--- product_id: 185491923 title: "CQRobot Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, JST-PH2.0 I..." brand: "cqrobot" price: "R355" currency: ZAR in_stock: true reviews_count: 13 category: "Cq Robot" url: https://www.desertcart.co.za/products/185491923-cqrobot-speaker-3-watt-4-ohm-compatible-with-arduino-motherboard store_origin: ZA region: South Africa --- # 4Ω impedance 70mm compact size 3W max power CQRobot Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, JST-PH2.0 I... **Brand:** cqrobot **Price:** R355 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate your DIY sound game with compact power and pro-level clarity! ## Quick Answers - **What is this?** CQRobot Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, JST-PH2.0 I... by cqrobot - **How much does it cost?** R355 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/185491923-cqrobot-speaker-3-watt-4-ohm-compatible-with-arduino-motherboard) ## Best For - cqrobot enthusiasts ## Why This Product - Trusted cqrobot brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Versatile:** Slim 70mm x 31mm footprint fits seamlessly into Arduino, Raspberry Pi, and robotics setups. - • **Power-Packed Clarity:** 3 Watts RMS delivers surprisingly loud, crisp sound for your DIY projects. - • **Engineered for Makers:** Durable enclosure with 4 mounting holes ensures secure installation in any project. - • **Plug & Play Simplicity:** Equipped with JST PH2.0 2-pin connectors for hassle-free integration. - • **Pro-Grade Compatibility:** Optimized for a wide range of devices including advertising machines and game consoles. ## Overview The CQRobot Enclosed Speaker is a compact, 3 Watt RMS, 4 Ohm dynamic driver designed for seamless integration with Arduino, Raspberry Pi, and other electronic projects. Featuring a durable enclosure, JST PH2.0 connectors, and a slim 70mm x 31mm profile, it delivers clear, loud stereo sound ideal for robotics, gaming, and advertising applications. ## Description desertcart.com: CQRobot Enclosed Speakers 3 Watt RMS 4 Ohm for Arduino 70mm (L)×31mm (W) | Front-Firing, JST PH2.0 2-Pin Lead Wires, Rectangular, 4 Corner Mounting Holes, for Electronic DIY Projects, 1 Pair : Electronics Review: Good value - paired with the amp on a raspi for my local AI machine these are LOUD and CLEAR for their size and price. Review: Very clean sound - They sound great! I was surprised. I replaced an older speaker that was larger on my G scale train with this one. Very pleased with the sound. ## Features - Power: Rated Power / Maximum Power 2.0W / 3.0W. - Impedance: 4 Ohms Plus/Minus 15%. - Size: 70 mm * 31 mm * 16 mm / 3.1 inch * 1.2 inch * 0.63 inch (L* W * T). - Compatible With Arduino, Robot, Raspberry Pi, Advertising Machine, Game Machine, Integrated Machine Special Speaker etc, Projects. - For more information, please refer to the Wiki page: Stereo_Enclosed_Speaker_(3_W,_8_ohm)-CQR0508. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0822Z4LPH | | Antenna Location | electronic projects, DIY robotics, Arduino, Raspberry Pi, and Robot | | Audio Driver Size | 7 centimeters | | Audio Driver Type | Dynamic Driver | | Audio Output Mode | Stereo | | Best Sellers Rank | #42 in Speaker Parts & Components #211 in Single Board Computers (Computers & Accessories) | | Brand | CQRobot | | Built-In Media | 2 passive speakers with JST PH2.0 2-Pin interface | | Color | Speaker 3 Watt 4 Ohm-JST-PH2.0 Interface | | Compatible Devices | Custom - Makers & Electronic Devices (Arduino, Robot, Raspberry Pi, Advertising Machine, Game Machine, Integrated Machine, Special Speaker Projects) | | Connectivity Protocol | Wi-Fi | | Connectivity Technology | Wired | | Control Method | Touch | | Customer Reviews | 4.5 out of 5 stars 113 Reviews | | Enclosure Material | Plastic Or Lightweight Metal | | Frequency Response | 500 hertz | | Impedance | 4 ohm | | Is Waterproof | FALSE | | Item Dimensions D x W x H | 1.2"D x 3.1"W x 0.63"H | | Item Weight | 24 g | | Manufacturer | CQRobot | | Model Name | CQRLB4O3W-A | | Model Number | CQRLB4O3W-A | | Mounting Type | Wall Mount | | Number Of Circuits | 1 | | Number of Audio Channels | 2, 3.1 | | Number of Items | 1 | | Number of Power Levels | 1 | | Power Source | Corded Electric | | Speaker Maximum Output Power | 3 watts | | Speaker Size | 7 centimeters | | Speaker Type | Component | | Specific Uses For Product | Arduino projects, Robot projects, Raspberry Pi projects, Advertising Machines, Game Machines, Integrated Machine Special Speaker projects | | Subwoofer Connectivity Technology | Wired | | Warranty Type | Limited | | Wireless Technology | Wi-Fi | | Woofer Diameter | 7 centimeters | ## Product Details - **Audio Output Mode:** Stereo - **Brand:** CQRobot - **Connectivity Technology:** Wired - **Frequency Response:** 500 Hz - **Speaker Maximum Output Power:** 3 Watts ## Images ![CQRobot Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, JST-PH2.0 I... - Image 1](https://m.media-amazon.com/images/I/51SHq4cxptL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good value *by E***Q on September 12, 2026* paired with the amp on a raspi for my local AI machine these are LOUD and CLEAR for their size and price. ### ⭐⭐⭐⭐⭐ Very clean sound *by S***. on May 4, 2025* They sound great! I was surprised. I replaced an older speaker that was larger on my G scale train with this one. Very pleased with the sound. ### ⭐⭐⭐⭐⭐ Sounds great *by C***N on February 4, 2024* Sounds awesome, only downside is it's a thic boii. Wish it was half the thickness but beggers can't be choosers. ## Frequently Bought Together - CQRobot Speaker 3 Watt 4 Ohm Compatible with Arduino Motherboard, JST-PH2.0 Interface. It is Ideal for a Variety of Small Electronic Projects. - Vilros Heavy Duty Hammer-in Pin Header Install Rig for Raspberry Pi Zero, Zero W & Zero W 2 – Includes 2X 40 Pin Male Headers – No Soldering Required – Easy Installation for Raspberry Pi Projects --- ## 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.co.za/products/185491923-cqrobot-speaker-3-watt-4-ohm-compatible-with-arduino-motherboard](https://www.desertcart.co.za/products/185491923-cqrobot-speaker-3-watt-4-ohm-compatible-with-arduino-motherboard) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-30*