1. Introducció
The Arvin BP1048 EQ40 is a versatile Bluetooth 5.0 DSP Tuning Electronic Frequency Division Module designed for audio enthusiasts. It functions as a TWS Audio Stereo Pre-amplifier Tuning Board, offering advanced sound customization, multiple input/output options, and computer sound card capabilities. This manual provides detailed instructions for setting up, operating, and maintaining your module.
2. Característiques clau
- Advanced DSP Tuning: Features up to 16 groups of EQ switching, 40 bands of adjustable EQ, customizable bass, midrange, and treble, adjustable crossover points, BASS subwoofer, vocal optimization, dynamic range compression, anti-breakdown, low-cut, low-pass, high-pass, high-cut, 3D sound effects, music delay, sound field optimization, and noise elimination.
- Múltiples entrades d'àudio: Supports U disk lossless playback, mobile phone OTG music input, Bluetooth dual mode 5.0, AUX wired input, and computer USB sound card input.
- Flexible Audio Outputs: Provides low-pass 2.1 output, 2.0 output, mono output, and electronic 2-way crossover output.
- Funcionalitat TWS: Two modules can be paired for wireless stereo sound with one-key pairing.
- Interfície fàcil d'utilitzar: Includes a power C-port, external USB, AUX interface, external signal gain antenna interface, and dedicated buttons for volume control, song navigation, and mode switching.
- Driver-Free Tuning: Online tuning with software instructions, data saving chip, and integrated ampmés viu.
3. Especificacions
| Atribut | Valor |
|---|---|
| Número de model | EQ40 |
| Nom de marca | Arvin |
| Dimensions (AxAxP) | 45 mm * 38 mm |
| Pes | 10 g |
| Estil d'equip compatible | Amplifier, Digital-to-Analog Converter (DAC) |
| Origen | Xina continental |
| Certificació | Cap |
Fixed hole size: 3MM
Image: BP1048 module showing its physical dimensions and weight.
4. Components mésview
The BP1048 module is a compact board with various connectors and controls. It can be used standalone or with optional expansion boards.
4.1 Disseny de la placa principal
Imatge: Enrere view of the BP1048 module with clearly labeled ports for audio output, power, and external connections.
- DC5V (V- V+): Entrada de potència.
- Audio Output (L G R X): Stereo output (L, R) and Bass output (X). Note: 'X' is Bass output.
- Sortida estèreo: 3.5mm jack for stereo audio.
- Bass Output: 3.5mm jack for bass audio.
- AUX IN: 3.5mm jack for wired audio input.
- USB (D- D+): USB data connection for computer sound card functionality and U-disk playback.
- 100K Potentiometer Expansion Board Connector: For connecting an external potentiometer board for bass, midrange, and treble adjustment.
- External Key Connector: For connecting an external key panel for control functions.
- LED: Indicador d'estat.
- Antenna Interface (IPEX4): For connecting an external signal gain antenna to improve Bluetooth range.
Image: BP1048 module showing the IPEX4 antenna interface and the connector for the 100K potentiometer regulating board.
4.2 accessoris opcionals
Imatge: Explosió view of the BP1048 module with its optional accessories, including the potentiometer adjustment board, external key panel, and connecting line.
- Potentiometer Adjustment Board: Allows for physical adjustment of Bass, Midrange, and Treble.
- External Key Panel: Provides dedicated buttons for control functions.
- Connecting Line: Wires for connecting external components.
5. Instruccions de configuració
5.1 Connexió d'alimentació
Connect a DC 5V power supply to the V- V+ terminals on the board. The C-port can also be used for power, especially when connecting to a computer for DSP tuning.
5.2 Connexió de sortida d'àudio
- Sortida estèreo: Connect your speakers or headphones to the 3.5mm Stereo Output jack.
- Bass Output: If using a dedicated subwoofer, connect it to the 3.5mm Bass Output jack.
- Alternatively, use the L G R X terminals for custom wiring to your ampmés alt o altaveus.
5.3 Connexió d'entrada d'àudio
- Entrada AUX: Connect external audio sources (e.g., smartphone, MP3 player) via a 3.5mm audio cable to the AUX IN jack.
- USB Input (Computer Sound Card): Connect the module to your computer via the USB port. The module will function as a sound card, allowing audio playback from your computer.
- USB Input (U-disk): Inseriu una unitat flash USB amb àudio files into the USB port for lossless playback.
- Entrada Bluetooth: See Section 6.2 for Bluetooth pairing instructions.
5.4 External Controls (Optional)
- Potentiometer Board: Connect the 100K Potentiometer expansion board to its dedicated connector on the main board for physical bass, midrange, and treble adjustments.
- External Key Panel: Connect the external key panel to its connector for remote control of functions.
Image: Potentiometer expansion board with connecting cable.
Image: Potentiometer expansion board showing labels for Bass, Midrange, and Treble adjustment.
5.5 Connexió de l'antena
For optimal Bluetooth performance, connect an external IPEX4 antenna to the antenna interface on the module.
6. Instruccions de funcionament
6.1 Controls bàsics
Imatge: Anglesa view of the BP1048 module illustrating the functions of its control buttons.
- Encès/apagat: Long press the 'G' button (or corresponding button on external key panel).
- Mode de canvi: Short press the 'G' button (or corresponding button on external key panel) to cycle through input modes (Bluetooth, AUX, USB, U-disk).
