, fugtighed eller direkte sollys.
- Do not disassemble, repair, or modify the device yourself. This will void the warranty.
- Hold højttaleren væk fra stærke magnetfelter.
- Brug kun de medfølgende eller anbefalede opladningskabler og adaptere.
- Undgå at tabe eller udsætte højttaleren for kraftige stød.