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In this video, I show you how to install and wire a Bluetooth USB/MP3 Decoder Board directly to speakers without using an external amplifier! 🎵 This is a step-by-step tutorial on setting up a portable audio system. We start by building a custom 12V lithium battery pack, ensuring the correct polarity for the power input. Then, I demonstrate the secret to connecting the stereo output directly to small speakers. This method is perfect if you want to create your own DIY Headphones or a mini desktop speaker setup where high-power amplification isn't needed. 🔗Click & Buy: https://s.click.aliexpress.com/e/_onSM8w2 🔔 (Disclaimer: As an affiliate, I earn from qualifying purchases.) 🔊 What you will learn: How to make a 12V battery pack for audio modules. Wiring the power and speakers correctly (Safety first!). Testing the sound quality without an amp. 👇 Check out these related videos: 1- https://youtu.be/dmEVipmQJq0 2- https://youtu.be/XNR5G7TJKcg 3- https://youtu.be/4JkQIREw70o 4- https://youtu.be/WotxZfBJY50 5- https://youtu.be/Jgf97FKpQtg 🔴 Subscribe for more DIY Audio Projects: https://www.youtube.com/channel/UCkxr0CJL7aoHLxmaUS40sxg?sub_confirmation=1 ⏱️ Video Chapters: 00:00 Intro: Running MP3 Decoder without an Amp! 00:26 Making a 12V Lithium Battery Pack 01:13 Power Wiring Guide (Positive & Negative) 01:42 Connecting Stereo Output to Small Speakers 03:28 First Power On & USB Music Test 04:08 Important Update: Old Speakers & Recorders 04:15 Sound Test (Microphone Close-up) 04:36 When do you actually need an Amplifier? #DIYAudio #BluetoothModule #MP3Decoder #NoAmplifier #ElectronicsProject #BluetoothSpeaker ▬ Social Media ▬▬▬▬▬▬▬▬▬ 📷 Instagram: https://www.instagram.com/newtecpro 🔗 Twitter: https://x.com/newtecpro ↗️ Telegram: https://t.me/newtecpro ✅ whatsapp: https://whatsapp.com/channel/0029Vb4DHvnGpLHPeltDFu3P 📩 Email: newtecprof@gmail.com Key Highlights & Overview: Enjoy <strong>Bluetooth Mp3 Decoder Board Mp3 Decoder Einfache Installation Hohe</strong> music track, audio songs, and official release details today on <strong>MP3 Music Download</strong>.