Bluetooth Audio Amplifier Board, 2.1CH 50W x 2 +100W Subwoofer Power Amp with Treble and Bass Control,JR-TB21 Bluetooth5.0 and AUX Inputs, Stereo Digital AMP Module for DIY Home Speakers.

★★★★★ 4.9 131 reviews

$38.99
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by mail.mazdasultanagung.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$38.99
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Jul 12
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by mail.mazdasultanagung.com
Free 30-day returns Details

Product details

Management number 222566111 Release Date 2026/05/04 List Price $15.60 Model Number 222566111
Category
  • Bluetooth Audio Amplifier Board : JR-TB21 is a subwoofer audio amplifier board, with 50W+50W+100W Bluetooth 5.0 wireless connection, Bluetooth+AUX+USB audio input, 2.1 channel stereo output, just a little sound distortion. Note: When using AUX mode, please confirm that the Bluetooth connection of this module has been disconnected.
  • 2.1 Channel Power Amplifier Module : JR-TB21 audio power amplifier module with mini size 10 x10 x 2.2 cm /3.94 in*3.94 in*0.86 inch, but Powerful, Dual channel stereo output power 50W+50W+100W, suitable for 4-8Ω speakers, It is recommended to use 20-100W speakers for the best effect.
  • Bluetooth 5.0 Inputs: The Bluetooth power amplifier board with 3 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.
  • Treble and Bass Adjustment: This digital Amp board with independent treble and bass adjustment buttons,you can directly adjust the treble and bass through the module, without using the player or speaker.
  • Perfect Sound Quality Experience: The audio power subwoofer amplifier module with powerful chip, AM interference suppression function, shielding power inductance, low noise front stage operational amplifier, let you enjoy a more perfect sound quality experience.
  • With Protective Function: This Bluetooth Amp module is designed with over-voltage protection, under-voltage protection, over-heat protection, short-circuit protection, with case to protective it.
  • Easy Installation and Use: The illustration of each interface is printed on the protective plate, making it easy to install and use even without instructions. Small size: 3.94 in*3.94 in*0.86 inch, easy to carry.
Model JR-TB21-Amplifier
Brand Name JRGKJCP
Part Number JR-TB21-Module
Manufacturer JRGKJCP
Output Power 200 Watts
Material Type Printed Circuit Board (Pcb), Plastic
Mounting Type Surface Mount
Number of Channels 3
Included Components Module
Warranty Description 2

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.9 out of 5
★★★★★
131 ratings | 54 reviews
How item rating is calculated
View all reviews
5 stars
89% (117)
4 stars
1% (1)
3 stars
0% (0)
2 stars
0% (0)
1 star
10% (13)
Sort by

There are currently no written reviews for this product.