---
product_id: 604120171
title: "JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model"
brand: "generic"
price: "$371"
currency: MXN
in_stock: true
reviews_count: 1
category: "Generic"
url: https://www.desertcart.mx/products/604120171-jtech-sub-bt-board-2-1-channel-high-deep-bass
store_origin: MX
region: Mexico
---

# Dual 24V-40V Power Supply 2.1 Channel Audio Power Gain Control up to 14.5dB JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model

**Brand:** generic
**Price:** $371
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate your sound game — don’t just listen, dominate the vibe!

## Quick Answers

- **What is this?** JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model by generic
- **How much does it cost?** $371 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/604120171-jtech-sub-bt-board-2-1-channel-high-deep-bass)

## Best For

- generic enthusiasts

## Why This Product

- Trusted generic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hard Bass Technology:** Feel the punch with enhanced bass that commands attention in any environment.
- • **Precision Gain Control:** Fine-tune your audio with an inbuilt gain control boosting up to 14.5dB.
- • **Compact & Genuine Build:** Sleek 9x6x2 cm design with authentic components ensuring durability and quality.
- • **Dual Voltage Flexibility:** Seamlessly powers from 24V to 40V DC, perfect for versatile setups.
- • **Immersive 2.1 Channel Sound:** Experience rich, deep bass and crisp treble for a premium audio upgrade.

## Overview

The JTECH SUB+BT Board is a compact 2.1 channel audio preamplifier featuring an improved high gain control circuit delivering up to 14.5dB gain. It supports a wide DC power range from 24V to 40V, enabling flexible installation options. Designed for deep bass and clear treble, this board enhances audio detail with hard bass technology, making it ideal for vehicle subwoofer upgrades or hi-fi amplifier setups.

## Description

JTECH 2.1 Channel Bass Treble Board This is an improved passive preamplifier board; the circuit incorporates an improved high Gain Control circuit, giving the sound rich detail, Increase High Sound Gain14.5'Db You may perform high and low Bass And Treble DC 24V to 40V Dual Power Supply

Review: GOOD - GOOD

## Features

- J-B-L,SUB PRE Maching, improved high Gain Control circuit
- SMOOTH BASS.all Spare is Genuine
- DC 24V to 40V Dual Power Supply

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRGHCBH6 |
| Best Sellers Rank | #58,377 in Electronics ( See Top 100 in Electronics ) #95 in Hi-Fi Amplifiers |
| Brand | Generic |
| Country of Origin | India |
| Customer Reviews | 3.4 3.4 out of 5 stars (10) |
| Date First Available | 3 January 2024 |
| Item Dimensions LxWxH | 9 x 6 x 2 Centimeters |
| Item model number | JTECH- 2.1 SUB+BT |
| Manufacturer | JTECH AUDIOS SALEM |
| Model | JTECH- 2.1 SUB+BT |
| Number of items | 1 |
| Packer | GAYATRI TRADER'S |
| Product Dimensions | 9 x 6 x 2 cm |
| Speaker Surround Sound Channel Configuration | 2.1 |

## Images

![JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model - Image 1](https://m.media-amazon.com/images/I/51MF2tVndJL.jpg)
![JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model - Image 2](https://m.media-amazon.com/images/I/51atGUfIlWL.jpg)
![JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model - Image 3](https://m.media-amazon.com/images/I/51iMHcXpOJL.jpg)
![JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model - Image 4](https://m.media-amazon.com/images/I/51qfwC8rzqL.jpg)
![JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model - Image 5](https://m.media-amazon.com/images/I/710VWrE-r1L.jpg)

## Customer Reviews

### ⭐⭐⭐ GOOD
*by M***R on 18 November 2025*

GOOD

## Frequently Bought Together

- JTECH SUB+BT Board, 2.1 Channel, High Deep Bass and Treble, DC 24V to 40V Dual Power Supply, Inbuilt Gain Control (Gain14.5'Db) Hard Bass, IC Model
- LASER SUBWOOFER Board. HEAVY BASS BOOSTER Pre-Amplifier Gain Adjustable Preset. Frequency 50hz To 150hz Adjustable Preset Original Ic, 24v To 45v Dc Dual Supply

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**Shop now:** [https://www.desertcart.mx/products/604120171-jtech-sub-bt-board-2-1-channel-high-deep-bass](https://www.desertcart.mx/products/604120171-jtech-sub-bt-board-2-1-channel-high-deep-bass)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-29*