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Item #:
222507080
Bluetooth Power Amplifier Board with Subwoofer 2.1 Channel 50W2+100W, 12V-24V Audio Power Amplifier Module with Treble and Bass Control (ZK-MT21)
Item #:
222507080
XCD 81
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Sunday, August 23
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What Stands Out
High Power Output
Delivers 50W2+100W power, ensuring robust sound quality suitable for both music and movies, rivaling higher-end systems without the price tag.
Bluetooth 5.1 Connectivity
Equipped with the latest Bluetooth 5.1 technology, offering stable and quick wireless connections for seamless audio streaming from multiple devices.
Versatile Inputs
Compatible with both Bluetooth and AUX inputs, providing flexibility for various audio sources, making it ideal for home theaters or casual listening.
Product Details
| Voltage | 20 volts |
| Maximum Supply Voltage | 24 volts |
| Minimum Supply Voltage | 12 volts_of_direct_current |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Output Power | 200 watts |
| Package Type Name | Hard Case |
| Supply Current | 5 A |
| Item Dimensions | 4.37 x 4.05 x 1.02 inches (11.1 x 10.3 x 2.6 cm) |
| Manufacturer | DAJUNGUO |
| Model | ZK-MT21 |
| Brand Name | DAJUNGUO |
| Unit Count | 1 Count |
| UPC | 194852390669 |
| Included Components | amplifier board |
| Item Weight | 130 g |
| Part Number | ZK-MT21 |
| Item dimensions L x W x H | 4.37 x 4.05 x 1.02 inches (11.1 x 10.3 x 2.6 cm) |
What's in the box
amplifier board
Who Should Buy?
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Home Theater Users
Ideal for users looking to enhance their home audio experience with powerful sound and subwoofer support.
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DIY Audio Enthusiasts
Perfect for hobbyists who enjoy building their own audio systems and seek quality components for customization.
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Portable Sound Solutions
Great for users needing a compact amplifier with Bluetooth connectivity for mobile or outdoor use.
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Professional Musicians
May lack the high fidelity and output required for live performances or professional recording settings.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the main features of the Bluetooth Power Amplifier Board ZK-MT21?
Answer: The Bluetooth Power Amplifier Board ZK-MT21 offers a 2.1 channel audio output with a powerful 50W×2 + 100W configuration, making it ideal for subwoofer integration. It supports a voltage range of 12V-24V, allowing flexible power options. Key features include treble and bass control, which lets you tailor the audio output to your preferences, enhancing the listening experience. This makes it perfect for home theaters, gaming setups, and outdoor events where high-quality audio is essential. -
Question:
How do I connect my devices to the ZK-MT21 amplifier?
Answer: Connecting your devices to the ZK-MT21 amplifier is straightforward. You can use Bluetooth to link your smartphone, tablet, or computer wirelessly. Alternatively, you can connect audio sources using the RCA input, which is perfect for devices that don't support Bluetooth. This versatility allows you to easily switch between wired and wireless audio sources, making it suitable for both casual listening and more serious audio setups. -
Question:
Can I use the ZK-MT21 amplifier for outdoor events?
Answer: Yes, the ZK-MT21 amplifier is a great choice for outdoor events due to its robust power output and excellent audio quality. With a maximum power output of 100W for the subwoofer and 50W for the satellite speakers, it can easily fill larger spaces with rich sound. Just ensure that the amplifier is protected from moisture and direct sunlight, and you'll enjoy high-quality audio for gatherings, parties, and outdoor movie nights. -
Question:
What types of speakers can I connect to the ZK-MT21?
Answer: You can connect a variety of speakers to the ZK-MT21 amplifier, including passive bookshelf speakers and subwoofers. The amplifier is compatible with speakers rated for use within its power output range. For optimal performance, consider pairing it with speakers designed for home audio systems or soundbars. This setup will elevate your audio experience whether you are watching movies, playing games, or listening to music. -
Question:
Is the ZK-MT21 suitable for home theater use?
