- Home Page /
- Electronics & Photo /
- Hi-Fi & Home Audio /
- Receivers & Separates /
- Amplifiers /
- ZK-ST21 2.1Channel 100Wx2+200W Channel Blueto...
0 ratings
Item #:
176415928
ZK-ST21 2.1Channel 100Wx2+200W Channel Bluetooth Amplifier Board with Subwoofer,TPA3221 Chip
Item #:
176415928
INR 7001
Price Details
Price
INR 7001
M.R.P. INR 7001
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from UK
0 ratings
Write a review
In stock
Imported from UK store
QTY:
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Experience immersive sound with the ZK-ST21 amplifier board, delivering high-fidelity audio performance powered by dual TPA3221 chips.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Ships from Ubuy, Sold by:
UBNA Distribution LLC
What Stands Out
Powerful Output
With a total output of 400W, the ZK-ST21 delivers exceptional sound quality and volume, perfect for audiophiles seeking rich and immersive audio experiences.
Subwoofer Support
Designed with dedicated subwoofer output, this amplifier significantly enhances bass response, making it ideal for music lovers and home theater setups wanting deep, resonant sound.
Bluetooth Connectivity
Equipped with Bluetooth capability, the ZK-ST21 allows for hassle-free wireless connections, ensuring versatile use with various devices and streamlining user experience.
Product Details
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
-
Home Audio Enthusiasts
Perfect for users wanting a powerful audio setup without compromising space or sound quality in their homes.
-
DIY Audio Projects
Ideal for hobbyists building custom audio systems, providing high-quality performance and easy integration with various components.
-
Compact Spaces
Great for users with limited space, offering a high output in a small form factor suitable for various setups.
-
Professional Settings
Not ideal for professional audio applications where extremely high fidelity and performance are required in larger setups.
-
Extreme Volume Users
Users needing to play audio at very high volumes might find limitations in this amplifier's overall power capacity.
-
Budget-Conscious Buyers
While affordable, those seeking the absolute lowest cost for audio solutions may find other options more budget-friendly.
Product Description
ZK-ST21 2.1Channel 100Wx2+200W Channel Bluetooth Amplifier Board with Subwoofer,TPA3221 Chip
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What types of speakers can the ZK-ST21 drive?
Answer: It can drive most small to medium-sized speakers, as long as they meet the impedance requirements. -
Question:
Can I use my phone to connect to the ZK-ST21 amplifier board?
Answer: Yes, the amplifier board supports Bluetooth, allowing easy connection with mobile phones. -
Question:
What is the input voltage range for this amplifier?
Answer: The ZK-ST21 supports a wide voltage input range of 12-30V DC.
Wuzhi Audio Amplifiers Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
0%
-
4 Star
100%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
PK
Purchase
Verified buyer
“logistcs is very good”
13 June 2026 · via Trustpilot
AN
Akhil
Verified buyer
“Very good and seamless experience, delivery package came in very good condition”
12 June 2026 · via Trustpilot
DK
Dr Kumarasway
Verified buyer
“Heavy import cost and DHL's high delivery fees.”
9 June 2026 · via Trustpilot
JM
J Mama
Verified buyer
“Interesting book and the seller describe it thank you”
8 June 2026 · via Trustpilot
PC
Paritosh
Verified buyer
“Excellent quality and a perfect fit. Description and measurements provided are to the point. Keep them coming more 🤟🏻”
8 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
INR 7001
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Delivers powerful output: 100W+100W+200W for immersive audio.
- Supports versatile connectivity: Bluetooth, AUX, USB for seamless device connections.
- Features easy adjustments with dedicated bass and treble knobs for customized sound.
- Engineered for safety with built-in protections against short circuits and overheat.
- Upgraded DC socket design ensures safer power connections without sparks.
- Reliable customer support available 24/7 for any questions or issues.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.