Picture of  ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black
Picture of  ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black
Picture of  ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black
Picture of  ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black
Picture of  ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black
Picture of  ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black
Picture of  ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black
Picture of  ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black

 ZK-MT21 2.1 channel Class D subwoofer amplifier board delivering up to 50W+50W+100W Output.It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume Black

Category: Electrical Accessories
SKU: MOS896644
Seller: Module Shop
Tk 1,600
0 review(s)
  • The ZK-MT21 is a budget-friendly 2.1 channel Class D subwoofer amplifier board, delivering up to
  • output. It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume controls for treble, bass, subwoofer frequency, and master volume.
  • Key Features and Specifications:
  • Channels: 2.1 (Left/Right Stereo + Subwoofer)
  • Power Output: Left/Right Channels <50W (4-8), Subwoofer <100W (4-8)
  • Bluetooth: Version 5.0
  • Input Mode: Bluetooth and AUX
  • Voltage Range: DC 12-24V (5A or higher recommended)
  • Protection: Anti-reverse connection, overheating, overcurrent, and short circuit protection
  • Components: Often uses TPA3110 or similar Class D chips

Call For Order : 09613-800800
  • The ZK-MT21 is a budget-friendly 2.1 channel Class D subwoofer amplifier board, delivering up to
  • output. It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume controls for treble, bass, subwoofer frequency, and master volume.
  • Key Features and Specifications:
  • Channels: 2.1 (Left/Right Stereo + Subwoofer)
  • Power Output: Left/Right Channels <50W (4-8), Subwoofer <100W (4-8)
  • Bluetooth: Version 5.0
  • Input Mode: Bluetooth and AUX
  • Voltage Range: DC 12-24V (5A or higher recommended)
  • Protection: Anti-reverse connection, overheating, overcurrent, and short circuit protection
  • Components: Often uses TPA3110 or similar Class D chips





  • The ZK-MT21 is a budget-friendly 2.1 channel Class D subwoofer amplifier board, delivering up to
  • output. It features Bluetooth 5.0 for wireless connectivity (up to 15m), plus an AUX input. It supports 12-24V DC input and features volume controls for treble, bass, subwoofer frequency, and master volume.
  • Key Features and Specifications:
  • Channels: 2.1 (Left/Right Stereo + Subwoofer)
  • Power Output: Left/Right Channels <50W (4-8), Subwoofer <100W (4-8)
  • Bluetooth: Version 5.0
  • Input Mode: Bluetooth and AUX
  • Voltage Range: DC 12-24V (5A or higher recommended)
  • Protection: Anti-reverse connection, overheating, overcurrent, and short circuit protection
  • Components: Often uses TPA3110 or similar Class D chips
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