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ZK-MT21 Bluetooth Audio Amplifier Board, 50W+50W+100W 2.1 Channel Subwoofer Amp with Treble Bass Sub Control…

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Updated Oct 21, 2026

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8 videos, 5 products

Usual openingStatement5 of 7 videos

Hook length4.2 sTypical

Asks to buy at0:157 of 7 videos

Video length0:49Typical

0:559.5M views

Statement4.2 s hook

“Garage owners, your old wired speakers aren't dead, they're just hungry for power.”

Script breakdown4 parts

0:00HookGarage owners, your old wired speakers aren't dead, they're just hungry for power.
0:05DemoA K45 delivers up to 300 Watts with Bluetooth, U S B S D F M, and remote. Revive your speakers without buying a whole new system. Give them the…
0:15Call to actionTap the shopping cart today.
0:25Demoa bag of clothes and a kiss goodbye and she walks in to the door thick and teardrop on her feet they've been through this before he turned around…

Woopker MediaMay 5

Woopker AK45 / AK45 Pro Bluetooth Stereo Amplifier, HiFi…

1:032.1M views

Question3.7 s hook

“What do you think, brother? It can be used with a cart sound.”

Script breakdown6 parts

0:00HookWhat do you think, brother? It can be used with a cart sound.
0:04DemoCheck out my race, just look, check out the fucking amplifier. There it is. There is no trick, no flaw. Just look, we installed two fucking doses.…
0:19Call to actionYou can put four old voice horns that I have lying around in my throat, like these that you told me, and two basses, and check it out. And here you…
0:29DemoIf you want me to break the fucking windows,
0:32Call to actionjust check it out.
0:33DemoLook, do not look at him so is that my competition there is no no doubt, fucking war amplifier that fits in the palm of my hand. With this one you…

Victor MelendezSep 12

2.1 Channel Power Amplifier Board, Bluetooth-Compatible…

0:4263k views

Statement5.5 s hook

“This is my speaker. Built it myself. Highs, lows, the sub, all independently adjustable.”

Script breakdown3 parts

0:01HookThis is my speaker. Built it myself. Highs, lows, the sub, all independently adjustable.
0:07DemoYou decide exactly how it sounds. But the thing that makes it all happen is this little board right here.
0:40Call to actionLinks down below. Grab one and build your own this weekend.

NoteNebulaMay 29

HT21 Upgraded 2.1 Channel Stereo Audio Amplifier Board…

0:4954k views

Statement3.5 s hook

“You want to build your turtle box and you already ordered the stuff from my other videos.”

Script breakdown8 parts

0:00HookYou want to build your turtle box and you already ordered the stuff from my other videos.
0:04DemoI got one suggestion that you should probably change and that's the amp. Somebody turn me on to the ZK1O2T amp. Now this one doesn't have a…
0:17Call to actionI'm gonna link this one right there on the screen.
0:19DemoAlso with all this other stuff, the pile, speakers, the battery that's lower voltage cut off. This amp is better cause it's gonna give you a little…
0:31Call to actionI didn't know this existed and somebody sent me the link.
0:33DemoI ordered one and they were right, this amp is better. But I have this one linked now.
0:38Call to actionThere's a bunch of different options in the link, so make sure you get the Z K1002T. That's the amp. It's gonna kick all the other ones.
0:46DemoBut sorry about the misinformation I gave you guys.

NateJun 20

ZK-MT21 Bluetooth Amplifier Board 50W+50W+100W 2.1 Channel…

0:5939k views

Statement11.8 s hook

“So this thing is really cool. It's pretty small, so you got a frequency for your sub, a volume for your sub, and then your right and left channels, treble and bass, and then your main volume.”

Script breakdown3 parts

0:00HookSo this thing is really cool. It's pretty small, so you got a frequency for your sub, a volume for your sub, and then your right and left channels,…
0:12DemoSo the neat thing about this is you can set it up in a series where you can adjust your amp or whatever volume you've got going somewhere to…
0:58Call to actionClick on the link, you're gonna love it.

AmandaJul 17

ZK-MT21 2.1 Channel Digital Power Amplifier Module, Stereo…

0:402.3k views

Question1.9 s hook

“Found an old speaker hiding in the corner?”

Script breakdown3 parts

0:00HookFound an old speaker hiding in the corner?
0:02DemoDon't leave it there. Connect it to the AK forty five Pro and bring it back to life with up to 400W x 2 max power, Bluetooth 5.0 and dual mic…
0:14Call to actionTap the cart and get yours today. A Vivir LA.

Woopker MediaOct 20

Woopker AK45 / AK45 Pro Bluetooth Stereo Amplifier, HiFi…

0:391.8k views

Statement4.7 s hook

“Those 80s wired speakers in your garage gathering dust because your phone can't connect to them.”

Script breakdown3 parts

0:00HookThose 80s wired speakers in your garage gathering dust because your phone can't connect to them.
0:05DemoThey may not be useless yet. AK forty five pro ads, Bluetooth 5, USB SD RCA works with two 400 watt speakers.
0:12Call to actionTap the cart today to revive them.

Woopker MediaOct 20

Woopker AK45 / AK45 Pro Bluetooth Stereo Amplifier, HiFi…

0:391.5k views

Music or karaoke? Why choose one! 🎶 Connect two microphones, stream music with Bluetooth, and enjoy more…

Woopker MediaOct 20

Woopker AK45 / AK45 Pro Bluetooth Stereo Amplifier, HiFi…

Hooks that opened them

“Garage owners, your old wired speakers aren't dead, they're just hungry for power.”Statement4.2 sWatch9.5M views
“What do you think, brother? It can be used with a cart sound.”Question3.7 sWatch2.1M views
“This is my speaker. Built it myself. Highs, lows, the sub, all independently adjustable.”Statement5.5 sWatch63k views
“You want to build your turtle box and you already ordered the stuff from my other videos.”Statement3.5 sWatch54k views
“So this thing is really cool. It's pretty small, so you got a frequency for your sub, a volume for your sub, and then your right and left channels, treble and bass, and then your main volume.”Statement11.8 sWatch39k views
“Found an old speaker hiding in the corner?”Question1.9 sWatch2.3k views
“Those 80s wired speakers in your garage gathering dust because your phone can't connect to them.”Statement4.7 sWatch1.8k views