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🎓 Trusted by Engineering Students, Makers & Innovators Across India
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  4. TG113 Bluetooth Speaker PCBA Module with FM Radio, USB TF Card, and AUX Input Wireless Audio Amplifier Board
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Pricelist: Retail Price (B2C) Pricelist
Pricelist: Retail Price (B2C) Pricelist
TG113 Bluetooth Speaker PCBA Module with FM Radio, USB TF Card, and AUX Input Wireless Audio Amplifier Board

TG113 Bluetooth Speaker PCBA Module with FM Radio, USB TF Card, and AUX Input Wireless Audio Amplifier Board

ParameterDetailed Specification
ConnectivityBluetooth 5.0, USB, TF Card, AUX
Operating Voltage3.7V - 5V DC (Li-ion Compatible)
Output TypeStereo (Dual Speaker Support)
Audio FormatsMP3, WAV, WMA
Signal-to-Noise Ratio≥ 85dB
Integrated ChargingMicro-USB Port (5V Input)
                                 Price

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₹ 84.75 ₹ 84.75
(Tax included)

Barcode: 3781054

Product Description

The TG113 Bluetooth Speaker PCBA Module is a comprehensive, all-in-one wireless audio solution designed specifically for repairing or building high-quality portable speakers. This module serves as the primary controller for the popular TG113 series, integrating stable Bluetooth 5.0 for long-range streaming, a sensitive FM tuner, and multiple input modes. It features a built-in battery management system, allowing it to be powered directly by a 3.7V Lithium-ion battery. Whether you are refurbishing a branded unit or starting a custom DIY project in your Pimpri workshop, this compact board provides professional-grade sound processing and a user-friendly interface.

Detailed Key Features

  • Multi-Input Versatility: Supports seamless playback from Bluetooth wireless, USB Flash drives, TF Micro-SD cards, and wired 3.5mm AUX connections.


  • Built-in FM Tuner: Integrated radio functionality allows for local station scanning without requiring external devices.


  • Stereo Sound Support: Engineered to drive dual speakers simultaneously, creating a rich and immersive stereo soundstage.

  • Onboard Power Management: Features an integrated Micro-USB charging port to safely recharge connected 3.7V batteries.


  • Dedicated Tactile Controls: Includes onboard buttons for precise control over volume, mode switching, and playback navigation.

All Technical Details

  • Bluetooth Specification: V5.0 + EDR for high-speed, stable wireless audio with low latency.

  • Power Output Range: Capable of driving 3W + 3W or 5W + 5W speakers, depending on the impedance used and power supply.

  • Frequency Response: Covers a broad range from 60Hz to 18kHz for balanced audio reproduction.

  • Decoding Compatibility: Decodes standard digital format,s including MP3, WAV, and WMA.

  • Interface Ports: Equipped with a Micro-USB charging port, USB Type-A female, TF slot, and 3.5mm jack.

  • Compact PCB Footprint: Designed to fit into standard cylindrical and rectangular portable speaker housings.

Prototyping & Engineering Tips (Robogears Exclusive)

  • Antenna Optimisation: Solder a thin wire of approximately 10-15cm to the "ANT" pad on the PCB to significantly improve FM radio reception.

  • Polarity Verification: Always confirm battery polarity before connection; reversing the +/- terminals will damage the integrated charging IC instantly.

  • Enclosure Importance: For better bass response, mount your speakers in a properly sealed or ported enclosure rather than testing them in open air.

  • Current Stability: If using a 5V adapter instead of a battery, ensure it can provide at least 1A of stable current for distortion-free playback at high volumes.

Package Includes

  • 1 x TG113 Bluetooth Speaker PCBA Module (with onboard buttons and ports)

Image Disclaimer

Image shown is for illustrative purposes only; the actual product may vary slightly in design, colour, or component layout due to manufacturing updates, though all technical specifications will remain as described.

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