--- product_id: 517947419 title: "Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System" brand: "xp aqua" price: "AR$659699" currency: ARS in_stock: true category: "Xp Aqua" url: https://www.desertcart.com.ar/products/517947419-duetto-2-dual-sensor-complete-aquarium-auto-top-off-ato store_origin: AR region: Argentina --- # Dual-optical sensor for pinpoint water level accuracy Magnetic coupling for effortless, tool-free installation Two-layer overfill protection with smart QST programming Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System **Brand:** xp aqua **Price:** AR$659699 **Availability:** ✅ In Stock ## Summary > 💧 Keep your aquarium flawless with the tiniest titan of water control! ## Quick Answers - **What is this?** Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System by xp aqua - **How much does it cost?** AR$659699 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/517947419-duetto-2-dual-sensor-complete-aquarium-auto-top-off-ato) ## Best For - xp aqua enthusiasts ## Why This Product - Trusted xp aqua brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Stainless steel durability and improved sensor design keep your system running strong, year after year. - • **Space-Savvy Design:** World’s smallest dual-sensor ATO fits sleek modern tanks without cramping your style or space. - • **Overfill? Not Here.:** Double-layer safety and intelligent programming mean zero spills, zero stress—your tank’s safety net. - • **Precision Perfected:** Dual-sensor tech guarantees your aquarium’s water level stays flawless—no guesswork, just pure control. - • **Plug & Play Simplicity:** Set up in seconds with magnetic mounts and no programming needed—because your time is precious. ## Overview The Duetto 2 Dual-Sensor ATO System by XP Aqua is the world’s smallest and most precise auto top-off solution, featuring dual-optical sensors for exact water level maintenance, dual overfill protection with smart QST programming, and a durable stainless steel build. Its plug-and-play magnetic installation makes setup effortless, while its compact design fits seamlessly into any modern aquarium setup, ensuring your aquatic environment stays perfectly balanced with minimal effort. ## Description World’s Smallest Dual-Sensor Aquarium Auto Top Off Features - NEW! Controller programming & circuitry for added system protection - NEW! Improved sensor design for longer durability - World’s smallest dual-sensor ATO - Two layers overfill protection - Intelligent QST programming - Secondary optical sensor - Super precise water level control - Super easy installation; plug-and-play - No programming or adjustments required - Works in complete darkness Why Choose Duetto2 ATO ? With huge features jammed in a tiny package, the Duetto2 is the perfect ATO for your aquarium. XPAqua’s proprietary dual-optical sensor packs two precise level sensors in one incredibly small package. In addition to keeping your water level constant, the two sensors also work in concert with the intelligent QST programming to help prevent overfilling. All the installation parts are included and a magnetic coupling allows you to easily mount or adjust the dual-sensor. Installation takes just seconds so you can spend less time working on your aquarium and spend more time enjoying your aquarium. Specifications: - Power Adapter: - Power Input : 100-240 VAC, 50-60 Hz - Cable Length : 6 ft (180 cm) - DC Pump : - Head : 8.2 ft (250 cm) - Flow Rate : 74 gph (280 lph) - Power : 4.8 W @ 12 VDC - Cable Length : 6 ft (180 cm) - Max. Mounting Thickness : 1/2” (12.7 mm) - Length of Cable between Sensor and Controller : 6 ft (180 cm) ## Features - Dual-Sensor Precision: Enjoy super precise water level control with our proprietary dual-optical sensor, ensuring your aquarium's water level remains constant - Overfill Protection: Rest easy with two layers of overfill protection and intelligent QST programming that prevents overfilling - Easy Installation: Experience hassle-free setup with plug-and-play functionality and a magnetic coupling for easy mounting or adjustment - Durable Design: Benefit from an improved sensor design for longer durability and a stainless steel material for lasting performance - Compact Size: Save space with the world's smallest dual-sensor ATO system, perfect for modern, sleek aquariums ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BWL74PD4 | | Best Sellers Rank | #76,843 in Pet Supplies ( See Top 100 in Pet Supplies ) #143 in Aquariums #272 in Aquarium Water Pumps | | Brand Name | XP Aqua | | Color | Black | | Customer Reviews | 4.0 4.0 out of 5 stars (60) | | Flow Rate | 74 gpm | | Item Weight | 1 pounds | | Manufacturer | XP Aqua | | Material Type | Stainless Steel | | Maximum Lifting Height | 8.2 feet | | Number of Items | 1 | | Power Source | Corded Electric | | Product Style | Submersible | | Unit Count | 1 Count | | Voltage | 240 volts | ## Product Details - **Brand:** XP Aqua - **Color:** Black - **Item Weight:** 1 pounds - **Manufacturer:** XP Aqua - **Material:** Stainless Steel - **Maximum Flow Rate:** 74 gpm - **Maximum Lifting Height:** 8.2 feet - **Power Source:** Corded Electric - **Style:** Submersible - **Voltage:** 240 volts ## Images ![Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System - Image 1](https://m.media-amazon.com/images/I/61N1ivoh-cL.jpg) ![Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System - Image 2](https://m.media-amazon.com/images/I/41+lo6b8wiL.jpg) ![Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System - Image 3](https://m.media-amazon.com/images/I/418WedjKrYL.jpg) ![Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System - Image 4](https://m.media-amazon.com/images/I/41VsEKszgfL.jpg) ![Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System - Image 5](https://m.media-amazon.com/images/I/41fcn9xneSL.jpg) ## Frequently Bought Together - XP Aqua Duetto 2 Dual-Sensor Complete Aquarium Auto Top Off ATO System - Seachem Stability Fish Tank Stabilizer - For Freshwater and Marine Aquariums, 16.9 Fl Oz (Pack of 1) - Seachem Prime Fresh and Saltwater Conditioner - Chemical Remover and Detoxifier 500 ml --- ## 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.com.ar/products/517947419-duetto-2-dual-sensor-complete-aquarium-auto-top-off-ato](https://www.desertcart.com.ar/products/517947419-duetto-2-dual-sensor-complete-aquarium-auto-top-off-ato) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-09-09*