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Item #:
220548095
ZK-AS21P Bluetooth Amplifier Board 300W+300W+600W Output, 18-50V DC Wide Voltage Input, Vehicle Amplifier (External Potentiator)
87% of respondents would recommend this to a friend
Item #:
220548095
USD 95
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from UK
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In stock
Imported from UK store
QTY:
Order now and get it around Monday, August 24
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Effortlessly drive high-power speakers and subwoofers with our massive 300W+300W+600W output and versatile audio inputs.
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Note: Step Up Voltage Transformer required for using electronics products of UK store (230 V). Recommended power converters Buy Now.
What Stands Out
Powerful Output
With 300W+300W+600W output, this amplifier board delivers high-quality sound performance, ensuring a powerful listening experience for vehicle users compared to standard models.
Wide Voltage Input
The 18-50V DC wide voltage input allows flexibility in installation, making it suitable for various vehicle types while minimizing compatibility issues with different power sources.
External Potentiator
The inclusion of an external potentiator enables precise volume control, allowing users to customize their audio experience effortlessly, enhancing user convenience and satisfaction.
Product Details
| Item Weight | 2.5 lbs (1.13 kg) |
Who Should Buy?
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Car Audio Enthusiasts
Perfect for those seeking to enhance their vehicle audio system with powerful sound amplification.
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DIY Audio Projects
Ideal for hobbyists building custom sound systems who need a flexible and efficient amplifier.
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Mobile DJs
Great for mobile DJs looking for a compact amplifier that delivers ample power for events on the go.
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Casual Listeners
Not suitable for users who only occasionally listen to music and need minimal amplification.
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Home Audio Use
This amplifier is designed for vehicles, making it less ideal for standard home audio setups.
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High-End Audiophiles
May not satisfy audiophiles seeking top-tier sound quality and extensive tuning capabilities.
Product Description
ZK-AS21P Bluetooth Amplifier Board 300W+300W+600W Output, 18-50V DC Wide Voltage Input, Vehicle Amplifier (External Potentiator)
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Customer Questions & Answers
-
Question:
What power supply is required for the amplifier?
Answer: An 18-50V DC/10A+ power supply is required for optimal performance. -
Question:
Can I connect my smartphone via Bluetooth?
Answer: Yes, it supports Bluetooth 5.1 for fast and lossless audio transmission. -
Question:
Does the amplifier have protection features?
Answer: Yes, it includes over/under-voltage, overheating, and short-circuit protection.
Wuzhi Audio Amplifiers Editorial Review
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MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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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.
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USD 95
Order now and get it around Monday, August 24
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:
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Fastest cross-border delivery
Features & Benefits
- High-performance 300W+300W+600W amplifier board for driving various speakers.
- Supports multiple audio inputs: Bluetooth, 3.5mm AUX, USB sound card, and USB flash drives.
- 2.1-channel design for connecting two passive speakers and a subwoofer.
- Treble/bass adjustment and independent subwoofer volume control for optimized audio.
- Ultra-low distortion and crystal-clear HD audio through dual TPA3255 amplifier chips.
- Built-in protection against over/under-voltage, overheating, and short circuits.
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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.