---
product_id: 195456583
title: "Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board Pickup Module DC 3.8V-15V MIC Preamp Module"
brand: "acxico"
price: "₹ 1291"
currency: INR
in_stock: true
category: "Acxico"
url: https://www.desertcart.in/products/195456583-acxico-3pcs-ad828-stereo-dynamic-microphone-preamplifier-board-pickup-module
store_origin: IN
region: India
---

# Ultra-sensitive piezo pickup Wide 3.8-15V low-voltage range Adjustable gain via resistor R5 Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board Pickup Module DC 3.8V-15V MIC Preamp Module

**Brand:** acxico
**Price:** ₹ 1291
**Availability:** ✅ In Stock

## Summary

> 🎤 Elevate your sound game with precision preamp power!

## Quick Answers

- **What is this?** Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board Pickup Module DC 3.8V-15V MIC Preamp Module by acxico
- **How much does it cost?** ₹ 1291 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/195456583-acxico-3pcs-ad828-stereo-dynamic-microphone-preamplifier-board-pickup-module)

## Best For

- acxico enthusiasts

## Why This Product

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

## Key Features

- • **Dual-Channel Design:** Two independent preamp channels for versatile stereo or mono setups with minimal crosstalk.
- • **Noise-Free Operation:** No switching power supply needed—ensures interference-free, professional-grade audio.
- • **Compact & Power-Efficient:** Ultra-small 2.5x1.6cm board powered by a single lithium battery or linear supply.
- • **Customizable Gain Control:** Easily tweak amplification from 5k to 150k resistor for perfect sound balance.
- • **Precision Piezoelectric Sensitivity:** Captures pure instrument vibrations, cutting ambient noise for crystal-clear sound.

## Overview

The Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board is a compact, dual-channel preamp module designed for piezo pickups on instruments like guitars and erhus. Operating on a low voltage range of 3.8V to 15V, it features an AD828 op amp chip for high-fidelity amplification with adjustable gain via onboard resistor modification. Its design minimizes environmental noise and interference, making it ideal for professional musicians and audio enthusiasts seeking clear, customizable sound enhancement.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #23,441 in Musical Instruments ( See Top 100 in Musical Instruments ) #33 in Microphone Preamps |
| Customer Reviews | 3.9 out of 5 stars 53 Reviews |

## Images

![Acxico 3Pcs AD828 Stereo Dynamic Microphone Preamplifier Board Pickup Module DC 3.8V-15V MIC Preamp Module - Image 1](https://m.media-amazon.com/images/I/61KTNP7MbuL.jpg)

## Questions & Answers

**Q: does this circuit have dc blocking caps?**
A: I don't know since I have never seen a schematic for this product.   Why not, just assume 
none were provided and install them external to the board .... just to be safe rather than sorry  !

**Q: Can this be used with an electret mic?**
A: YES,   but only as far as for amplification.  You will need to come up with the  voltage
to be applied to the Mike Element.  Might I mention that his board has no easy means of gain adjustment.  I think there are other Pre-Amplifier boards that provide the voltage to supply the element. and pads to solder on adjustment resistors to select gain.

**Q: What is the input impedance**
A: Impedance is not mentioned,
check out the Velleman  K-1803  which was my second purchase.  mono pre-amp.  Works like a champ !

**Q: How do I verify operation? I have tried two different boards with two different microphones. I am not getting any output.**
A: my has a heat sink under 
not all the board work the same
waith till i get mine and try to tell a is wirwd

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*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-06-23*