--- product_id: 618375245 title: "Window Speaker Intercom System Anti-Interference Dual Way Intercommunication Microphone and Speaker Interphone Mute Function Bank Window Intercom for Office, Restaurant, Store, Bank" brand: "koqicall" price: "€ 158.17" currency: EUR in_stock: true reviews_count: 5 category: "Koqicall" url: https://www.desertcart.be/products/618375245-window-speaker-intercom-system-anti-interference-dual-way-intercommunication-microphone store_origin: BE region: Belgium --- # Clear stereo sound output Simple plug & play setup High-sensitive dual mics Window Speaker Intercom System Anti-Interference Dual Way Intercommunication Microphone and Speaker Interphone Mute Function Bank Window Intercom for Office, Restaurant, Store, Bank **Brand:** koqicall **Price:** € 158.17 **Availability:** ✅ In Stock ## Summary > 🎧 Elevate your counter communication—never miss a word, never lose a customer! ## Quick Answers - **What is this?** Window Speaker Intercom System Anti-Interference Dual Way Intercommunication Microphone and Speaker Interphone Mute Function Bank Window Intercom for Office, Restaurant, Store, Bank by koqicall - **How much does it cost?** € 158.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/618375245-window-speaker-intercom-system-anti-interference-dual-way-intercommunication-microphone) ## Best For - koqicall enthusiasts ## Why This Product - Trusted koqicall brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Voice Control:** Adjust volume independently on both sides with intuitive knob controls for perfect clarity. - • **Plug & Play Installation:** Get up and running instantly with a single wire connection and flexible mic cable. - • **Mute Function for Privacy:** Toggle mute on either side to control conversations discreetly when needed. - • **Versatile Professional Use:** Ideal for banks, hospitals, ticket offices, and any secure counter environment. - • **Crystal-Clear Dual-Way Communication:** Experience seamless, noise-free conversations with advanced mic and speaker tech. ## Overview The KOQICALL E350 Window Speaker Intercom System delivers crystal-clear, dual-way audio communication with advanced noise-cancellation and mute functions. Designed for professional environments like banks and hospitals, it features easy plug-and-play installation, independent volume controls, and a high-sensitive microphone for flawless conversations through security windows. ## Description You can use the conversation between the inside and outside of the window for the customers' evaluation of the salespersons, and for the supervisor's evaluation of each window. 1.Usage: the bank staff use the master station to talk with guests, and the guest use the substation can talk with bank staff as well. 2.Installation: the master station is installed in the working place and the sub station out of the working room. 3.Application: bank, stock office, hospital, post office, Box office, Toll station, etc. Functions and Features: 1)Hands-free two-way talkback with full automaticity, microphone is clear for both side; 2)Microcomputer controlled circuit with squelch function, can solve echo and squeal problems; 3)Adopts high-powered mic, the voice is lifelike and clear; 4)Easy installation, there is only one wire for master station and substation connection. 5)Volume of master station and substation can be adjusted separately. 6)With recorder jack, can output both route's sound and signal. 7)Have individual button to turn ON/OFF MUTE function for both of side When you turn on Outside "mute" key, outside guest can’t hear inside voice. Also when you turn on Inside "mute" key, inside worker can’t hear outside voice. Specification: Working voltage: DC12V/0.5A Input voltage: AC 110-240V Work power: 2W, 100Hz-15Khz Inside microphone: -48db 20Hz-20Khz Outside microphone: -48db 20Hz-16Khz Cable length: 3M Main base Dimension: 162*110*40mm Substation dimension: 80*20mm Material: plastic Packaging List: 1 x Dual-way counter interphone 1 x External speaker 1 x Charger 4 x Adhesive 1 x English User Manual Review: work great right out of the box- we ordered additional units. Review: Co-workers liked it a lot as well. Clear speaker ## Features - Knob Voice Adjustment, can adjust voice by worker