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ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W x2 Stereo Class D Home Audio Amp with 600W Subwoofer Output, 2 x TPA3255 Chip, AUX USB Input and Wired Knob Control for DIY Speakers
Powerful 2.1 Channel Output – Provides 300W+300W stereo channels and 600W subwoofer channel, delivering strong bass and clear treble, ideal for DIY speaker systems and home theater setups.
ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W x2 Stereo Class D Home Audio Amp with 600W Subwoofer Output, 2 x TPA3255 Chip, AUX USB Input and Wired Knob Control for DIY Speakers
Item #: 177675577

ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W x2 Stereo Class D Home Audio Amp with 600W Subwoofer Output, 2 x TPA3255 Chip, AUX USB Input and

Item #: 177675577

CHF 102

Price Details

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*All items will import from US

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Powerful 2.1 Channel Output – Provides 300W+300W stereo channels and 600W subwoofer channel, delivering strong bass and clear treble, ideal for DIY speaker systems and home theater setups.
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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
Delivers an impressive 300W for each channel, plus a robust 600W for subwoofers, ensuring high-quality audio performance for immersive listening experiences.
Bluetooth Connectivity
Equipped with advanced Bluetooth technology, allowing for convenient wireless streaming from devices, enhancing user experience with easy setup and integration.
Class D Efficiency
Utilizes Class D amplification technology, providing superior energy efficiency, reduced heat, and a compact design without compromising sound quality.

Product Details

Shop ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W x2 Stereo Class D Home Audio Amp with 600W Subwoofer Output, 2 x TPA3255 Chip, AUX USB Input and Wired Knob Control for DIY Speakers online at a best price in Liechtenstein. B0FKT7KK5H
Voltage50 Volts
Maximum Supply Voltage50 Volts
Minimum Supply Voltage18 Volts
Mounting TypeThrough-Hole Mount
Number of Channels3
Output Power300 Watts
Package Type NameBoard Mount
Supply Current36 Amps
Maximum Output Power600
Material TypePCB, Aluminum, Electronic Components
ManufacturerBeffkkip
ModelAMP-AS21PYX
Brand NameBeffkkip
UPC764269215673
Part NumberZK-AS21P
Included ComponentsZK-AS21P Amplifier Board, Wired Knob Cables
Country of OriginThis item will be imported from US
Item Weight2 lbs (910 grams)
Date First AvailableAugust 15, 2025

Who Should Buy?

Suitable For
  • Home Audio Enthusiasts

    Ideal for users seeking high-quality audio for home theater setups, delivering powerful sound with subwoofers and speakers.

  • DIY Audio Projects

    Perfect for hobbyists wishing to build custom audio systems, thanks to its modular design and wiring options.

  • Portable Systems

    Great for users needing Bluetooth functionality for portable speakers, allowing flexible connectivity with various devices.

Not Suitable For
  • Casual Listeners

    Not suitable for those who only listen to music occasionally and prefer simple plug-and-play solutions.

Product Description

ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W x2 Stereo Class D Home Audio Amp with 600W Subwoofer Output, 2 x TPA3255 Chip, AUX USB Input and Wired Knob Control for DIY Speakers

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Customer Questions & Answers

  • Question: How to Shop ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W Online From Ubuy?

    Answer: It’s easy to shop ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
  • Question: Is ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W Available to Shop Online in Liechtenstein?

    Answer: Yes, at Ubuy Liechtenstein this product is available for you to shop at a reasonable price. The ZK-AS21P 2.1 Channel Bluetooth Amplifier Board, 300W is not available locally but you can trust us with our express shipping services.
  • Question: How Long Does It Take to Get Product After Placing the Order?

    Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

Beffkkip Amplifiers Editorial Review

The ZK-AS21P 2.1 Channel Bluetooth Digital Amplifier Board has garnered positive feedback from customers who have tested its capabilities in various audio setups. Users appreciate its clean sound output and the impressive performance of the TPA3255 chip, which delivers robust audio even at higher volumes. The amplifier's ability to handle both stereo speakers and a subwoofer has been noted favorably, with many reviewers commenting on the strong bass response and clarity in the high frequencies. Setup and installation are reportedly straightforward, allowing users to easily integrate the board into their existing systems or DIY audio projects. The Bluetooth functionality also earns praise, with customers highlighting its reliability and stability, even at Considerable distances from the source device. Moreover, the board operates efficiently, staying only slightly warm even after extended use, which reflects positively on its thermal management. Overall, the ZK-AS21P amplifier board stands out for its performance and audio quality, making it a valuable choice for users looking to enhance their audio experiences without delving into overly complicated or expensive setups. **

Customer Reviews & Ratings

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Pros

  • Clean sound output, even at high volumes
  • Strong bass response from the sub channel
  • Easy setup with simple wiring
  • Stable Bluetooth connectivity with good range
  • Efficient thermal management, staying cool during operation
  • Great value for sound quality

Product Price History

Important information

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