Class D Amplifier Installation: பழைய ஸ்பீக்கர்களுக்கு புதிய உயிர்! | ZK-TB21 2.1 Channel Guide 🔊

Do you have old home theater speakers that are useless? Don't throw them away! You can use them again with crystal clear sound with this small ZK-TB21 Class D Amplifier. With my 25 years of electronics experience, I have explained in detail how to properly connect this small amplifier and set up a 2.1 channel (Subwoofer + Surround Speakers) in this 9-minute video. What you will see in this video: ✅ Class D 2.1 Channel Board Introduction. ✅ Volume, Bass, Treble and Subwoofer Controls Explained. ✅ DC Power Supply (12V-24V) and Wiring Methods. ✅ Safety Precautions. ⚠️ Disclaimer: This video is for educational and informational purposes only. It is important to follow proper safety precautions when handling electrical equipment. This page is not responsible for any damage caused by improper handling. Disclaimer: This video is for educational purposes only. Follow proper safety precautions when handling electrical equipment. This page is not liable for any damages resulting from improper handling. Safety First! 🛠️⚡ Follow us: Facebook:   / janakan.s   YouTube: @WonderTechTamil #WonderTechTamil #classdamplifier #ElectronicsTamil#tamil #repairing #DIYHomeTheater #tamiltech