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ZK-ST21 TPA3221 Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel 100W×2+200W, 12V-30V Audio Power Amplifier Module with Treble and Bass Control

₹8,406 ₹10,088 17% OFF

Updated 17th Aug 2026, 08:22 AM

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Price Benchmarks

Lowest Ever

₹8,406

2nd Aug 2026

Highest Ever

₹8,484

23rd Jul 2026

Average Price

₹8,428

7 data points

3-Month Low

₹8,406

2nd Aug 2026

6-Month Low

₹8,406

2nd Aug 2026

12-Month Low

₹8,406

2nd Aug 2026

Price History

As per price history, ZK-ST21 TPA3221 Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel 100W×2+200W, 12V-30V Audio Power Amplifier Module with Treble and Bass Control's lowest price is ₹8,406. The average price is ₹8,432. Highest ever price is ₹8,484. Along with deals, coupons & discounts, you can get it at ₹8,406. Read our Pricing Disclosure

Product Details

Product Code	B0CXX7TG5V
Market Place	amazon.in
Store	Amazon
Rating	3.9 (14 ratings)
Category	Amplifiers
Manufacturer	DAJUNGUO
Model Number	ZK-ST21
Country of Origin	China

Frequently Asked Questions

What is the lowest price ever for ZK-ST21 TPA3221 Bluetooth Power Amplifier Board with Subwoofer 21 Channel 100W2200W 12V-30V Audio Power Amplifier Module with Treble and Bass Control? ▶

The all-time lowest price for ZK-ST21 TPA3221 Bluetooth Power Amplifier Board with Subwoofer 21 Channel 100W2200W 12V-30V Audio Power Amplifier Module with Treble and Bass Control was ₹8,406 recorded on 2nd Aug 2026. The current price matches or is below the all-time low!

What was the highest price for this product? ▶

The highest recorded price for ZK-ST21 TPA3221 Bluetooth Power Amplifier Board with Subwoofer 21 Channel 100W2200W 12V-30V Audio Power Amplifier Module with Treble and Bass Control was ₹8,484 on 23rd Jul 2026. Right now you save 0.9% compared to the peak price.

What is the average selling price? ▶

Based on 7 data points, the average price of ZK-ST21 TPA3221 Bluetooth Power Amplifier Board with Subwoofer 21 Channel 100W2200W 12V-30V Audio Power Amplifier Module with Treble and Bass Control is ₹8,428. The current price is 0.3% below average — a good indicator for buying.

What is the 3-month lowest price? ▶

In the last 3 months, the lowest price was ₹8,406 on 2nd Aug 2026.

What is the 6-month lowest price? ▶

The 6-month lowest price for ZK-ST21 TPA3221 Bluetooth Power Amplifier Board with Subwoofer 21 Channel 100W2200W 12V-30V Audio Power Amplifier Module with Treble and Bass Control was ₹8,406 on 2nd Aug 2026.

Should I buy this product now? ▶

Price is high. Score: 0/100 (Grade F) — we recommend waiting. The product has been available at significantly lower prices in the past.

Where can I buy this product? ▶

ZK-ST21 TPA3221 Bluetooth Power Amplifier Board with Subwoofer 21 Channel 100W2200W 12V-30V Audio Power Amplifier Module with Treble and Bass Control is available on Amazon (amazon.in). Click the Buy Now button above to visit the product page directly. We recommend checking for available coupons and bank offers on the store page for additional savings.