--- product_id: 102888310 title: "Solid Sound Picking up Amplifier Wall Listening Earthquake Building Landslide Search and Rescue Instrument Wall Listening Device HY929 Player Version (Recorded Edition) (standard edition)" brand: "big bosskk" price: "1391CFA" currency: XOF in_stock: false url: https://www.desertcart.sn/products/102888310-solid-sound-picking-up-amplifier-wall-listening-earthquake-building-landslide store_origin: SN region: Senegal --- # 20000x max audio amplification Penetrates cement, steel, iron, glass, wood, brick Adjustable sensitivity dial for precise audio control Solid Sound Picking up Amplifier Wall Listening Earthquake Building Landslide Search and Rescue Instrument Wall Listening Device HY929 Player Version (Recorded Edition) (standard edition) **Brand:** big bosskk **Price:** 1391CFA **Availability:** ❌ Out of Stock ## Summary > 🎧 Unlock the unseen conversations—because knowing is power! ## Quick Answers - **What is this?** Solid Sound Picking up Amplifier Wall Listening Earthquake Building Landslide Search and Rescue Instrument Wall Listening Device HY929 Player Version (Recorded Edition) (standard edition) by big bosskk - **How much does it cost?** 1391CFA with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/102888310-solid-sound-picking-up-amplifier-wall-listening-earthquake-building-landslide) ## 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 - • **Plug & Play Simplicity:** No batteries needed—just plug in your earphones and start listening. - • **Precision Volume Control:** Fine-tune sensitivity to avoid ear discomfort and catch every detail. - • **Multi-Material Penetration:** Effortlessly listens through cement, steel, wood, glass, and more. - • **Professional & Consumer Ready:** Designed for both expert search & rescue and curious professionals alike. - • **Unmatched Audio Amplification:** Hear whispers through walls with up to 20,000x amplification. ## Overview The Solid Sound HY929 Player Version is a highly sensitive wall listening device capable of amplifying audio vibrations up to 20,000 times. It penetrates multiple materials including cement, steel, and wood, making it ideal for search and rescue operations or professional surveillance. With an adjustable sensitivity dial and no battery requirement, it offers easy, precise, and portable audio monitoring for both professionals and consumers. ## 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 - Highly sensitive partition audio monitor for listening to audio on the other side of walls. - Inputs for Recording Devices, Portable Device, Built by Generic. - Can Penetrate: Cement, Steel, Iron, Glass, Wood, and Brick. - Easy to use and appropriate for consumers and professionals. - Max Audio Amplification up to 20000x. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | BIG BOSSKK | | Is Discontinued By Manufacturer | No | | Style | standard edition | | Batteries Included? | No | | Batteries Required? | No | ## Images ![Solid Sound Picking up Amplifier Wall Listening Earthquake Building Landslide Search and Rescue Instrument Wall Listening Device HY929 Player Version (Recorded Edition) (standard edition) - Image 1](https://m.media-amazon.com/images/I/41aLLkNUrLL.jpg) ![Solid Sound Picking up Amplifier Wall Listening Earthquake Building Landslide Search and Rescue Instrument Wall Listening Device HY929 Player Version (Recorded Edition) (standard edition) - Image 2](https://m.media-amazon.com/images/I/41KKJ6MQzDL.jpg) ![Solid Sound Picking up Amplifier Wall Listening Earthquake Building Landslide Search and Rescue Instrument Wall Listening Device HY929 Player Version (Recorded Edition) (standard edition) - Image 3](https://m.media-amazon.com/images/I/51V6nlFHcVL.jpg) ![Solid Sound Picking up Amplifier Wall Listening Earthquake Building Landslide Search and Rescue Instrument Wall Listening Device HY929 Player Version (Recorded Edition) (standard edition) - Image 4](https://m.media-amazon.com/images/I/41Jj9-owqJL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/102888310-solid-sound-picking-up-amplifier-wall-listening-earthquake-building-landslide](https://www.desertcart.sn/products/102888310-solid-sound-picking-up-amplifier-wall-listening-earthquake-building-landslide) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-02*