What are the main features of the ZK-ST21 amplifier board?

The ZK-ST21 amplifier board features a powerful 2.1 channel output with 100W for each of the left and right channels, plus an additional 200W for the subwoofer. It utilizes the efficient TPA3221 chip which enhances audio quality. With Bluetooth, AUX, and USB input options, it provides versatility in connection. The bass and treble control allows for customized audio settings, giving you the ability to fine-tune your listening experience. This makes it an excellent choice for home theaters, gaming setups, and audio enthusiasts looking for rich sound.

How do I connect my devices to the ZK-ST21 amplifier?

Connecting devices to the ZK-ST21 amplifier is straightforward thanks to its multiple input options. You can connect via Bluetooth for wireless playback, ensuring you enjoy music without cables. Alternatively, use the AUX input for devices with a headphone jack, or plug in via USB for digital audio sources. This flexibility makes it ideal for various setups, from a music setup in your living room to a more complex home theater configuration, ensuring you can enjoy sound from multiple devices seamlessly.

What is the voltage requirement for the ZK-ST21 amplifier?

The ZK-ST21 amplifier operates within a voltage range of 12-30V. This wide input voltage allows it to be compatible with various power supplies, making it versatile for different settings such as DIY audio projects or permanent installations. Always ensure that the power supply matches the specifications to avoid any performance issues. Ideal uses include integrating it into home audio systems or powering speakers in workshops, ensuring great sound quality in diverse environments.

Can I use the ZK-ST21 amplifier for outdoor setups?

Yes, the ZK-ST21 amplifier can be used for outdoor setups, provided it is housed in a protective enclosure to shield it from environmental elements. Its powerful output makes it suitable for outdoor events such as parties or gatherings, ensuring your music reaches everyone without distortion. Additionally, the Bluetooth capability allows you to control your music from a distance, making it convenient for outdoor entertaining. Just ensure your power source matches its voltage requirement.

What type of speakers can I use with the ZK-ST21 amplifier?

The ZK-ST21 amplifier is compatible with a wide range of passive speakers. You can pair it with bookshelf speakers for a compact setup, or larger floor-standing speakers for a more robust audio environment. Additionally, the dedicated subwoofer output allows you to connect a subwoofer that complements your main speakers, enhancing the overall sound experience. This flexibility makes it suitable for different audio preferences, whether you’re setting up a stereo system or a full home theater.

How does the TPA3221 chip improve audio quality?

The TPA3221 chip is designed for high efficiency and excellent sound performance. It reduces distortion and improves dynamic range, delivering clear and balanced audio output. This means whether you're listening to music or watching movies, you'll enjoy rich sound with fine detail. The chip's efficiency also means it generates less heat, enhancing durability and reliability in various setups. This is essential for audiophiles and casual listeners alike who prioritize sound quality in their audio equipment.

Is the ZK-ST21 amplifier suitable for professional audio use?

While the ZK-ST21 amplifier is primarily designed for home audio systems, it can be adapted for light professional use depending on your needs. Its power output is suitable for presentations, small venues, or mobile DJ setups. However, for large-scale events or professional setups, consider pairing it with high-quality speakers and ensure it meets the audio requirements of the environment. This amplifier will excel in intimate settings or as part of a larger audio setup where versatility and quality are vital.

Can I customize sound settings with the ZK-ST21?

Absolutely! The ZK-ST21 amplifier features bass and treble control, allowing you to tailor your sound experience. This is particularly useful for adjusting audio to suit your preferences or to optimize sound in different environments. For example, you might boost the bass for music genres like hip-hop while increasing treble for clearer vocals in dialogue-heavy films. This customization ensures that you can achieve the sound profile that best matches your audio content or personal taste.

What are the dimensions and weight of the ZK-ST21 amplifier?

The dimensions of the ZK-ST21 amplifier make it compact enough for easy integration into various setups. While the exact measurements are typically specified in the product details, its lightweight design facilitates portability. This makes it suitable for users looking to set up a temporary audio system for events or moving it between locations. Ensure to check the specifications to assess whether it fits your intended installation space.

Where can I buy the ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Board?

You can purchase the ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Board from Ubuy. Ubuy offers a reliable shopping experience along with various products that cater to your audio needs. By visiting Ubuy, you can explore options tailored to enhance your sound system and ensure you have the best technology available for your audio enjoyment.

