2.1 Channel Bluetooth 5.0 Audio Power Amplifier Board, JR-MT21 50 * 2+100W HiFi Subwoofer Audio AMP with Treble and Bass Control BT and AUX Inputs Module, DC12-24V Stereo AMP Module for DIY Speakers.
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Product details
| Management number | 218134875 | Release Date | 2026/05/03 | List Price | $11.20 | Model Number | 218134875 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 2.1 Channel Power Amplifier Module : JR-MT21 audio power amplifier with mini size 9 x 9.3 x 2.2 cm /3.54 x 3.66 x 0.87 inch, but Powerful, Dual channel stereo output power 50*2+100W, suitable for 4-8Ω speakers, It is recommended to use 50-100W speakers for the best effect.
- HiFi Audio Amplifier Board : JR-MT21 Mini Bluetooth audio power amplifier module is a 2.1 channel amp, it can contact two passive speaker(50*2+100W), DC12-24V (5.5X2.1mm) . distortion rate below 0.3%, low latency.
- Bluetooth 5.0 Inputs: The Bluetooth power amplifier board with 2 kind of inputs: AUX and Bluetooth inputs, the upgrade large chips support Bluetooth 5.0, low latency, The range of audio devices (smartphones, tablets, laptops, etc.) with Bluetooth connectivity is 15m/49ft. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected.
- Details and Quality: Amplifier circuit board with 4 groups of red and gray ring inductors and 684 film capacitors, with low loss, high bandwidth, high fidelity characteristics; 2 pieces of chips have AM interference suppression, to ensure that the high-power output, and low distortion (less than 0.3%), the electrolytic capacitor array filtering effect is very good, ensure the output of the sound quality is more pure. They are specially customized for the JR-MT21 digital amplifier.
- Multiple Protections and Safety: This JR-MT21 Bluetooth amp module with multiple protections ensure safety in use, designed with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection, with case to protective it.
- Notice: JR-MT21 adaptive 30-200W, 4-8 ohm speakers. input voltage is DC 12V-24V/5A above, the speaker power, resistance and voltage relationships are as follows: 20W*2@12V,8 ohm; 35W*2@12V,4 ohm. 35W*2@19V,8 ohm; 60W*2@19V,4 ohm. 50W*2@24V,8 ohm; 100W*2@24V,4 ohm
| Model | JR-MT21-Amplifier |
|---|---|
| Voltage | 12 Volts (DC) |
| Brand Name | JRGKJCP |
| Item Weight | 180 Grams |
| Part Number | JR-MT21-Amplifier |
| Manufacturer | JRGKJCP |
| Output Power | 200 Watts |
| Material Type | Printed Circuit Board (Pcb), Metal, Plastic |
| Mounting Type | Surface Mount |
| Number of Channels | 3 |
| Included Components | Amplifier |
| Warranty Description | 2 |
| Maximum Supply Voltage | 24 Volts (DC) |
| Minimum Supply Voltage | 12 Volts (DC) |
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