Description
CA-MT21 2.1 Channel BT 5.0 Subwoofer Amplifier Board 2*50W+100W 12-24V AMP+BT
The CA MT21 BT Digital Amplifier Board is a powerful 2.1 channel audio solution designed for DIY audio systems, home setups, and subwoofer applications. Supporting DC 12V to 24V input, this amplifier delivers strong and clear sound output with dedicated subwoofer control.
Equipped with Bluetooth connectivity, AUX input, and onboard control knobs for bass, treble, and volume, this module provides flexibility and precision sound tuning. Ideal for driving 4Ω to 8Ω speakers with power output suitable for 15W to 100W setups.
Key Features
- 2.1 channel amplifier with subwoofer output.
- Bluetooth wireless audio connectivity.
- Supports DC 12V to 24V input.
- High power output suitable for 15W to 100W speakers.
- Independent bass treble and volume control.
- Compact board with heat sink for efficient cooling
- Clear sound with low distortion.
- Easy installation with screw terminals.
- Ideal for DIY audio and speaker systems.
Technical Specifications
| Specification | Details |
|---|---|
| Model | CA MT21 BT |
| Product Type | Digital Amplifier Board |
| Channel | 2.1 Channel Stereo plus Subwoofer |
| Input Voltage | DC 12V to 24V |
| Output Power | Suitable for 15W to 100W speakers |
| Speaker Impedance | 4 Ohm to 8 Ohm |
| Connectivity | Bluetooth AUX |
| Control | Bass Treble Volume Subwoofer Control |
| Cooling | Aluminum Heat Sink |
| Audio Output | Stereo plus Subwoofer |
Applications
- DIY home audio systems.
- Subwoofer amplifier projects.
- PC speaker systems.
- Car audio setups.
- Home theater DIY builds.
- Workshop audio systems.
- Portable speaker projects.
- Audio repair and upgrade.
Package Includes
Amplifier board CA MT21 BT
Acrylic case panels
Control knobs
Screwdriver and mounting hardware
DC connector
Precautions
Use correct DC power supply within 12V to 24V range
Ensure proper speaker impedance matching
Do not short circuit output terminals
Install in ventilated area for cooling
Avoid moisture and dust exposure
Turn off power before wiring connections