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Bluetooth audio amplifier board, zk-tb21 2.1ch 50w x 2 +100w subwoofer power amp with treble and bass control, bluetooth5.0 and aux inputs, stereo digital amp for diy home speakers

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Bluetooth Audio Amplifier Board, ZK-TB21 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control, Bluetooth5.0 and AUX Inputs, Stereo Digital AMP for DIY Home Speakers image 1Bluetooth Audio Amplifier Board, ZK-TB21 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control, Bluetooth5.0 and AUX Inputs, Stereo Digital AMP for DIY Home Speakers image 2Bluetooth Audio Amplifier Board, ZK-TB21 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control, Bluetooth5.0 and AUX Inputs, Stereo Digital AMP for DIY Home Speakers image 3Bluetooth Audio Amplifier Board, ZK-TB21 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control, Bluetooth5.0 and AUX Inputs, Stereo Digital AMP for DIY Home Speakers image 4Bluetooth Audio Amplifier Board, ZK-TB21 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control, Bluetooth5.0 and AUX Inputs, Stereo Digital AMP for DIY Home Speakers image 5
₹2499
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Amazon Price History - Bluetooth audio amplifier board zk tb21 2 1 ch
From: 15 May 2025 to 6 Oct 2025

amazon.in Bluetooth Audio Amplifier Board, ZK-TB21 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control, Bluetooth5.0 and AUX Inputs, Stereo Digital AMP for DIY Home Speakers Price History Graph from 15 May 2025 to 6 Oct 2025

amazon.in Price History Table - Bluetooth Audio Amplifier Board, ZK-TB21 2.1CH ...

NoTimePriceChange
16 Oct 202524990
218 Jun 20252499
-2885
311 Jun 20255384

Product Info

FeatureValue
StoreAmazon.in
Amazon Reviews
407
Amazon Rating
4.5/5
Lowest Price Detected₹ 2499
Lowest Price Date6 oct 2025
Best Price Was Aboutjust now
Price History Available Since15 May 2025

CheapestInIndia Price Intelligence & Research Analysis Confidence : moderate

Fantastic! The current price of ₹2,499 is at its best ever level. Over the 144 day price history period, prices have ranged from ₹2,499 to ₹5,384, with an average of ₹3,566. The pricing shows high volatility with significant fluctuations, and the overall trend is favorable for consumers as prices are getting cheaper. In terms of recent activity, there have been 0 price changes this week, 0 this month, and 3 over the past year. This is an excellent time to make a purchase as prices are trending downward and conditions appear favorable.

Our analysis has moderate confidence due to price volatility, so continue monitoring trends. The next estimated price target is ₹2,211, trending lower, making this potentially a good time to wait for an even better deal.

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