1. Introduktion
The AIYIMA B07 is a 2.1 channel Bluetooth amplifier designed for home audio systems. It features two TPA3255 amplifier chips, providing output for stereo speakers and a subwoofer. The amplifier includes Bluetooth 5.2 connectivity and multiple wired input options, along with independent controls for bass, treble, and subwoofer frequency and volume.
This manual provides detailed instructions for the setup, operation, and maintenance of your AIYIMA B07 amplivligere.
2. Pakkens indhold
Tjek venligst pakken for følgende varer:
- 1 x AIYIMA B07 Amplivligere
- 1 x strømadapter
- 1 x brugermanual
3. Produktet er slutview
The AIYIMA B07 amplifier features a compact design with various controls and connection ports. Familiarize yourself with the front and rear panels before setup.
Kontrol på frontpanelet
Image: Diagram illustrating the front and rear panel controls and ports of the AIYIMA B07 amplivligere.
- BT/AUX/RCA Input Switch: Vælger lydindgangskilden.
- SW (Bass Gain) Control: Adjusts the bass gain for the subwoofer output (±4dB).
- SW-FREQ (Bass Cutoff Frequency) Control: Adjusts the subwoofer cutoff frequency (50-220Hz).
- SW-VOL (Bass Volume) Control: Adjusts the volume level of the subwoofer output.
- BAS kontrol: Adjusts the bass level for the main stereo channels.
- DISKANT-kontrol: Adjusts the treble level for the main stereo channels.
- VOL (Total Volume) Control: Justerer den samlede masterlydstyrke.
- Power/Input Indicator: Displays the current power status and selected input.
Bagpaneltilslutninger
- LYDINDGANG (RCA): Stereo RCA input for external audio sources.
- AUX-indgang (3.5 mm): 3.5mm auxiliary input for audio sources.
- AUX-UDGANG (3.5 mm): 3.5mm auxiliary output for connecting to another amplifier eller drevne højttalere.
- RF (Bluetooth Antenna): Tilslutningspunkt til Bluetooth-antennen.
- SPK OUT (R/L): Speaker terminals for connecting passive stereo speakers.
- SUB: Højttalerterminaler til tilslutning af en passiv subwoofer.
- DC 24-48V (VICE/MAIN): Dual power input interfaces for DC 24-48V power supply.
Image: Close-up of the AIYIMA B07 amplifier's rear panel, highlighting the gold-plated speaker terminals and input/output ports.
4. Opsætningsvejledning
Follow these steps to set up your AIYIMA B07 amplivligere:
4.1 Connecting Speakers and Subwoofer
- Sørg for ampLiferen er slukket og frakoblet.
- Connect your passive stereo speakers to the SPK OUT (R/L) terminals. Ensure correct polarity (+ to + and - to -).
- Connect your passive subwoofer to the SUB Sørg for korrekt polaritet.
- Alternatively, if using a powered subwoofer, connect its input to the AUX UD port på amplivligere.
Image: Diagram showing how to connect passive stereo speakers and a passive subwoofer to the AIYIMA B07 amplifier in 2.1 channel output mode.
4.2 Tilslutning af lydkilder
- Bluetooth: Attach the provided Bluetooth antenna to the RF connector on the rear panel.
- RCA-indgang: Connect your audio source (e.g., CD player, DAC) to the LYDINDGANG (RCA) ports using an RCA cable.
- AUX-indgang: Connect your audio source (e.g., smartphone, tablet) to the AUX IN (3.5 mm) porten ved hjælp af et 3.5 mm lydkabel.
4.3 Strømtilslutning
- Connect the provided DC48V 5A power adapter to either the VICE or HOVED DC 24-48V input on the rear panel.
- Sæt strømadapteren i en passende stikkontakt.
5. Betjeningsvejledning
5.1 Tænd/sluk
After connecting all components, turn the master volume knob clockwise to power on the amplifier. The power indicator will illuminate. Turn the knob counter-clockwise until it clicks to power off.
5.2 Valg af indgangskilde
Brug BT/AUX/RCA Input Switch on the front panel to toggle between Bluetooth, AUX, and RCA input sources. The input indicator will show the currently selected source.
5.3 Bluetooth -parring
- Switch the input to Bluetooth (BT). The Bluetooth indicator will flash, indicating it's in pairing mode.
- Aktiver Bluetooth på din enhed (f.eks. smartphone, tablet), og søg efter tilgængelige enheder.
- Select "AIYIMA B07" from the list to pair. Once connected, the Bluetooth indicator will stop flashing and remain solid.
- Du kan nu afspille lyd fra din enhed via amplivligere.
Image: Diagram highlighting the QCC3040 Bluetooth 5.2 chip, indicating support for AAC, SBC, aptX, aptX-LL, and aptX-HD codecs for low-latency, high-definition sound.
5.4 Adjusting Audio Controls
- Samlet volumen: Brug den store BIND knob to adjust the overall output volume.
- Bas/diskant: Brug BASS og DISKANT knobs to fine-tune the high and low frequencies of the main stereo channels.
- Subwoofer-kontroller:
- SW (Bass Gain): Adjusts the intensity of the subwoofer output.
