DAJUNGUO Bluetooth Audio Power Amplifier Board for DIY Enthusiasts with Subwoofer 2.1 Channel, 50W×2+100W, Includes Treble and Bass Control, Ideal for Store Home Theater

4.4
$23.98
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  • Item dimensions L x W x H 44.4 x 42.48 x 10.32 inches
  • Voltage 20 Volts
  • Manufacturer DAJUNGUO
  • Mounting Type Surface Mount
Description

Introducing the ZK-MT21 Power Amplifier Board, your go-to solution for exceptional audio performance. With Bluetooth 5.0 technology, you can enjoy wireless connectivity up to 49 feet, or opt for the 3.5mm AUX input. No matter your preference, this amplifier caters to your needs effortlessly.

Take control of your sound with our intuitive treble and bass adjustment knobs, adding depth and impact to your listening experience. Plus, the ZK-MT21 is highly compatible with most DC adapters (5.5mm*2.1mm), and we even include a DC conversion plug for added convenience.

Designed with protection in mind, the ZK-MT21 boasts multiple safety features including short-circuit, over-current, and over-heat protection. With 24/7 customer service, we ensure your satisfaction and are here for any questions or concerns. Elevate your audio game with the ZK-MT21!

Product Highlights

Discover the versatility of the DAJUNGUO Bluetooth Power Amplifier Board, a robust solution for your DIY Bluetooth audio projects or store home theater setups. Engineered for performance and convenience, this amplifier board enhances your audio experience with precision.

Features:

  • Connectivity Options: Integrated with Bluetooth 5.0, this amplifier board allows for wireless audio streaming up to 49 feet without obstructions. Additionally, a 3.5mm AUX input provides flexibility for various audio input methods.
  • Enhanced Sound Control: Equipped with separate treble and bass adjustment knobs, the ZK-MT21 lets you customize your sound output. Achieve rich, deep bass and clear, refined treble for a more immersive audio experience.
  • High Compatibility: The ZK-MT21 is designed to work with most DC adapters (5.5mm x 2.1mm). To accommodate different plugs, the package includes a DC conversion plug.
  • Safety Features: This amplifier board incorporates multiple protection mechanisms, including short-circuit, over-current, over-heat, and anti-reverse protections. These features ensure the amplifier's safe operation and longevity.

Elevate your audio projects with the DAJUNGUO Bluetooth Power Amplifier Board. It's not just about boosting sound; it's about crafting a superior listening experience.

Customer Insights

POSITIVE
Affordable

Cost-effective for the features offered.

Easy Assembly

Simple to put together and use.

Good Sound Quality

Highs, midrange, and lows are clear and well-defined.

Powerful Output

Provides significant power, even at lower voltages.

Bluetooth Connectivity

Fast and reliable Bluetooth connection with solid range.

Adjustable Controls

Subwoofer gain and low pass filter can be adjusted for better sound customization.

NEGATIVE
Durability Issues

Many units failed within a short period of time.

Poor Thermal Management

No form of cooling, leading to overheating and failure.

Buzzing at High Volume

Noticeable buzzing noise at louder volumes.

Intermittent Bluetooth

Bluetooth connectivity issues and interference with other devices.

Connection Problems

Wires can pull out easily and cause arcing despite tightening.

Clipping in Audio

Bluetooth mode clips audio during silence due to power-saving features.

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