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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)
90% of respondents would recommend this to a friend
Item #:
220548095
AUD 155
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Only 12 items left in stock.
Order now and get it around Tuesday, September 08
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Elevate your sound experience with the ZK-AS21P 2.1 Channel Power Amplifier Board, delivering an astonishing 300W+300W+600W output and versatile connectivity options.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). 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
| Voltage | 50 volts_of_direct_current |
| Maximum Supply Voltage | 50 volts_of_direct_current |
| Minimum Supply Voltage | 18 volts_of_direct_current |
| Mounting Type | Surface Mount |
| Number of Channels | 3 |
| Output Power | 1200 watts |
| Supply Current | 12 A |
| Maximum Output Power | 600 watts |
| Item Dimensions | 9.06 x 5.91 x 2.56 inches (23 x 15 x 6.5 cm) |
| Material Type | PCB |
| Specification Met | RoHS |
| Manufacturer | Wuzhi Audio |
| Model | ZK-AS21P-W |
| Brand Name | Wuzhi Audio |
| Number of Items | 1 |
| Unit Count | 1 Count |
| UPC | 194852391642 |
| Number of Packs | 1 |
| Included Components | Amplifier |
| Part Number | ZK-AS21P-W |
| Item dimensions L x W x H | 9.06 x 5.91 x 2.56 inches (23 x 15 x 6.5 cm) |
| Country of Origin | This item will be imported from US |
What's in the box
Amplifier
Who Should Buy?
-
Car Audio Enthusiasts
Perfect for those seeking to enhance their vehicle audio system with powerful sound amplification.
-
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.
Product Description
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Customer Questions & Answers
-
Question:
What is the output power of the ZK-AS21P Bluetooth Amplifier Board?
Answer: The ZK-AS21P Bluetooth Amplifier Board is capable of delivering a powerful output of 300W-600W. This makes it suitable for robust audio applications, whether you're installing it in a vehicle or using it for outdoor sound systems. The significant power output ensures that you can achieve loud and clear audio, perfect for music lovers who require quality sound at higher volumes. -
Question:
What is the voltage input range for the ZK-AS21P?
Answer: This amplifier board operates within a wide voltage input range of 18-50V DC. This feature provides versatility, allowing it to function efficiently in various setups, from cars to other audio systems. Users can easily integrate this amplifier into different environments, making it an excellent choice for both DIY projects and professional sound installations. -
Question:
Can I connect my Bluetooth devices to the ZK-AS21P?
Answer: Yes, the ZK-AS21P features Bluetooth connectivity, enabling seamless pairing with your smartphones, tablets, and other Bluetooth-enabled devices. This allows you to stream music wirelessly without the hassle of tangled wires, enhancing the convenience of your audio experience while on the go or during gatherings. -
Question:
Does the ZK-AS21P have an external potentiator?
Answer: Absolutely! The ZK-AS21P includes an external potentiator, allowing you to easily control the volume adjustment. This feature is particularly beneficial in vehicle applications where you need swift and accessible sound adjustments while driving, enhancing both safety and user experience. -
Question:
Is the ZK-AS21P suitable for outdoor use?
Answer: Yes, the ZK-AS21P is designed for versatility, making it suitable for outdoor use. With its high power output and Bluetooth capability, it can easily amplify your favorite music in outdoor settings like parties, picnics, or camping. Just connect it to a suitable power source and enjoy enhanced sound quality in all environments. -
Question:
What types of speakers can I connect to the ZK-AS21P?
Answer: You can connect a variety of speakers to the ZK-AS21P, including passive speakers that match the amplifier's power specifications. For the best audio experience, choose speakers that can handle the output range, allowing you to achieve superior sound quality without distortion, whether for home systems or mobile setups. -
Question:
How compact is the ZK-AS21P Bluetooth Amplifier Board?
Answer: The ZK-AS21P is designed with a compact form factor, making it easy to install in tight spaces, such as under the dashboard of a vehicle or within custom audio enclosures. Its small size does not compromise performance, ensuring that you can enjoy high-quality sound without the bulk of larger amplifiers. -
Question:
Can I customize the sound settings with the ZK-AS21P?
Answer: Yes, the ZK-AS21P allows for customization of sound settings through its user-friendly interface, including the external potentiator. Users have the flexibility to fine-tune volume levels according to personal preference and specific audio environments, making it perfect for tailored sound experiences in any setting. -
Question:
Where can I buy the ZK-AS21P Bluetooth Amplifier Board in Australia?
Answer: You can purchase the ZK-AS21P Bluetooth Amplifier Board from Ubuy in Australia. Ubuy offers a wide selection of electronics, including quality amplifier boards, and provides a simple and secure shopping platform for your needs.
Wuzhi Audio Amplifiers Editorial Review
ZK-AS21P Bluetooth Amplifier Board 300W+300W+600W Output, 18-50V DC Wide Voltage Input, Vehicle Amplifier (External Potentiator) delivers outstanding audio quality with an impressive total output power of 1200 watts. Designed for versatility, it operates efficiently within a voltage range of 18 to 50 volts DC, making it suitable for various applications. Users appreciate the surface mount design which simplifies installation, and the compact dimensions provide flexibility in mounting. Furthermore, it's compliant with RoHS standards, ensuring safer environmental impact. This amplifier is perfect for enhancing vehicle audio systems with robust performance.
Customer Reviews & Ratings
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Pros
- Impressive total output power of 1200 watts
- Wide voltage input range of 18 to 50 volts
- Surface mount design for easy installation
- Compact size for flexible mounting options
- RoHS compliant for environmental safety
Cons
- May require additional setup for optimal use
Platform Trust & Buyer Confidence
CJ
Chris
Verified buyer
“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
SM
Scott
Verified buyer
“It was the best service ever received by any company from my online shopping experience in the last 10yrs”
11 July 2026 · via Trustpilot
TD
Terri
Verified buyer
“so easy to order delivery was way earlier than i expected”
3 July 2026 · via Trustpilot
GC
Gavin
Verified buyer
“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
21-Jul-26 · via Trustpilot
J
Jeannie
Verified buyer
“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
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Top selling Bluetooth Amplifier in Australia
Last Updated on August 29, 2026
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AUD 155
Order now and get it around Tuesday, September 08
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:
Only 12 items left in stock.
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Features & Benefits
- High output: 300W per channel and 600W subwoofer for powerful sound.
- Supports various inputs: Bluetooth, AUX, USB for easy device connectivity.
- DIY-friendly: Multiple extension interfaces for customizing your audio system.
- HIFI-grade audio quality: Low distortion and enhanced sound from dual TPA3255 chips.
- Advanced protection: Safeguards against overheating and short circuits for reliability.
- User-friendly controls: Treble/bass adjustment and subwoofer volume control for tailored audio.
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