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Green printed circuit board with solderable components and retractable antenna

IC Board DIY Bluetooth Speaker Soldering Kit with FM Radio

SKU CH-KAK8-X7S2B

A DIY soldering kit that builds a Bluetooth speaker with FM radio, hands-free calling, one-click recording and voice-activated LED lighting

  • Sports Team1 Piece
  • Build a working Bluetooth speaker and FM radio from one kit
  • Solder components yourself to learn practical electronics skills
  • Hands-free calls with built-in high-sensitivity microphone for clear voice
  • One-click recording from USB or TF card captures audio instantly
  • Retractable antenna and power-off memory keep radio settings ready

All-in-one DIY audio kit

This DIY Bluetooth-compatible speaker soldering kit integrates FM radio, four audio input modes, hands-free calling with a built-in microphone and a voice-activated colour LED light. It is designed for hobbyists who want a functional audio project they can assemble themselves.

Thermals noise and power

The kit operates from a low-voltage supply suitable for bench or portable use, drawing modest current during playback and radio reception. No active cooling is required and the circuit runs silently in normal operation.

Build integration

The board includes a retractable antenna for radio reception and an on-board power switch with memory that restores the last station after power-off. Builders need only basic soldering tools and a suitable enclosure; the kit frees you from designing the audio amplifier and radio front-end from scratch.

Highlights

  • Build a working Bluetooth speaker and FM radio from one kit
  • Solder components yourself to learn practical electronics skills
  • Hands-free calls with built-in high-sensitivity microphone for clear voice
  • One-click recording from USB or TF card captures audio instantly
  • Retractable antenna and power-off memory keep radio settings ready

Specifications

Sports Team1 Piece

Questions about this item

How do I solder the IC board and which step do builders usually mess up?

Solder each through-hole component onto the printed circuit board following the silkscreen labels; the step most often botched is orienting the electrolytic capacitors and the IC socket the wrong way round, which stops the kit from powering up.

What parts will need replacement after extended use?

The electrolytic capacitors on the board are the first components likely to dry out and lose capacitance, and the retractable FM antenna can lose tension or snap if pulled roughly.

What limit appears first during a long listening session?

The small on-board amplifier will hit thermal protection and reduce volume before the battery runs flat, so sustained high-level playback is limited by heat dissipation.

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