In this video I show you how to set your gains on a 4-channel amplifier using an Oscilloscope. I go through all the possible configurations and show you how to tune the amp for mids and highs in addition to setting subwoofer gains with an oscilloscope. 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 Oscilloscope: https://amzn.to/3tulKGD Amplifier (newer Version): https://amzn.to/3teHdTC Cheap Head Unit (Newer Version): https://amzn.to/3vkQfjO Amp Wire Kit: https://bit.ly/3qR45XW 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/ Kicker test tones: https://www.kicker.com/test-tones Chapters: 0:00 Introduction 0:45 Setting up the Head Unit 2:30 Setting the gains for 4-channel mode 3:00 Calculating Amplifier Power in 4-channel mode 4:00 Setting the gains in bridged mode for a subwoofer. *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 or Sonic Electronix.