How to Shop ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Online From Ubuy?

It’s easy to shop ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier 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.

Is ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Available to Shop Online in Australia?

Yes, at Ubuy Australia this product is available for you to shop at a reasonable price. The ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

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.

Wuzhi Audio

ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Board with Subwoofer, TPA3221 Chip, Bass/Treble Control, Bluetooth/AUX/USB Input, 12-30V Wide Voltage Vehicle Amplifier

Experience immersive sound with the ZK-ST21 amplifier board, delivering high-fidelity audio performance powered by dual TPA3221 chips.

Wuzhi Audio

Item #: 146048868

ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Board with Subwoofer, TPA3221 Chip, Bass/Treble Control, Bluetooth/AUX/USB Input, 12-30V Wide

86% of respondents would recommend this to a friend

Item #: 146048868

AUD 81

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Experience immersive sound with the ZK-ST21 amplifier board, delivering high-fidelity audio performance powered by dual TPA3221 chips.

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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 Performance

With 100Wx2 and 200W output, the ZK-ST21 amplifier delivers robust audio performance that enhances your listening experience, making it ideal for both casual users and audiophiles.

Multiple Inputs

Featuring Bluetooth, AUX, and USB inputs, this amplifier allows seamless connectivity to various devices, ensuring versatility for users who enjoy different audio sources in their vehicles.

Customized Sound

The integrated bass and treble control offers users the ability to tailor their sound preferences, resulting in an enjoyable and personalized audio experience suited to various music genres.

Product Details

Voltage	12 volts_of_direct_current
Maximum Supply Voltage	30 volts_of_direct_current
Minimum Supply Voltage	12 volts_of_direct_current
Mounting Type	Surface Mount
Number of Channels	2
Output Power	400 watts
Supply Current	5 A
Maximum Output Power	400 watts
Material Type	PCB
Manufacturer	Wuzhi Audio
Model	Wuzhi Audio ZK-ST21
Brand Name	Wuzhi Audio
Number of Items	1
UPC	194852391758
Included Components	Amplifier
Part Number	ZK-ST21
Item Weight	1.5 lbs (680 grams)

Who Should Buy?

Car Audio Enthusiasts
Perfect for upgrading vehicle sound systems with powerful output and versatile connectivity options.
Small Speaker Setups
Ideal for users needing a compact amplifier with subwoofer support for enhanced audio experience.
DIY Projects
Great for hobbyists building custom audio systems, thanks to its adjustable bass/treble and multiple input methods.

High-Powered Systems
May not suit high-end audio setups requiring more wattage or advanced features than offered.

Product Description

ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Board with Subwoofer, TPA3221 Chip, Bass/Treble Control, Bluetooth/AUX/USB Input, 12-30V Wide Voltage Vehicle Amplifier

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Customer Questions & Answers

Question: How to Shop ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Online From Ubuy?

Answer: It’s easy to shop ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier 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-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Available to Shop Online in Australia?

Answer: Yes, at Ubuy Australia this product is available for you to shop at a reasonable price. The ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier 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.

Wuzhi Audio Amplifiers Editorial Review

ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Board with Subwoofer features a robust TPA3221 Chip and offers Bass/Treble control, allowing users to customize their audio experience. With 400 watts of output power and multiple input options including Bluetooth, AUX, and USB, it's designed for versatility, suitable for any DIY audio project. Users have expressed their satisfaction with the sound quality, highlighting its loud performance and ease of use. Some users note that while it performs exceptionally, they encountered slight issues when adjusting subwoofer volume, which they believe are likely due to their setup rather than the amplifier itself.

Customer Reviews & Ratings

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Pros

Versatile input options including Bluetooth and USB
Powerful 400W output for loud performance
User-friendly design for DIY projects
Bass and treble controls for fine-tuning sound
Lightweight and easy to mount

Cons

May require adjustments for optimal subwoofer performance

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.

AUD 81

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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.

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ZK-ST21 100Wx2+200W 2.1Channel Bluetooth Amplifier Board with Subwoofer, TPA3221 Chip, Bass/Treble Control, Bluetooth/AUX/USB Input, 12-30V Wide

AUD 81

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100% Original Products

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What Stands Out

Product Details

Who Should Buy?

Product Description

Customer Questions & Answers

Wuzhi Audio Amplifiers Editorial Review

Customer Reviews & Ratings

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Product Price History

Important information

AUD 81

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