- Puja el volum (+): Premeu breument el botó '+'.
- Següent cançó: Premeu llargament el botó '+'.
- Baixar el volum (-): Premeu breument el botó '-'.
- Cançó anterior: Premeu llargament el botó '-'.
- Reproduir/pausa: Premeu breument el botó Reproduir/Pausa.
6.2 Bluetooth Pairing (TWS)
- Single Module Pairing: Power on the module. The LED indicator will flash, indicating it's in pairing mode. Cerca 'BP1048' on your Bluetooth device and connect.
- Emparellament TWS (True Wireless Stereo): To achieve wireless stereo sound, you need two BP1048 modules. Power on both modules. Long press the Play/Pause button on one module to initiate TWS pairing. Once paired, they will function as a left and right channel. Then, connect your Bluetooth device to one of the paired modules.
6.3 DSP Tuning
The BP1048 module offers extensive DSP tuning capabilities. This is typically done via dedicated software on a computer.
- Programari: The module is designed to work with specific DSP tuning software. Please refer to the seller's provided resources for software download links and instructions.
- Connexió: Connect the module to your computer via USB. The module will act as a sound card, allowing real-time tuning.
- Procés d'afinació: The software allows you to adjust various parameters such as EQ (40 bands), crossover points, bass/midrange/treble, dynamic range compression, 3D effects, and noise reduction. You can listen to the changes in real-time.
- Desar la configuració: After tuning, save your custom settings to the module's flash memory. This ensures your preferences are retained even after power cycling.
Video: Demonstration of DSP tuning software in action.
Image: Screenshot of the DSP tuning software interface, displaying a Parametric Equalizer Plot for audio adjustment.
Image: Screenshot of the DSP tuning software interface, displaying the Dynamic Range Compression (DRC) Design Tool.
7. Consells d'usuari
- DSP Software: Ensure you download the correct DSP software from the seller's official channels. The software is crucial for unlocking the full tuning potential of the module.
- Desar la configuració: Always use the 'Save to Flash' or equivalent command within the DSP software to permanently store your custom EQ and other settings. If settings are not saved, they may be lost when power is removed.
- Analog Potentiometer: The module supports external analog potentiometers for volume and tone control. This can be a convenient way to make quick adjustments without the software.
- AUX Mode and DSP: The DSP functionality should work across all input modes, including AUX. If you experience issues, verify your software settings.
- Cablejat: Pay close attention to the wiring diagrams, especially for power and audio outputs, to prevent damage and ensure correct functionality.
8. Solució De Problemes
8.1 Sense sortida de so
- Check power connection (DC 5V).
- Ensure audio cables are correctly connected to the output jacks/terminals.
- Verify the input mode is correctly selected (Bluetooth, AUX, USB).
- Increase the volume on both the module and the connected audio device/ampmés viu.
8.2 Problemes de connexió Bluetooth
- Ensure the module is in Bluetooth pairing mode (LED flashing).
- Check that Bluetooth is enabled on your source device.
- Move the source device closer to the module to improve signal strength.
- Disconnect and reconnect the external antenna if used.
- If TWS pairing, ensure both modules are powered on and initiated correctly.
8.3 DSP Settings Not Saving
- After making changes in the DSP software, ensure you click the 'Save to Flash' or equivalent button to write the settings to the module's internal memory.
- Verify that the software is compatible with your module version.
- Ensure a stable USB connection to the computer during the saving process.
8.4 Cannot Connect to Computer for DSP Tuning
- Ensure the USB cable is properly connected between the module and the computer.
- Check if the computer recognizes the module as a sound card. You may need to select it as the audio output device in your computer's sound settings.
- Restart both the module and the computer.
- Confirm that the DSP software is correctly installed and running.
9. Manteniment
- Mantingueu el mòdul en un lloc sec, allunyat de la humitat i de temperatures extremes.
- Avoid exposing the module to direct sunlight or heat sources.
- Clean the module with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Handle the module with care to prevent physical damage to components or connectors.
10. Garantia i Suport
For warranty information and technical support, please refer to the seller's policies or contact the seller directly. Keep your purchase receipt for any warranty claims.
11. Preguntes freqüents (FAQ)
Q: What is the size of the module?
A: The module dimensions are 45mm x 38mm (WxHxD).
Q: Which brand is this module?
A: The brand name is Arvin.
Q: Where can I download the DSP software?
A: Please contact the seller or refer to the product page for the official DSP software download link and instructions.
Q: Does the DSP work in AUX mode?
A: Yes, the DSP functionality is designed to work across all input modes, including AUX. Ensure your DSP settings are correctly applied and saved.
Q: Is it possible to control the volume with an analog potentiometer?
A: Yes, the module supports an external 100K potentiometer expansion board for analog control of bass, midrange, and treble, which can also influence overall volume depending on the tuning.
Q: My custom EQ settings are not saved after I power off the module. What should I do?
A: After making any changes in the DSP software, you must use the 'Save to Flash' or equivalent command within the software to permanently store your settings on the module. If this step is missed, settings will revert to default upon power loss.
Q: I am having trouble connecting the module to my computer for DSP tuning.
A: Ensure the USB cable is securely connected. The module should be recognized as a USB sound card by your computer. Check your computer's sound settings to select the module as the active audio device. If issues persist, try restarting both devices and reinstalling the DSP software.
