KPBS Portable Bluetooth Speaker Kit

Build your own portable Bluetooth speaker with the KPBS Portable Bluetooth Speaker Kit. Designed for students, makers, and electronics enthusiasts, this kit combines two 63mm moisture-resistant Mylar speakers with an MH-M38 Bluetooth Audio Receiver Module to create a compact, high-quality stereo speaker system. The kit introduces students to Bluetooth technology, stereo audio, audio amplification, speaker wiring, and enclosure design while producing a practical project they can use every day. An optional precision laser-cut enclosure is available, allowing students to assemble a professional-looking portable speaker while learning about electronics, engineering, and product design.

Key Features

• Build a fully functional portable Bluetooth speaker
• Includes two 63mm 3W 8Ω moisture-resistant Mylar speakers
• Uses the MH-M38 Bluetooth 4.2 stereo amplifier module
• Wireless Bluetooth audio streaming
• Compact design suitable for classroom and home projects
• Optional laser-cut enclosure for professional assembly
• Ideal introduction to audio electronics and Bluetooth technology

What’s Included

• 2 × 63mm Mylar Speakers (3W, 8Ω)
• 1 × MH-M38 Bluetooth Audio Receiver Module
• Connection hardware (kit version dependent)
• Optional laser-cut enclosure
  Power supply or lithium battery not included 

Curriculum Links

Australian Curriculum (v9.0):

• • ACTDEK042 – Investigate how electrical and electronic systems are designed and controlled
  • ACTDEP050 – Produce designed solutions using appropriate technologies and processes

Victorian Curriculum:

• • • VCDSTS039 – Technologies systems
    • VCDSCD041 – Producing designed solutions

    NSW (Stage 4–5 Technology Mandatory):

    • TE4-2DP – Designs and produces solutions
    • TE4-5AG – Applies problem-solving, testing and evaluation skills

    Classroom Use / Learning Outcomes

    Students will:

    • Assemble a working Bluetooth speaker
    • Learn how Bluetooth transmits digital audio wirelessly
    • Understand stereo amplifier operation
    • Explore speaker impedance and power ratings
    • Investigate enclosure design and its effect on sound quality
    • Develop wiring, assembly, testing, and troubleshooting skills

    Teacher Benefits

    • Engaging real-world electronics project
    • Demonstrates modern wireless audio technology
    • Encourages hands-on problem solving
    • Suitable for STEM, Design and Technologies, and Systems Engineering classes
    • Optional enclosure enables discussion of acoustic design and manufacturing techniques

    Optional Laser-Cut Enclosure

    The optional laser-cut enclosure transforms the electronics into a durable, professional-looking portable Bluetooth speaker. Students gain additional experience assembling mechanical components while exploring how enclosure size, construction, and speaker placement influence sound quality and overall performance.

    Perfect For

    • Secondary school electronics
    • STEM education
    • Design and Technologies
    • Systems Engineering
    • Audio electronics projects
    • Makerspaces
    • DIY Bluetooth speakers