ZK-TB21 2.1 Channel Bluetooth Amplifier Board for DIY Speakers, TPA3116 Chip, 50W × 2 + 100W, BT and AUX Input, DC 12–24V, Mini Amp wih Bass & Treble Control

★★★★★ 4.9 69 reviews

US$8.79
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US$8.79
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Free shipping Free 30-day returns

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Product details

Management number 220564981 Release Date 2026/05/03 List Price US$8.79 Model Number 220564981
Category
  • 【TPA3116D2 HIFI Chip Solution】 Stereo Dual-channel Output to Ensure Continuous Serial High-power Operation, THD ≤0.1%. Wide Voltage Input DC: 12-24V;
  • 【Bluetooth 5.1+3.5MM AUX】The ZK-TB21 supports Bluetooth and AUX inputs, compatible with most devices such as smartphones, TVs, and laptops, allowing you to connect easily.
  • 【Adjustable Sound Controls】Features five independent control knobs for bass adjustment, treble adjustment, master volume, and subwoofer frequency and level adjustment, enabling precise sound customization to suit personal listening preferences or different room environments.
  • 【Safety Protection】The ZK-TB21 features multiple built-in protection mechanisms, including over-voltage, under-voltage, over-temperature, DC detection, and short-circuit protection, ensuring safe and stable performance.
  • 【After Sales Service】If you have any questions about the use of our products, we will do our best to give you a satisfactory answer.
UPC 607606794854
Model Wuzhi ZK-TB21
Brand Name DAMGOO
Unit Count 1.0 Count
Part Number ZK-TB21
Manufacturer DAMGOO
Output Power 200 Watts
Item Dimensions 4.64 x 3.93 x 0.86 inches
Number of Channels 2
Included Components amplifier board
Maximum Output Power 200W
Maximum Supply Voltage 24 Volts (DC)
Minimum Supply Voltage 12 Volts (DC)

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4.9 out of 5
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69 ratings | 28 reviews
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