---
product_id: 111438457
title: "Spy Tec Highly Sensitive Audio Wall Probe with Amplification up to 20000x New Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System"
brand: "big bosskk"
price: "€ 11.62"
currency: EUR
in_stock: false
url: https://www.desertcart.fi/products/111438457-spy-tec-highly-sensitive-audio-wall-probe-with-amplification-up
store_origin: FI
region: Finland
---

# 20000x amplification 24h continuous battery life Works through cement, metal, wood Spy Tec Highly Sensitive Audio Wall Probe with Amplification up to 20000x New Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System

**Brand:** big bosskk
**Price:** € 11.62
**Availability:** ❌ Out of Stock

## Summary

> 🔍 Hear the unheard. Own the unseen.

## Quick Answers

- **What is this?** Spy Tec Highly Sensitive Audio Wall Probe with Amplification up to 20000x New Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System by big bosskk
- **How much does it cost?** € 11.62 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/111438457-spy-tec-highly-sensitive-audio-wall-probe-with-amplification-up)

## Best For

- big bosskk enthusiasts

## Why This Product

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

## Key Features

- • **All-Day Monitoring:** Continuous 24-hour operation powered by a reliable 3.7V lithium battery.
- • **Discreet & Private:** Private listing ensures your purchase stays off your feedback profile—total stealth.
- • **Precision Volume Control:** Fine-tune sensitivity to avoid earbud discomfort while capturing every detail.
- • **Multi-Surface Penetration:** Hear through walls, ceilings, metal, wood, glass, and more with ease.
- • **Unmatched Audio Amplification:** Amplify whispers up to 20,000x for crystal-clear surveillance.

## Overview

The Spy Tec Highly Sensitive Audio Wall Probe is a cutting-edge listening device that amplifies sound vibrations up to 20,000 times, enabling you to eavesdrop through various solid surfaces including cement, metal, and wood. Equipped with a 3.5mm headphone output and powered by a 3.7V lithium battery, it supports continuous monitoring for up to 24 hours. Its adjustable sensitivity dial ensures clear audio without discomfort, making it the ultimate tool for discreet, high-performance audio surveillance.

## Description

Works on wooden walls, doors, windows, steel plates, etc. Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds Description: As simple and powerful as possible from a handheld listening device, this audio gadget can let you hear conversations through walls and other barriers. So how does it work Simple, you switch on the Inspector Gadget Audio Listening Device, insert the earphones, and then place the audio bug on the wall and listen to what's being said. This audio gadget works by amplifying the vibrations of audio. When people are talking in a room their voices are simply a waveband, and depending on how loud they are talking, the waveband travels short and long distances which are picked up and amplified by this device. The sensor on this audio gadget senses the vibrations hitting the walls, ceiling and floor and amplifies them so that you can listen to whats being said. If the waveband is low, meaning people talking in a lower note, then you can use the dial located at the back of this cool audio gadget to adjust the volume and increase the sensors amplification. It really makes "" more fun and productive. Lets face it, no one really tells the truth straight to your face. So why not find out the truth, you will be amazed what people might say when your whether you are in a motel room, hotel room, your apartment or just in the next room the device will let know whats being said.

## Features

- HIGHEST SENSITIVE LISTEN THROUGH WALL / CEILING CONTACT & PROBE MICROPHONE SET
- THIS IS A PRIVATE LISTING DUE TO THE NATURE OF THIS PRODUCT. YOU CAN PURCHASE THIS PRODUCT AND IT WILL NOT SHOW UP ON YOUR FEEDBACK PROFILE.
- Penetrable surfaces: Cement, Metal, Wood, Iron, Glass, Plastic, Brick Working time: Continuos monitoring up to 24 hours Headphone output: 3.5mm stereo
- Maximum gain amplification: 20000 times Battery type: 3.7v lithium battery Microphone sensitivity: -70db Current consumption: 10mA
- Highly Sensitive, carefully adjust audio slowly, as not to cause discomfort to your ear-buds

## Images

![Spy Tec Highly Sensitive Audio Wall Probe with Amplification up to 20000x New Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System - Image 1](https://m.media-amazon.com/images/I/51V6nlFHcVL.jpg)
![Spy Tec Highly Sensitive Audio Wall Probe with Amplification up to 20000x New Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System - Image 2](https://m.media-amazon.com/images/I/41aLLkNUrLL.jpg)
![Spy Tec Highly Sensitive Audio Wall Probe with Amplification up to 20000x New Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System - Image 3](https://m.media-amazon.com/images/I/41KKJ6MQzDL.jpg)
![Spy Tec Highly Sensitive Audio Wall Probe with Amplification up to 20000x New Super Sensitive Listen Thru-Wall Contact/Probe Microphone Amplifier System - Image 4](https://m.media-amazon.com/images/I/41Jj9-owqJL.jpg)

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**Shop now:** [https://www.desertcart.fi/products/111438457-spy-tec-highly-sensitive-audio-wall-probe-with-amplification-up](https://www.desertcart.fi/products/111438457-spy-tec-highly-sensitive-audio-wall-probe-with-amplification-up)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-18*