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Item #:
221239060
ZK-TB21 2.1 Channel Amplifier Board with Treble and Bass Control DC 12-24V Audio Power Amplifier Module
Item #:
221239060
USD 36
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Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
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Order now and get it around Wednesday, August 05
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Support 3.5mm wired input and Bluetooth 5.0 input. With volume control and excellent sound quality.
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Product Details
| Voltage | 24 Volts |
| Maximum Supply Voltage | 24 Volts (DC) |
| Minimum Supply Voltage | 12 Volts |
| Mounting Type | Surface Mount |
| Number of Channels | 2 |
| Package Type Name | Box |
| Material Type | Metal |
| Manufacturer | Diitao |
| Model | ZK-TB21 |
| Brand Name | Diitao |
| UPC | 701715524941 |
| Part Number | DT20705 |
| Included Components | Amplifier board |
| Item Weight | 1.1 lbs (500 grams) |
Product Description
ZK-TB21 2.1 Channel Amplifier Board with Treble and Bass Control DC 12-24V Audio Power Amplifier Module
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Customer Questions & Answers
-
Question:
What is the power output of the ZK-502C Bluetooth Amplifier Board?
Answer: The ZK-502C Bluetooth Amplifier Board provides up to 100 watts of audio output. This powerful output is ideal for driving passive speakers in a home audio system, ensuring robust sound quality for various audio genres. Users can enjoy immersive sound experiences, whether they are streaming music, playing movies, or hosting gatherings. -
Question:
How do I connect my phone to the ZK-502C Amplifier?
Answer: Connecting your phone to the ZK-502C Amplifier is straightforward due to its Bluetooth 5.0 capabilities. Simply enable Bluetooth on your mobile device, search for available devices, and select the ZK-502C. The password-free connection allows for quick pairing, making it convenient to stream your favorite music without complicated setups. -
Question:
Can the ZK-502C Amplifier be used with any passive speakers?
Answer: Yes, the ZK-502C is designed to work with a variety of passive speakers, as long as they fall within the appropriate impedance range. This versatility makes it suitable for different speaker systems, whether you are upgrading a home theater or enhancing a casual listening setup. It allows users to customize their audio experiences based on their speaker preferences. -
Question:
What is the voltage requirement for the ZK-502C Amplifier?
Answer: The ZK-502C Amplifier operates within a voltage range of DC 8-24V. This wide input voltage range provides flexibility for various setups, from powered adapters to battery systems. It's ideal for DIY audio projects or integrating into existing home systems, allowing users to find suitable power sources without limitations. -
Question:
Is the ZK-502C suitable for outdoor use?
Answer: While the ZK-502C is primarily designed for home use, it can be used outdoors provided it is sheltered from elements like rain and direct sunlight. Many users connect this amplifier to outdoor speakers for garden parties or barbecues. However, it is advisable to ensure that the setup is safe and not exposed to moisture. -
Question:
Does the ZK-502C Amplifier support multiple devices at once?
Answer: No, the ZK-502C Bluetooth Amplifier does not support multipoint connectivity, meaning it can only connect to one Bluetooth device at a time. This ensures a stable connection for uninterrupted audio playback, making it an ideal choice for single-user scenarios where consistent sound quality is a priority, such as individual music listening. -
Question:
What audio formats does the ZK-502C support?
Answer: The ZK-502C Amplifier supports a range of audio formats that can be streamed through Bluetooth, including high-quality lossless formats. This allows users to enjoy rich, detailed sound quality for music playback. It ensures that whatever your listening preference, the audio performance will meet your expectations for clarity and depth. -
Question:
Can I use the ZK-502C for gaming?
Answer: Yes, the ZK-502C can enhance your gaming experiences significantly by powering passive speakers, delivering immersive sound effects and clear audio feedback. Gamers often connect it to their console or PC setup for a more engaging gameplay experience. This amplifier helps in creating an extensive soundstage beneficial for competitive and casual gaming alike. -
Question:
What is included in the ZK-502C package?
Answer: The ZK-502C package typically includes the amplifier board itself, along with a user manual that provides setup instructions and connection details. This makes it accessible for both tech-savvy users and beginners trying to enhance their audio systems. Additional components or accessories may be necessary depending on your specific audio setup. -
Question:
Where can I buy the ZK-502C Bluetooth 5.0 Amplifier Board?
Answer: You can buy the ZK-502C Bluetooth 5.0 Amplifier Board at Ubuy. They offer a reliable platform for purchasing this product, complete with customer support and information on various tech gadgets. Ubuy typically provides numerous options for international shipping, making it convenient to obtain this amplifier regardless of your location in Palau.
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12 June 2026 · via Trustpilot
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USD 36
Order now and get it around Wednesday, August 05
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:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Features & Benefits
- Bluetooth / AUX
- DC 5V-27V (Above 2A)
- 50W x 2 Stereo
- Bluetooth 5.0
- 50 Ft
- 4 - 8 Ohm
- Amplifier Module, Acrylic shell, Screws, Power cable, Screwdriver, Knob, Heat sink
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