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Bluetooth Modules
  • Bluetooth Decoder Board MP3 VHM-314 Black Bluetooth 5.0 Micro Supply Electronic Module
  • Bluetooth Decoder Board MP3 VHM-314 Black Bluetooth 5.0 Micro Supply Electronic Module
  • Bluetooth Decoder Board MP3 VHM-314 Black Bluetooth 5.0 Micro Supply Electronic Module
Bluetooth Decoder Board MP3 VHM-314 Black Bluetooth 5.0 Micro Supply Electronic Module
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Bluetooth Decoder Board MP3 VHM-314 Black Bluetooth 5.0 Micro Supply Electronic Module

  • 10 - 99 Pieces
    $0.82
  • 100 - 999 Pieces
    $0.75
  • >= 1000 Pieces
    $0.69

Customization:

Customized logo（Min.Order: 1000 pieces）
Graphic customization（Min.Order: 1000 pieces）
Customized packaging（Min.Order: 1000 pieces）
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Bluetooth Decoder Board MP3 VHM-314 Black Bluetooth 5.0 Micro Supply Electronic Module

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Bluetooth 5.0 Audio Decoding: Supports seamless streaming and decoding of MP3 audio via Bluetooth 5.0, enabling high-quality wireless connectivity for stereo output.
  • Multi-Interface Compatibility: Features a 3.5mm microphone jack, Micro USB port for power/data, and dual "L/R" speaker outputs, facilitating integration into diverse audio systems.
  • Power Management: Built-in battery and power indicators ensure efficient energy use, ideal for portable or battery-operated devices.

Key features

  • 1. Durable Construction for Reliable Performance

    • With a robust black PCB material, you can ensure long-lasting durability in demanding environments. (More resistant to wear than plastic-based boards*)

  • 2. Flexible Input and Monitoring Capabilities

    • With dual input options (Bluetooth and 3.5mm jack) and real-time status indicators, you can easily switch between wireless and wired audio while monitoring power and battery levels. (Offering greater adaptability than single-input modules*)

  • 3. Enhanced Bluetooth 5.0 Performance

    • With Bluetooth 5.0 technology, you can achieve faster pairing, a range of up to 100 meters*, and higher data transfer speeds compared to Bluetooth 4.2 models*.

  • 4. Versatile Application Potential

    • With a modular design and stereo audio output, you can customize this board for portable speakers, educational projects, or professional audio setups. (More adaptable than single-purpose audio modules*)

  • 5. Certified Compatibility and Reliability

    • With Bluetooth SIG certification, you can ensure seamless compatibility with Bluetooth-enabled devices, unlike uncertified alternatives*.

Product details

Bluetooth Decoder Board MP3 VHM-314 Black Bluetooth 5.0 Micro Supply Electronic Module

The VHM-314 Bluetooth Decoder Board is a versatile audio and power management module designed for seamless integration into portable devices, educational projects, and custom electronics. Equipped with Bluetooth 5.0, stereo outputs, and modular components, it offers robust performance and adaptability for diverse applications.

Technical specifications

FeatureSpecificationBenefit
Bluetooth ChipsetBluetooth 5.0Enhanced range (up to 30m) and speed
Audio OutputsStereo L/R ChannelsHigh-quality, immersive sound delivery
Power InputMicro USB PortEasy power/data integration
Microphone Jack3.5mmCompatible with standard audio devices
Power ManagementLED Indicators (BAT/PWR)Real-time battery and power status

Customization guide

Adjustable parameters such as power output levels and audio settings can be customized to meet specific project requirements, enabling tailored solutions for portable speakers, educational kits, or IoT devices.

Get inspired

With its modular design and Bluetooth 5.0 capabilities, the VHM-314 empowers users to build everything from DIY audio projects to professional-grade speakers. Its compact size and LED indicators make it ideal for both prototyping and final products.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Transmission Range10m+15% (11.5m)+30% (13m)*
Power EfficiencyStandard20% lower power30% lower power*
Audio Quality32kHz44.1kHz48kHz

Supplier's note

  1. Three Technical Breakthroughs:

    • Bluetooth 5.0: Delivers 2x faster data transfer and 4x improved range compared to Bluetooth 4.2.
    • Modular Design: Supports quick integration into custom projects without sacrificing performance.
    • Dual LED Indicators: Enable real-time monitoring of power and battery status for reliable operation.

  2. Optimal Version Selection:

    • Base Model: Ideal for basic audio projects (e.g., simple speakers) where cost efficiency is prioritized.
    • Advanced Model: Recommended for hobbyists and educators needing enhanced range (e.g., classroom audio systems) and 20% lower power consumption.
    • Pro Model: Designed for professionals requiring premium audio quality (48kHz) and extended range (13m), perfect for high-end portable speakers or industrial IoT applications.

With the Pro Model’s 30% extended range, you can ensure stable Bluetooth connectivity in large venues. Pair this with its low-power design to reduce battery drain during prolonged use.

Frequently asked questions

  • Which Bluetooth decoder board is best for portable speakers?

  • How to clean the circuit board without damaging components?

  • Why is the PCB material suitable for audio projects?

  • Can this Bluetooth module be customized for DIY projects?

  • Is the VHM-314 Bluetooth 5.0 compliant with international standards?

  • Is the VHM-314 suitable for educational electronics projects?

  • How does the power management feature work on this module?

  • Does the VHM-314 support high-quality audio output?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Bluetooth ModulesPortable audio devices, IoT projects▲ Bluetooth 5.0 (2Mbps data rate, 4x range vs Bluetooth 4.2)
3.5mm audio input (TRS connector)
Built-in power management (5V LiPo charging)		High data rate for CD-quality audio
Long-range connectivity (up to 100m)
Modular design for customization		Requires external power source
Limited to audio-focused applications
Audio AmplifiersHome theaters, public address systems50W RMS output (Class D amplification)
Line-in/Bluetooth dual inputs
IPX5 dust/water resistance		Powerful sound output (supports 8Ω speakers)
Energy-efficient design		Bulky form factor
Requires high-power supply (12V DC)
Portable SpeakersOutdoor events, travel▲ 10,000mAh battery (10-hour playback)
IPX5 water resistance
Bluetooth 5.0 compatibility		All-day battery life
Weather-resistant for outdoor use		Lower audio fidelity compared to studio speakers
Fixed firmware (no customization)
Power Management ICsWearables, IoT sensors▲ 90% power conversion efficiency (vs 80% industry avg)
Low standby power (0.1W)		Maximizes battery life in portable devices
Compact size (20x20mm)		Specialized use case (non-audio applications)
Requires expertise for integration
Educational KitsClassroom projects, STEM learningModular components (Arduino/Raspberry Pi compatible)
Step-by-step guides
Pre-soldered PCBs		Easy to assemble for beginners
Reusable for multiple projects		Limited to educational use cases
No advanced features (e.g., no Bluetooth)
Custom Audio SolutionsProfessional studios, DIY projects▲ Customizable firmware (via SDK)
32-bit DAC (120dB SNR)
Multiple I/O options (USB/Bluetooth/optical)		Tailored performance for high-fidelity audio
Supports professional-grade codecs (e.g., aptX HD)		High cost ($150+)
Requires advanced technical skills

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