Answer: Absolutely! The ZK-MT21 is well-suited for home theater setups. Its two-channel output combined with a dedicated subwoofer channel allows for a rich and immersive sound experience. You can customize the audio with treble and bass control to suit your preferences, enhancing dialogues and sound effects when watching movies or shows. This makes it a fantastic addition to elevate your cinematic experience. -
Question:
What power source do I need for the ZK-MT21 amplifier?
Answer: The ZK-MT21 amplifier requires a power supply within the range of 12V to 24V. You can use a standard DC power adapter or battery setup that meets these specifications. This flexibility makes the amplifier suitable for various applications, from permanent installations at home to portable setups for outdoor events, ensuring users can enjoy consistent performance across different environments. -
Question:
Does the ZK-MT21 amplifier have Bluetooth connectivity?
Answer: Yes, the ZK-MT21 amplifier features Bluetooth connectivity, allowing you to wirelessly stream audio from your smartphone, tablet, or computer. This feature simplifies the setup process, eliminating the need for cumbersome wires. Whether you’re hosting a party or enjoying a quiet evening at home, you can play your favorite playlists effortlessly, making it a user-friendly option for modern audio capabilities. -
Question:
Can I still use the ZK-MT21 without Bluetooth?
Answer: Yes, you can definitely use the ZK-MT21 amplifier without Bluetooth. It has built-in RCA inputs for connecting wired audio sources like CD players, PCs, or televisions. This provides flexibility in how you choose to enjoy audio, whether you prefer the convenience of Bluetooth or the reliability of a wired connection. It’s ideal for various setups, ensuring compatibility with most audio devices. -
Question:
How do I control the sound quality on the ZK-MT21?
Answer: The ZK-MT21 amplifier features intuitive treble and bass controls on its panel, allowing you to adjust the sound quality according to your preferences. By tweaking these settings, you can enhance high frequencies for clarity or increase bass for a more robust sound profile. This personalization ensures an enjoyable listening experience, whether it's soft background music or loud action scenes in your favorite film. -
Question:
Where can I buy the Bluetooth Power Amplifier Board ZK-MT21?
Answer: You can buy the Bluetooth Power Amplifier Board ZK-MT21 from Ubuy in Saint Kitts and Nevis. Ubuy offers a reliable platform to purchase electronic solutions, ensuring you find the ZK-MT21 amplifier along with easy payment options and dedicated customer support. This makes it a convenient choice for consumers looking to enhance their audio experience.
DAJUNGUO Amplifiers Editorial Review
The product in question has garnered a range of customer experiences and feedback that presents a well-rounded picture of its performance and value. Overall, customers are quite impressed with the amplifier's functionality, particularly for its low price point. Many users have noted its fast connectivity and sound quality, highlighting it as a strong performer compared to higher-end models. One recurring theme is the positive quality of sound, especially in the mids and highs. Users appreciate how well it works for casual listening and its suitability as a secondary audio option for personal spaces like bedrooms or computer setups. There is a general Consensus that, for the given price, the amp offers commendable performance, though some users have expressed that it lacks volume potency relative to their expectations. However, not all experiences have been flawless. A concern has been raised regarding the reliability of the unit, with one customer reporting a problematic unit that was dead on arrival, emphasizing the importance of quality control. Despite this, the majority of users seem satisfied with their purchase, indicating that the product generally meets or exceeds expectations, especially for those who are budget-Conscious. In conclusion, this amplifier stands out as a good value for the price, particularly for casual users looking for decent sound quality without breaking the bank. **
Customer Reviews & Ratings
448 customers ratings
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5 Star
70%
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4 Star
13%
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3 Star
8%
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2 Star
2%
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1 Star
7%
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Pros
- Fast connectivity.
- Great sound quality for the price.
- Excellent performance in mids and highs.
- Highly praised by users for its value compared to high-end models.
Cons
- Some concerns over volume levels.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
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23 July 2026 · via Trustpilot
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XCD 81
Order now and get it around Sunday, August 23
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Features & Benefits
- Features advanced TPA3116D2 HIFI chip for high-quality audio.
- Independent treble and bass control for personalized sound.
- Supports Bluetooth 5.0 and AUX input for versatile connectivity.
- Compatible with most DC power adapters, ensuring easy setup.
- Built-in protection mechanisms for safe operation.
- Ideal for small home theater setups with 20-100W speakers.
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