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  • Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA
  • Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA
  • Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA
  • Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA
  • Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA
  • Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA
Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA

Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA

  • 1 - 499 Pieces
    $15
  • 500 - 4999 Pieces
    $5
  • >= 5000 Pieces
    $3

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
View product details

Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Audio Processing & Connectivity: Designed for MP3 playback, wireless subwoofer integration, and audio interface functionality, supporting high-quality sound output through the onboard speaker and microphone.
  • Versatile Electronics Base: Serves as a customizable PCB platform for electronic devices, featuring a microcontroller for core processing, power management systems, and multi-protocol connectivity options (USB, audio jack, microSD).

Key features

  • 1. Material Technology

    • With ENIG surface finishing, ensure corrosion resistance and compatibility with fine-pitch components, offering superior durability compared to standard HASL finishes*.

  • 2. Interactive Design

    • With multiple connectivity options (USB-C, USB-A, 3.5mm audio jack, microSD), customize your audio setup and expand functionality beyond standard audio interfaces*.

  • 3. Performance Parameters

    • With integrated Li-ion battery and voltage regulator, achieve stable power delivery and extended battery life for uninterrupted use compared to non-optimized power systems*.

  • 4. Scenario Solutions

    • With versatile connectivity and audio components, adapt to both portable MP3 player applications and home theater systems, outperforming single-purpose audio devices*.

  • 5. Certification Standards

    • With RoHS-compliant ENIG surface finishing, meet eco-friendly manufacturing standards, aligning with global environmental regulations*.

Product details

Wireless Subwoofer Powered Speaker PCB Board Reverse Engineering MP3 Player Audio Interface PCB Schematic Design Product PCBA

This PCB board is designed for wireless subwoofer speakers and MP3 players, featuring robust power management, versatile connectivity, and customizable audio interfaces. With ENIG, HASL, or OSP surface finishes, it ensures durability in diverse environments.

Technical specifications

FeatureSpecificationApplication Scenario
MicrocontrollerSTM32F103 (32-bit ARM Cortex-M3)Embedded audio processing in portable devices
Power ManagementLi-ion battery (3.7V) + voltage regulatorBattery-operated systems (e.g., handheld speakers)
ConnectivityUSB-C, USB-A, 3.5mm audio jack, microSDMulti-functional devices requiring data/audio transfer and storage
Audio ComponentsBuilt-in speaker + microphoneHigh-fidelity audio playback and recording
Surface FinishingENIG, HASL, or OSPCorrosion resistance in industrial/humid settings

Customization guide

Adjustable parameters:

  • Surface Finish: Choose ENIG for corrosion resistance, HASL for cost-effective durability, or OSP for RoHS compliance.
  • Connector Types: Customize USB-C/A ports or header pinouts for module integration.
  • Storage: Upgrade microSD slot capacity (up to 256GB) for expanded media storage.

Get inspired

Design a portable MP3 player with wireless subwoofer capabilities, or integrate this PCB into smart speakers, IoT audio devices, or battery-powered multimedia systems. Its modular layout enables quick adaptation to niche applications.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Processing Power72MHz MCU+15% (82.8MHz)+30% (93.6MHz)*
Battery Capacity2000mAh2300mAh2600mAh
Audio Output3W RMS5W RMS (+66%)8W RMS (+150%)
Connectivity PortsUSB-C, 3.5mm+USB-A+microSD + headers

Supplier's note

  1. Three Technical Breakthroughs:

    • Power Efficiency: The Li-ion battery paired with a voltage regulator ensures stable power delivery, 20% more efficient than standard solutions.
    • Modular Design: The 2.54mm header allows users to add custom modules, enabling 30% faster prototyping compared to fixed-layout boards.
    • Audio Quality: Enhanced SNR (Signal-to-Noise Ratio) in the Pro model reduces distortion by 40%, ideal for professional audio setups.

  2. Version Selection Guide:

    • Base Model: Ideal for basic MP3 players or entry-level IoT devices needing core audio functionality.
    • Advanced Model: Best for users requiring USB-A connectivity and moderate power (e.g., portable speakers for events).
    • Pro Model: Choose for high-fidelity audio projects (e.g., subwoofers, smart home systems) needing premium output and expandability.

With the Pro model’s 8W RMS output, you can deliver immersive bass for live performances. Pair its microSD slot with the voltage regulator to ensure uninterrupted playback even in fluctuating power conditions.

Frequently asked questions

  • Which PCB surface finish (ENIG, HASL, or OSP) is best suited for a portable wireless subwoofer device?

  • How do I maintain and clean the microcontroller and audio components on this PCB?

  • ENIG vs HASL vs OSP: Which surface finish is better for high-reliability audio PCBs?

  • Can I customize this PCB with additional sensors or modules for a custom audio project?

  • Is this PCB design FCC/CE certified and RoHS compliant?

  • What battery life and power efficiency can I expect from this wireless subwoofer PCB?

  • Which connectivity options are available on this PCB for expanding audio functionality?

  • Does this PCB support high-fidelity audio output for professional applications?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Power ManagementBattery-operated devicesLi-ion battery: 1000mAh (Industry) → 2000mAh (Our Base ▲) → 3000mAh (Our Advanced ▲▲)
(IEC 61960 compliance)		Extended runtime (up to 12h for Advanced)Higher cost for advanced batteries
Connectivity OptionsMedia hubs/audio interfacesUSB: 2.0 (Industry) → Type-A + Type-C (Base ▲) → Type-C (10Gbps ▲▲) + HDMI (4K ▲▲)
(USB-IF certified)		Faster data transfer (up to 10Gbps) and 4K video outputRequires firmware updates for advanced protocols
Audio Output QualityHigh-fidelity audio systemsSpeaker: 3W (Industry) → 5W (Base ▲) → 10W (Advanced ▲▲)
Microphone: -40dB → -46dB (▲) → -50dB (▲▲)
(IEC 60268-16)		Clearer audio (SNR: 75dB for Advanced)Increased power draw for high-output speakers
CustomizationDIY/audio modulesExpansion: Headers only (Industry) → 2.54mm headers + microSD (Base ▲) → microSD (128GB ▲▲) + Arduino pins ▲▲Modular design for custom sensors/audio modulesRequires soldering skills for advanced configurations
Surface FinishingMass production/high-reliability appsHASL (Industry) → OSP (Base ▲, RoHS) → ENIG (Advanced ▲▲, fine-pitch capable)
(IPC-4552 standards)		Enhanced solderability (ENIG: 0.05µm gold plating)ENIG increases PCB cost by ~20%
MicrocontrollerIoT/audio processing8-bit MCU (Industry) → 32-bit (50MHz, Base ▲) → 32-bit (100MHz ▲▲) + dual-core
(ARM Cortex-M7)		Faster audio decoding (MP3/WAV) and multitaskingHigher power consumption (Advanced: 1.2W vs Base: 0.8W)

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