Based our analysis and observation, there is 57.00% chance that the price of AS21 TPA3255 Bluetooth 5.2 2.1 Channel Subwoofer... will increase. Price of product might fluctuate around 3% from current price.*
Price History Graph
Offer PricePrices
Lowest: -
Average: -
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Price History Information
You can check the price history of AS21 TPA3255 Bluetooth 5.2 2.1 Channel Subwoofer Power Amplifier Board 300WX2+600W REBLE Bass Note Tuning AMP DC19V-50V here. This product's current Price in India is ₹9,078. The average and highest prices are ₹10,341 and ₹13,557 respectively.
Lowest Ever Price
₹7,707
26th Mar 2026
Average Price
₹10,324
Based on 119 days price tracking
Highest Price
₹13,557
16th May 2026
Current Price in India
Price
₹9,078
MRP
₹18,830
Savings
₹9,752
Discount
51.78%
Recent Price Drops on AS21 TPA3255 Bluetooth 5.2 2.1 Channel Subwoofer Power Amplifier Board 300WX2+600W REBLE Bass Note Tuning AMP DC19V-50V
Price Drop7th Jul 2026
₹10,593→₹9,078
14.3% drop
Price Drop2nd Jun 2026
₹12,829→₹11,012
14.16% drop
Price Drop25th May 2026
₹13,557→₹12,829
5.37% drop
Price Drop8th May 2026
₹10,959→₹9,762
10.92% drop
Product Information
Details
Product Name
AS21 TPA3255 Bluetooth 5.2 2.1 Channel Subwoofer Power Amplifier Board 300WX2+600W REBLE Bass Note Tuning AMP DC19V-50V
Store Product Code
B0DZ9KH6ZD
Store Name
amazon.in
Brand
HIFIDIY LIVE
Rating
8 / 10
Category
Amplifiers
Product Manufacturer
Qingdao Xinyiyunlian Electronic Technology Co.LTD
Model Number
ST21PRO
Country of Origin
China
Features
Note: The volume control adopts press pause/play, and 360 degree infinite adjustment volume. Supports 3 audio input modes: AUX input, Bluetooth input,U disk playback (APP connects to Bluetooth control).
1.Bluetooth name: Turn on your phone's Bluetooth and search for "XinYi" --> Connect "XinYi". 2.APP Download Mobile App market or App store Search"Sinilink" . 3.APP Usage: 1. Turn on the Bluetooth of the mobile phone and turn on the location positioning; 2. Enter the APP operation interface --> Click the yellow dot --> Click Bluetooth device --> Search Bluetooth --> Connect "Sinilink-APP"
Treble and Bass Controls If you are tired of the inherent treble and bass, why not try the treble and bass control knobs No matter what, you can always create the sound you like.
How many input modes If you are inserting USB or AUX while playing music in Bluetooth mode, the power amplifier board will automatically switch to AUX or USB.Memory mechanism: if you used Bluetooth mode last time, this time before the power on of the power amplifier board, whether you plug in AUX or USB, the power on of the power amplifier board is still in Bluetooth mode. If you used AUX mode or USB mode last time, the power amplifier board will be in AUX or USB mode this time.
Additional FeaturesIn order to explore the maximum potential of this power amplifier board, we have developed an APP for this power amplifier board. You can adjust the sound effect of the power amplifier board through the APP, set the Bluetooth name and password of the power amplifier board, and even set whether a prompt sound is required, etc.
1.Bluetooth version: 5.2 (without sunscreen, 15 meters) 2.Output channel: 2.1 channel 3.Chip model: TPA3255*2 1.Working mode: class D 2.Static current: 60mA 3.Work efficiency: 90% 4.Audio input: support bluetooth, AUX analog signal, U disk / USB sound card 5.MAX output power : 300W*2+600W 6.Frequency response: 20Hz to 20KHz 7.Working voltage: DC19V - 51V 8.Recommended power voltage: DC42V 9.Fit speaker parameters: 4-8 ohms 10.Size: 124mm * 124mm * 44mm 11.Net weight: about 493g
Images
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Rating and Reviews
8Based on 20 reviews
AS21 TPA3255 Bluetooth 5.2 2.1 Channel Subwoofer has 8 rating out of 10. This average rating is consist of 20 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.