- SW-FREQ (Bass Cutoff Frequency): Sets the upper frequency limit for the subwoofer, allowing integration with your main speakers.
- SW-VOL (Bass Volume): Adjusts the independent volume level of the subwoofer.
6. Specifikationer
The following table details the technical specifications of the AIYIMA B07 amplivligere:
| Feature | Specifikation |
|---|---|
| Produktdimensioner | 5.39 x 4.72 x 1.38 tommer |
| Varens vægt | 1.9 pund |
| Modelnummer | B07 |
| Voltage | 48 volt (DC) |
| Maksimal forsyning Voltage | 48 volt (DC) |
| Minimumsforsyning Voltage | 24 volt (DC) |
| Bluetooth version | 5.2 (Supports AAC, SBC, aptX, aptX-LL, aptX-HD) |
| Indgangsgrænseflader | Bluetooth, RCA, 3.5 mm AUX |
| Udgangsgrænseflader | Passive Speakers (R/L), Passive Subwoofer, 3.5mm AUX Out |
| Amplifier Chips | 2 x TPA3255 |
| Op-amp Chips | 6 x NE5532 (non-replaceable) |
Strømudgangsmåler
Image: Table detailing the power output of the AIYIMA B07 amplifier for left/right channels and bass channel under different supply power and speaker impedance conditions.
| Forsyne strøm | Left and Right Channel Output | Bass Channel Output | ||||
|---|---|---|---|---|---|---|
| Højttalerimpedans | Udgangseffekt | Max udgangseffekt | Højttalerimpedans | Udgangseffekt | Max udgangseffekt | |
| 36V 6A | 4Ω | 107W*2 | 107W*2 | 4Ω | 165W*1 | 190W*1 |
| 6Ω | 100W*2 | 100W*2 | 6Ω | 122W*1 | 150W*1 | |
| 8Ω | 94W*2 | 94W*2 | 8Ω | 82W*1 | 118W*1 | |
| 48V 5A | 4Ω | 120W*2 | 120W*2 | 4Ω | 270W*1 | 270W*1 |
| 6Ω | 110W*2 | 110W*2 | 6Ω | 225W*1 | 240W*1 | |
| 8Ω | 102W*2 | 102W*2 | 8Ω | 150W*1 | 190W*1 | |
| 48V 10A | 4Ω | 250W*2 | 250W*2 | 4Ω | 300W*1 | 315W*1 |
| 6Ω | 210W*2 | 210W*2 | 6Ω | 225W*1 | 240W*1 | |
| 8Ω | 185W*2 | 185W*2 | 8Ω | 150W*1 | 190W*1 | |
7. Fejlfinding
If you encounter issues with your AIYIMA B07 ampLifier, se følgende almindelige problemer og løsninger:
- Ingen lyd:
- Ensure the power adapter is securely connected and the ampkøleren er tændt.
- Verify that speakers and subwoofer are correctly connected with proper polarity.
- Check that the correct input source (Bluetooth, AUX, RCA) is selected.
- Increase the master volume and individual bass/treble/subwoofer volume controls.
- Test with a different audio source or cable.
- Forvrænget lyd:
- Skru ned for lydstyrken på begge amplifteren og lydkilden.
- Sørg for, at højttalerimpedansen matcher amplifiers muligheder.
- Kontroller lydkablerne for skader eller løse forbindelser.
- Problemer med Bluetooth-forbindelse:
- Sørg for, at Bluetooth-antennen er korrekt fastgjort.
- Bekræft amplifier is in Bluetooth input mode and pairing mode (flashing indicator).
- Move your Bluetooth device closer to the amplivligere.
- Forget "AIYIMA B07" from your device's Bluetooth settings and attempt to re-pair.
- Genstart begge amplifier og din Bluetooth-enhed.
- AmpLifier bliver varm:
- Sørg for tilstrækkelig ventilation omkring amplifier. Do not block the heat dissipation holes.
- Operating at high volumes for extended periods can cause the unit to warm up, which is normal. If it becomes excessively hot or shuts down, reduce volume and ensure proper ventilation.
Image: Illustration showing the heat dissipation design of the AIYIMA B07 amplifier, with air flowing through bottom and side vents.
8. Vedligeholdelse
To ensure the longevity and optimal performance of your AIYIMA B07 ampLifier, følg disse vedligeholdelsesretningslinjer:
- Rensning: Brug en blød, tør klud til at tørre ydersiden af amplifier. Avoid using liquid cleaners or abrasive materials.
- Ventilation: Sørg for amplifier is placed in a well-ventilated area. Do not cover the ventilation holes.
- Opbevaring: Når den ikke er i brug i længere perioder, skal den opbevares ampOpbevar apparatet på et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
- Magt: Always use the provided power adapter or a compatible replacement with the correct voltage og aktuelle vurderinger.
9. Garanti og support
AIYIMA provides a 2-year warranty for this product, ensuring worry-free after-sales service. For technical support, warranty claims, or any inquiries regarding your AIYIMA B07 amplifier, please contact AIYIMA customer service through your purchase platform or the official AIYIMA webwebsted.
Gem venligst din købsbevis af garantihensyn.
