1. Introducció
The Kinter A7BT is a compact 2-channel mini amplifier designed for various audio applications, including home, automotive, and motorcycle setups. It features Bluetooth connectivity, USB and TF card playback, FM radio, and multiple control options. This manual provides detailed instructions for the proper installation, operation, and maintenance of your A7BT ampmés viu.
2. Contingut del paquet
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact Kinter customer support.
Image: Kinter A7BT amplifier, handlebar controller, IR remote, 12V power supply, and cables.
- Kinter A7BT 2-Channel Mini Bluetooth Ampmés viu
- Controlador de manillar amb cable
- Wireless Infrared (IR) Remote Control
- 3.5mm Audio Input Cable (59 inches length)
- 12V DC Power Supply (34 inches length)
3. Producte acabatview
3.1 Panells frontal i posterior
Familiarize yourself with the various controls and connections on the ampmés viu.
Image: Detailed diagram showing the front and rear panels of the Kinter A7BT amplifier with numbered components.
- NEXT/P (Next Song / Volume Up): Premeu curt per a la següent pista, premeu llargament per pujar el volum.
- M/P/P (Mode / Play / Pause): Short press for play/pause, long press to change input mode (Bluetooth, AUX, USB/TF, FM).
- PREV/V (Previous Song / Volume Down): Premeu curt per a la pista anterior, premeu llargament per baixar el volum.
- IR (receptor d'infrarojos): For wireless remote control signals.
- TF (TransFlash / Micro SD Card Slot): Per reproduir àudio files d'una targeta TF.
- USB (USB Port): Per reproduir àudio files d'una unitat flash USB. Note: This is not a charging port.
- AUX IN (3.5mm Stereo Audio Input Jack): Per connectar dispositius d'àudio externs mitjançant un cable de 3.5 mm.
- ANTENA FM: Connection point for the FM antenna wire.
- REMOTE LINE IN: Input for the wired handlebar remote control.
- SPEAKER OUT (R/L): Terminals for connecting passive speakers (Right and Left channels).
- DC12V (12V DC Power Input): For connecting the 12V DC power supply.
- Bluetooth Operation Indicator: LED indicator for Bluetooth status.
3.2 Handlebar Controller
The wired handlebar controller provides convenient access to essential functions.
Image: Close-up of the handlebar controller showing LED power indicator, Next/Volume Up, Previous/Volume Down, and Play/Pause buttons.
- LED: Indicador d'alimentació.
- NEXT/V+: Next Song / Volume Up.
- PREV/V-: Previous Song / Volume Down.
- P/P: Reproduir / Pausa.
4. Configuració
4.1 Connexió d'alimentació
Connect the included 12V DC power supply to the DC12V input on the amplifier. Plug the power supply into a standard wall outlet.
For automotive or motorcycle applications, you can hardwire the amplifier to a 12V battery system. Use the included PSU's wire and connector. Strip the wire as shown in the diagram below. The white wire is POSITIVE (+), and the bare wire is GROUND (-). It is recommended to install a 2 Amp fuse inline (not included) for protection.
Image: Instructions for connecting the amplifier to a motorcycle or automobile battery, including wire stripping and fuse recommendation.
4.2 Connexió dels altaveus
Connect your passive speakers to the SPEAKER OUT terminals on the rear panel. Ensure correct polarity (positive to positive, negative to negative) for each channel (Left and Right). Use a small screwdriver to press the terminal tabs, insert the speaker wire, and then release the tab to secure the wire.
Image: A finger pressing a speaker terminal tab while inserting a speaker wire.
Nota: Avoid using excessively large speaker wire that may cause shorts. Soldering the ends of the speaker wires can prevent stray strands and improve connection reliability.
4.3 Connexions d'entrada d'àudio
- Entrada AUX: Connect external audio devices (e.g., smartphone, MP3 player) using the included 3.5mm audio cable to the AUX IN jack.
- Targeta USB/TF: Insert a USB flash drive or a TF (Micro SD) card containing MP3 audio files into the respective ports. The amplifier will automatically detect and play compatible files.
- Antena FM: Connect the FM antenna wire to the FM ANTENNA input for radio reception.
4.4 Connexió del comandament a distància
- Wired Handlebar Controller: Plug the handlebar controller cable into the REMOTE LINE IN jack on the amplifier's rear panel.
- Wireless IR Remote: Ensure the IR receiver on the front panel (labeled 'IR') has a clear line of sight to the remote control.
5. Funcionament
5.1 Encès/Apagat
The Kinter A7BT amplifier does not have a dedicated power on/off button. It powers on automatically when connected to a 12V DC power source and powers off when the power source is disconnected.
5.2 Selecció del mode
Manteniu premut el botó M/P/P button on the front panel or the 'MODE' button on the IR remote to cycle through the available input modes: Bluetooth, AUX, USB, TF, and FM radio.
5.3 Control de volum
Adjust the volume using the:
- Panell frontal: Premeu llargament el botó NEXT/P button for Volume Up, and long press the PREV/V button for Volume Down.
- Handlebar Controller: Utilitza el SEGÜENT/V+ button for Volume Up, and PREV/V- button for Volume Down.
