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ZK-HT21 Bluetooth 5.1 Amplifier Board, 2.1 Channel 160W×2+220W Subwoofer Audio Power Amp Module with Treble Bass Control, AUX Input Mini HiFi Stereo Amp for Home DIY Speaker & Car Audio Upgrade

82.4%
Global percentile
vs. all 1,403,756 ranked products
83.0%
In-cohort percentile
Electronics & Phones · 93,784 products
41.0%
AI-adjusted percentile
8 calibrated reviewers
View on Amazon
$31.99on Amazon · as of 12 Sept 2026
Rankquant analysed 9 reviews for this product, 8 of them from calibrated reviewers.

Product categories

Electronics & PhonesElectronics
ZK-HT21 Bluetooth 5.1 Amplifier Board, 2.1 Channel 160W×2+220W Subwoofer Audio Power Amp Module with Treble Bass Control, AUX Input Mini HiFi Stereo Amp for Home DIY Speaker & Car Audio Upgrade

Is ZK-HT21 Bluetooth 5.1 Amplifier Board, 2.1 Channel 160W×2+220W actually any good?

Cohort
Electronics & Phones · 93,784 products
Calibrated reviewers
8
Method
How percentiles are computed

Same category · Electronics & Phones

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