freely. Signals can transmit simultaneously from different directions, window speaker system can automatically recognize and process the speech signals; Much clear sound and less statics. - High-sensitive Microphone, Loud and Clear Voice; This system adopt the advanced microcomputer. It has good speaker and high-sensitive microphone. Especially the microphone is deal for the counter and the dual-way inter-communication. The voice is clear and natural, anti-interruption and noise-free function. - Easy to use: Just need to insert power adapter into outlet and connect outside speaker to the main station; The microphone cable is flexible. - Dual-way Audio Record: Inside and outside two-way voice signal output(recording by the bank teller), a stereo jack output mode can prevent the voice recording function from controlled by the power switch and the function buttons. In addition, Have individual key to turn ON/OFF MUTE function for both of side. - Application: It suitable for the Bank window, Ticket offices, Hospital window, Post office window, Securities window, Embassy visa office, Securities Company, Hospital, Station where the security glazing is installed. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08LKLFZDF | | Age Range Description | Adult | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Stereo | | Brand | KOQICALL | | Built-In Media | Dual-way counter interphone, External speaker, Charger, 4 x Adhesive, English User Manual | | Color | E350 black | | Compatible Devices | Desktop, Laptop, MP3 Player, Smartphone, Tablet | | Connectivity Protocol | Auxiliary | | Connectivity Technology | Auxiliary | | Customer Reviews | 4.0 4.0 out of 5 stars (73) | | Enclosure Material | Plastic | | Item Weight | 0.55 Kilograms | | MP3 player | No | | Model Name | E350 | | Model Number | E350-B | | Mounting Type | Wall Mount | | Number of Audio Channels | 2.0 | | Processor Count | 1 | | Series Number | 350 | | Speaker Maximum Output Power | 2 Watts | | Speaker Type | Multimedia | | UPC | 661757251697 | | Unit Count | 1.0 Count | | Warranty Type | Limited | | Wireless Technology | Bluetooth | ## Product Details - **Audio output mode:** Stereo - **Brand:** KOQICALL - **Connectivity technology:** Auxiliary - **Mounting type:** Wall Mount - **Speaker maximum output power:** 2 Watts ## Images ![Window Speaker Intercom System Anti-Interference Dual Way Intercommunication Microphone and Speaker Interphone Mute Function Bank Window Intercom for Office, Restaurant, Store, Bank - Image 1](https://m.media-amazon.com/images/I/61n7L6O4GQL.jpg) ## Questions & Answers **Q: where can i get a second outdoor station** A: this window intercom include 1 desk station and 1 outdoor station (substation for customer), and the desk station have 2 port (EXT1 and EXT2) to connect 2 substation. Need additional purchase if want the second outdoor station. **Q: I need a longer wire?** A: it is 1.8M for the substation default, we will extend it to 3M in the near future. you can use 1.8M if don't need more longer. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***D on 21 November 2022* work great right out of the box- we ordered additional units. ### ⭐⭐⭐⭐⭐ Review *by A***R on 10 April 2022* Co-workers liked it a lot as well. Clear speaker ### ⭐ Review *by H***O on 29 September 2024* Did not work for us. ## Frequently Bought Together - KOQICALL Window Speaker Intercom System, Window Intercom, Anti-Interference Dual Way Intercommunication Microphone and Speaker Interphone Mute Function Black for Bank, Office, Restaurant, Store - DESHUN Window intercom, Window Speakers, Dual-Way Window Counter intercom Microphone, for The Business/Bank/Office/Hospital/Station/Catering/Ticket Window to Provide Communication Solutions - LiwCho Dual-Way Window Intercom System,High Power Speaker,Microphone Speaker for Teller Window, Two Way Interphone for Bank,Hospital,Business,Office. --- ## 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.be/products/618375245-window-speaker-intercom-system-anti-interference-dual-way-intercommunication-microphone](https://www.desertcart.be/products/618375245-window-speaker-intercom-system-anti-interference-dual-way-intercommunication-microphone) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-05-26*