1. Introduktion
Tak for købetasing the BT-298A Digital HiFi Stereo Audio Amplifier. Det her amplifier is designed to provide high-quality audio output for both home and car environments, featuring versatile input options including Bluetooth 5.0, USB, SD card, and FM radio. Please read this manual carefully before use to ensure proper operation and to maximize your listening experience.
2. Produktet er slutview
2.1 Nøglefunktioner
- Mini HIFI digital Bluetooth lydstrøm amplivligere.
- Built-in LCD display with backlight function.
- Supports SD Card, U disk (USB), and MP3 format playback.
- Bluetooth 5.0 til trådløs lydstreaming.
- Supports FM stereo radio.
- Two microphone input slots for karaoke.
- Independent treble, bass, and volume controls.
- Low distortion for clear, strong, and powerful sound.
- Two main channel outputs.
- Inkluderer en fjernbetjening for praktisk betjening.
- DC 12V and AC 220V power input, suitable for home or car use.
2.2 Pakkens indhold
- 1 x BT-298A Audio Amplivligere
- 1 x fjernbetjening
2.3 Kontrol og indikatorer på frontpanelet
- Afbryderen: Drejer amplifter tænd/sluk.
- Diskantjustering: Justerer lydniveauer for højfrekvente lyde.
- Basjustering: Justerer lavfrekvente lydniveauer.
- Justering af mikrofonlydstyrke: Styrer lydstyrken på tilsluttede mikrofoner.
- Microphone Jacks (MIC1, MIC2): Connect microphones for karaoke or voice input.
- Total Volume Adjustment: Hovedlydstyrkekontrol for al lydudgang.
- Mode Switch knap: Cycles through input modes (Bluetooth, FM, SD Card, USB, AUX).
- Forrige knap: Springer til forrige nummer/station.
- Næste sang-knap: Springer til næste nummer/station.
- Single Cycle Button: Toggles single track repeat mode.
- Digital skærm: Viser aktuel tilstand, sporinformation eller FM-frekvens.
- USB-port: Tilslut et USB-flashdrev til MP3-afspilning.
- SD-kortplads: Insert an SD card for MP3 playback.
2.4 Bagpaneltilslutninger
- Radio Antenna (FM ANT): Connect the included radio antenna for FM reception.
- Lydindgang: Connect external audio sources (e.g., computer, mobile phone, CD player) using an RCA cable.
- Højre kanaludgang: Connect to the right speaker.
- Venstre kanaludgang: Connect to the left speaker.
- 12V Power Input (DC12V/5A): Connect to a 12V DC power source (e.g., car battery).
- 220V netledning: Connect to a standard AC 220V power outlet.
- Prevent Bluetooth Interference Line: A small wire to help reduce Bluetooth interference.
3. Opsætningsvejledning
3.1 Strømtilslutning
- For AC Power (Home Use): Connect the provided 220V power cord to the 220V Power Cord input on the rear panel and then to a wall outlet.
- For DC Power (Car Use): Connect a 12V DC power source (e.g., car battery) to the 12V Power Input (DC12V/5A) on the rear panel. Ensure correct polarity.
3.2 Højttalertilslutning
- Connect your passive speakers to the Left Channel Output and Right Channel Output terminals on the rear panel. Ensure proper polarity (+ to + and - to -) for optimal sound quality.
3.3 Lydindgangsforbindelse
- Eksterne enheder: Connect your audio source (e.g., computer, mobile phone, CD player) to the Audio Input jacks on the rear panel using an appropriate RCA cable.
- Mikrofoner: For karaoke, plug your microphones into the MIC1 and MIC2 jacks on the front panel.
3.4 Antenneforbindelse
- Connect the FM radio antenna to the FM ANT terminal on the rear panel. Extend the antenna for better reception.
4. Betjeningsvejledning
4.1 Tænd/sluk
- Vend Strømafbryder på frontpanelet for at tænde amplifier ON eller OFF.
