In this video I explain why you never want to use Peak or Max power when purchasing and setting up an amplifier. Instead you want to always use RMS power. In this video I explain that RMS stands for root mean square and show you why that is the best way to measure amplifier power. If you found this video helpful then you can support the channel on Patreon for as little as $3 a month: https://www.patreon.com/DIYAudioGuy Or you can help out with a one time tip of $5 or $10: https://paypal.me/diyaudioguy Affiliate* links to products used in the video https://amzn.to/3rSSLve If you need a coupon code to use at Parts Express you can find one at my blog: https://www.diysubwoofer.net/ Connect with me on social media: Facebook: https://www.facebook.com/DIY-Audio-Guy-111428060245602/ Instagram: https://www.instagram.com/diyaudioguy/ Twitter: https://twitter.com/DIYAudioGuy1 Podcast: https://www.soundadviceshow.com/ Chapters: 0:00 Introduction 0:15 RMS Defined 0:20 AC Voltage on an Oscilloscope 0:50 Peak Voltage 1:40 Why Peak is Stupid 2:18 Negative Voltage 3:20 RMS 4:12 Calculating RMS volts 6:20 Convert from Volts to Watts *As an amazon associate marketer I may earn a small commission on qualified purchases. As an affiliate marketer I may earn a small commission when you make a purchase at parts express.