- Comandament IR: Feu servir els botons dedicats per pujar i baixar el volum.
5.4 Control de reproducció
Control audio playback using the:
- Panell frontal: Premsa curta NEXT/P for next track, short press PREV/V for previous track, short press M/P/P per a la reproducció/pausa.
- Handlebar Controller: Ús SEGÜENT/V+ per a la propera pista, PREV/V- for previous track, and P/P per a la reproducció/pausa.
- Comandament IR: Use the dedicated track skip and play/pause buttons.
5.5 Vinculació Bluetooth
When the A7BT amplifier is powered on, it is ready for Bluetooth pairing. Follow these steps:
- Ensure Bluetooth is enabled on your audio device (e.g., smartphone, tablet).
- Open your device's Bluetooth settings.
- Busca dispositius nous.
- Select "A7BT" from the list of available devices to connect.
- Once connected, the Bluetooth operation indicator will confirm the status.
5.6 Funcionament de la ràdio FM
In FM mode, use the track skip buttons on the front panel, handlebar controller, or IR remote to scan for and select radio stations.
Reproducció de targetes USB/TF de 5.7
When a USB drive or TF card is inserted, the amplifier will automatically switch to the corresponding mode and begin playing audio files. The unit will resume playback from where it left off when powered off and on again. Fast-forwarding within a song is not supported.
6. Manteniment
To ensure optimal performance and longevity of your Kinter A7BT amplifier, observe the following maintenance guidelines:
- Ventilació: Assegureu-vos el amplifier is placed in a well-ventilated area. The aluminum casing acts as a heatsink, and proper airflow is crucial to prevent overheating. Avoid enclosing the unit in tight spaces without ventilation.
- Neteja: Utilitzeu un drap suau i sec per netejar-lo ampl'exterior del lificador. No utilitzeu netejadors líquids ni dissolvents.
- Medi ambient: Eviteu exposar el amplifier to extreme temperatures, direct sunlight, high humidity, or dusty environments.
- Connexions: Comproveu periòdicament totes les connexions dels cables per assegurar-vos que estiguin ben fixades i que no presentin corrosió.
7. Solució De Problemes
If you encounter issues with your Kinter A7BT amplifier, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense poder | Power supply not connected or faulty; vehicle battery issue. | Check power supply connection and outlet. If hardwired, check battery connection and inline fuse (if installed). |
| Sense so | Incorrect input mode; speaker wires loose or incorrectly connected; volume too low; faulty audio source. | Verify correct input mode. Check speaker wire connections and polarity. Increase volume. Test with a different audio source. |
| Bluetooth no connectat | Amplifier not in Bluetooth mode; device too far; device already paired to another unit. | Assegureu-vos amplifier is in Bluetooth mode. Move device closer. Forget "A7BT" on your device and re-pair. |
| La targeta USB/TF no es reprodueix | Sense suport file format; targeta/unitat no inserida correctament; corrupta files. | Assegureu-vos fileEls discs tenen format MP3. Torneu a inserir la targeta/unitat. Proveu-ne una altra. |
| Ampel lifier es sobreescalfa | Poor ventilation; impedance mismatch with speakers. | Ensure adequate airflow around the unit. Verify speaker impedance matches ampEspecificacions de l'activador. |
| El comandament a distància no funciona | IR receiver blocked; remote battery low (for wireless IR remote); wired remote connection loose. | Ensure clear line of sight to IR receiver. Replace remote battery. Check wired remote connection. |
8. Especificacions
Detailed technical specifications for the Kinter A7BT ampmés viu.
Image: The Kinter A7BT amplifier with its length, width, and height dimensions indicated.
| Característica | Especificació |
|---|---|
| Número de model | A7BT |
| Nombre de canals | 2 |
| Potència de sortida | 2 x 20W (4Ω, 10% THD Max) |
| Entrada Voltage | 9-14.4V DC |
| Volum d’entrada nominaltage | 12 Volts |
| Corrent nominal d'entrada | ≤3A |
| Resposta de freqüència | 20Hz-20KHz |
| Impedància de sortida | 4-8 ohms |
| Relació senyal/soroll (SNR) | ≥80 dB |
| Distorsió harmònica total (THD) | ≤0.02% 4W |
| Interval de freqüència FM | 87.5-108.0 MHz |
| Input Impedance (FM) | 47 K ohms |
| Control extern | Comandament a distància per infrarojos |
| Temperatura de funcionament | 0-46 °C (32-115 °F) |
| Temperatura d'emmagatzematge | 0-60 °C (32-140 °F) |
| Humitat | 10-85% (Operating), 10-95% (Storage) |
| Dimensions de l'article (L x A x A) | 6.4 x 6.4 x 2.5 Centimeters (2.5 x 2.5 x 1 inches approx.) |
9. Garantia i Suport
The Kinter A7BT amplifier comes with a one-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or improper installation.
For technical support, warranty claims, or any questions regarding your Kinter A7BT amplifier, please visit the official KinterUSA weblloc web o contacteu directament amb el seu servei d'atenció al client.