#diy #boombox #ampdyno Two Mini Amps Tested and Reviewed - ZK-MT21 $15 and ZK-HT21 $35 from Amazon SHOP ZK-MT21 2.1 Amp "50x2 Plus 100W" - https://amzn.to/45SeVEJ ZK-HT21 2.1 Amp "160x2 Plus 220W" - https://amzn.to/3JSgYju ZK-1001u on Amazon: https://amzn.to/4mXYwUS ZK-1002t on Amazon: https://amzn.to/419LhrN Sound Activated LED Spectrum Display: https://amzn.to/4mIYnEC Waterproof Cases for DIY boombox: https://amzn.to/45oopHx Elac Unifi Bookshelf Speakers: https://amzn.to/41gXon2 CHAPTERS 0:00 Intro 1:00 Unboxing ZK-MT21 1:24 Specs and Features MT21 2:24 Sound Demo MT21 3:38 Amp Dyno Tests MT21 5:46 Unboxing ZK-HT21 7:10 Specs and Features HT21 9:27 Sound Demo HT21 11:10 Amp Dyno Tests HT21 13:00 PROS and CONS 13:55 EXTRAS VIDEO LINKS Toolbox Boombox Subwoofer: https://youtu.be/WKYce_NuiSM ZK-1002t Stereo Mini Amp: https://youtu.be/JStGprfoOqY ZK-1001u Mono Mini Amp: https://youtu.be/G8nYbd8H194 Chinese Mini Amp Playlist 1: https://www.youtube.com/playlist?list=PLC9341FA0AF3BD899 Chinese Mini Amp Playlist 2: https://www.youtube.com/playlist?list=PLu98-M_EowHNWvzhB2lT0ZqOjCBFTJVuu Toolbox Boombox Playlist: https://www.youtube.com/playlist?list=PL07AD0DE91419CEAA Built Not Bought YouTube Channel: @Builtnotboughtboomboxes https://builtnotboughtboomboxes.com Facebook Group: https://www.facebook.com/groups/1037308295061886 SHOP Affiliates: Down4Sound - http://Shop4Bass.com SAVARD Speakers: http://www.Shop4Boom.com (use WAL7 for 7% off) WCCarAudio - https://is.gd/wccwal Amazon - https://amzn.to/3wNX6Fn Crutchfield - https://howl.me/cjZI33auToW Get your WAL/OSS Merch: https://bigdwiz.creator-spring.com/ Buy Me a Coffee/Tea/Slap-a-D-No : https://www.oldschoolstereo.com/p/donate.html ➡️ Support OSS / Williston Audio Labs for early access to videos: http://www.patreon.com/OldSchoolStereo One Time "Tip" for Video Support: https://paypal.me/BigDWiz VIDEO AND AUDIO GEAR Camera - iPhone 16pro 1TB - https://amzn.to/3Vh350B RODE Wireless Go II Microphones: https://amzn.to/3Q6NVHl Shure MV7 Microphone: https://amzn.to/3A4OICK Zoom H4n Audio Recorder: https://amzn.to/3BXjVsS 960 LED Panel: https://amzn.to/2Sxoq3S TEST BENCH EQUIPMENT SMD / D'Amore Engineering Amp Dyno (AD-1): https://is.gd/wccad1 XS Power D1400 Batteries - https://amzn.to/2BPFCKW XS Power PSC60 Charger - https://amzn.to/2CHGcfs Fluke 1000A AC/DC Clamp Meter: https://amzn.to/2Rw5WDA Handheld Dyno AMM-1: https://is.gd/wccamm1 My Favorite Precision Screwdriver Kit: https://amzn.to/3yAaPmn DISCLAIMER: This video and description contains affiliate links, which means that if you purchase from one of the product links, I may receive a small commission. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, I may be compensated if you make a purchase

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