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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

87.0%
Global percentile
vs. all 1,329,830 ranked products
86.3%
In-cohort percentile
Electronics & Phones · 84,597 products
56.4%
AI-adjusted percentile
8 calibrated reviewers
View on Amazon
$29.99on Amazon · as of 2 Sept 2026
Rankquant analysed 8 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 · 84,597 products
Calibrated reviewers
8
Method
How percentiles are computed

Same category · Electronics & Phones

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