4.2 Valg af tilstand
- Tryk på MODE button on the front panel or the remote control to cycle through available input modes: Bluetooth, FM Radio, USB, SD Card, and AUX (Audio Input). The current mode will be displayed on the LCD screen.
4.3 Bluetooth-betjening
- Tryk på MODE button until the digital display shows "BLUE" or indicates Bluetooth mode.
- Aktiver Bluetooth på din mobile enhed (smartphone, tablet osv.).
- Søg efter available Bluetooth devices and select "Bluetooth" (or similar name) to pair.
- Når du er tilsluttet, kan du afspille lyd fra din enhed gennem amplivligere.
4.4 FM-radiofunktion
- Tryk på MODE button until "FM" mode is displayed on the screen.
- Tryk på Afspil/pause button (often labeled with a play symbol or pause symbol) on the front panel or remote control to initiate an automatic search for FM channels. The amplifier will scan and save available stations.
- Brug Tidligere og Næste sang knapperne til at navigere gennem de gemte FM-stationer.
4.5 USB/SD-kortafspilning
- Indsæt et USB-flashdrev i USB-port eller et SD-kort i SD-kortplads på frontpanelet.
- De amplifier should automatically switch to MP3 playback mode and start playing audio files. Hvis ikke, tryk på MODE -knappen for at vælge USB- eller SD-tilstand.
- Brug Tidligere, Næste sang, og Afspil/pause knapper til at styre afspilning.
4.6 Lydstyrke- og tonekontrol
- Adjust the overall output volume using the large Total volumenjustering knop.
- Fine-tune the sound with the Justering af diskant og Bas justering knapper.
- Control the microphone volume independently with the Justering af mikrofonlydstyrke knop.
5. Vedligeholdelse
- Behold amplifier in a dry, well-ventilated area away from direct sunlight, heat sources, and moisture.
- Clean the unit with a soft, dry cloth. Do not use liquid cleaners or abrasive chemicals.
- Sørg for tilstrækkelig luftgennemstrømning omkring enheden for at forhindre overophedning.
- Når den ikke er i brug i længere perioder, skal strømforsyningen afbrydes.
6. Fejlfinding
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Ingen lydudgang |
|
|
| Bluetooth forbinder ikke |
|
|
| Dårlig FM-radiomodtagelse |
|
|
| USB/SD-kort afspiller ikke |
|
|
7. Specifikationer
| Feature | Specifikation |
|---|---|
| Model | BT-298A |
| Farve | Sort |
| Input bindtage | AC 220V / DC 12V (in car) |
| Bluetooth version | 5.0 |
| Udgangseffekt | 80W + 80W |
| Peak Power | 300W + 300W |
| Kanaler | 2 (2.0) |
| Belastningsimpedans | 4-16Ω |
| Signal-støj-forhold (SNR) | >92 dB |
| FM-frekvens | 87.5-108 MHz |
| Forvrængningshastighed | 0.05 % |
| Frekvensrespons | 10Hz-20KHz |
| Følsomhed | 0.25mV-220mV |
| Fjernbetjening strømforsyning | CR2052 battery (built-in) |
| Størrelse (ca.) | 18 x 15.5 x 5.5 cm / 7.08 x 6.10 x 2.17 tommer |
| Materiale | Jern |
| Certificering | CE |
8. Brugertips
Selvom der ikke var specifikke brugertips tilgængelige fra revieweller spørgsmål og svar, her er nogle generelle anbefalinger til optimal ydeevne:
- For best sound quality, use high-quality speaker cables and ensure all connections are secure.
- When using the FM radio, try different antenna positions to find the best reception.
- Hold fjernbetjeningen inden for synsvidde af amplifier for reliable operation.
- Undgå at placere amplifier near strong electromagnetic interference sources to prevent signal degradation.
9. Garanti og support
For any issues, questions, or technical support regarding your BT-298A ampHvis du har en leverandør, bedes du kontakte sælgeren eller producenten direkte. Se din købsdokumentation for specifikke garantivilkår og kontaktoplysninger.