--- product_id: 384738410 title: "Annadue Wireless Earbud Monitor System, 518‑554MHz 110‑240V Wireless Earphone Monitor Ear Return System, for Party Wedding Church Conference Speech(UK)" brand: "annadue" price: "21017385₫" currency: VND in_stock: true url: https://www.desertcart.vn/products/384738410-annadue-wireless-earbud-monitor-system-518-554mhz-110-240v-wireless store_origin: VN region: Vietnam --- # Annadue Wireless Earbud Monitor System, 518‑554MHz 110‑240V Wireless Earphone Monitor Ear Return System, for Party Wedding Church Conference Speech(UK) **Brand:** annadue **Price:** 21017385₫ **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Annadue Wireless Earbud Monitor System, 518‑554MHz 110‑240V Wireless Earphone Monitor Ear Return System, for Party Wedding Church Conference Speech(UK) by annadue - **How much does it cost?** 21017385₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/384738410-annadue-wireless-earbud-monitor-system-518-554mhz-110-240v-wireless) ## Best For - annadue enthusiasts ## Why This Product - Trusted annadue brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description How to Use: 1. Send the instrument and microphone signals (stage guitar/bass/drum/microphone vocal signals) from the stage to the mixer or PA system. 2. Connect the mixer output interface to the S3 transmitter input interface. 3. Set the S3 receiver and S3 transmitter to the same frequency, the receiver can receive the audio signal of the transmitter. 4. Each performer can use the S3 receiver to monitor the corresponding audio. Specification: Item Type: Wireless Earbud Monitor System Material: Iron Shell Frequency Range: 518-554MHz Headphone Output Interface: 3.5mm Stereo Jack Transmitter Power Supply: DC9V/500mA Receiver Working Time: More than 12 Hours Receiver Battery: 2xAA Batteries (Not Included) Operating Range: Approx. 100m/109.4yd (Open Environment without Obstruction) RF Transmit Power: <10nW Dynamic Range: 90dB Harmonic Distortion: <1% (1KHz, ±20KHz Frequency Deviation) Frequency Response: 40Hz-18KHz Headphone Output Power: 65m (32 OHM) Voltage: 110-240V Package List: 1 x S3 Transmitter 1 x S3 Receiver 1 x Power Adapter 1 x Manual 1 x Antenna 2 Pairs x Ear Caps 1 x Headset ## Features - Make sure this fits by entering your model number. - It's reliable RF connection coverage up to 100m,and it has a signal‑to‑noise ratio of up to 90 dB provides clear and complete audio. - No complicated menus, but simple volume and mixing control buttons, and transmitter and receiver are all metal shell, sturdy and durable. - There is no limit to the number of S3 receivers that can be used at the same frequency. - Small and portable, the wireless earbud monitor system has three different receiving modes for you to choice. - Each frequency band can use up to 8 sets of wireless monitoring systems at the same time. ## Images ![Annadue Wireless Earbud Monitor System, 518‑554MHz 110‑240V Wireless Earphone Monitor Ear Return System, for Party Wedding Church Conference Speech(UK) - Image 1](https://m.media-amazon.com/images/I/51-XZyXq6yL.jpg) ![Annadue Wireless Earbud Monitor System, 518‑554MHz 110‑240V Wireless Earphone Monitor Ear Return System, for Party Wedding Church Conference Speech(UK) - Image 2](https://m.media-amazon.com/images/I/61agXlTO-EL.jpg) ![Annadue Wireless Earbud Monitor System, 518‑554MHz 110‑240V Wireless Earphone Monitor Ear Return System, for Party Wedding Church Conference Speech(UK) - Image 3](https://m.media-amazon.com/images/I/61vZTP9h8dL.jpg) ![Annadue Wireless Earbud Monitor System, 518‑554MHz 110‑240V Wireless Earphone Monitor Ear Return System, for Party Wedding Church Conference Speech(UK) - Image 4](https://m.media-amazon.com/images/I/61jR8JC2MTL.jpg) ![Annadue Wireless Earbud Monitor System, 518‑554MHz 110‑240V Wireless Earphone Monitor Ear Return System, for Party Wedding Church Conference Speech(UK) - Image 5](https://m.media-amazon.com/images/I/61qhF1T3dAL.jpg) ## Available Options This product comes in different **Colour Name** options. --- ## 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.vn/products/384738410-annadue-wireless-earbud-monitor-system-518-554mhz-110-240v-wireless](https://www.desertcart.vn/products/384738410-annadue-wireless-earbud-monitor-system-518-554mhz-110-240v-wireless) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-21*