--- product_id: 330190724 title: "Adafruit Stereo 20W Class D Audio Amplifier - MAX9744" brand: "adafruit" price: "€ 49.92" currency: EUR in_stock: true category: "Adafruit" url: https://www.desertcart.es/products/330190724-adafruit-stereo-20w-class-d-audio-amplifier-max9744 store_origin: ES region: Spain --- # Up to 93% efficiency 20W stereo output per channel Short circuit & thermal protection Adafruit Stereo 20W Class D Audio Amplifier - MAX9744 **Brand:** adafruit **Price:** € 49.92 **Availability:** ✅ In Stock ## Summary > 🔊 Amplify your audio game with power, precision, and protection! ## Quick Answers - **What is this?** Adafruit Stereo 20W Class D Audio Amplifier - MAX9744 by adafruit - **How much does it cost?** € 49.92 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/330190724-adafruit-stereo-20w-class-d-audio-amplifier-max9744) ## Best For - adafruit enthusiasts ## Why This Product - Trusted adafruit brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built-In Safety:** Stay worry-free with integrated short circuit and thermal overload protection. - • **Smart Volume Control:** Seamlessly adjust volume via analog pot or 64-step I2C digital commands. - • **Compact & Cool-Running:** Slim, heat-sink-free design perfect for portable and battery-powered setups. - • **Dual-Channel 20W Output:** Drive two 4-8Ω speakers with crisp, distortion-free 20W stereo power. - • **Power-Packed Efficiency:** Maximize your sound with up to 93% power efficiency—less heat, more play. ## Overview The Adafruit MAX9744 is a compact Class D stereo amplifier delivering 20W per channel at 4-8Ω loads with up to 93% efficiency. It supports both analog and digital volume control, features integrated click/pop suppression, and includes robust short circuit and thermal protection. Ideal for portable or battery-powered audio projects, this breakout board requires minimal assembly and offers professional-grade sound performance in a sleek, cool-running package. ## Description This 20W stereo amplifier is a slim board has a class D amplifier onboard that can drive 2 channels of 4-8 ohm impedance speakers at 20W each. Power it with 5-12VDC using the onboard DC power jack and plug stereo line level into the 3.5mm stereo headphone jack and jam out with ease. Since it's class D, its completely cool-running, no heat sinks are required and it's extremely efficient - up to 93% efficiency makes it great for portable or battery powered rigs.The MAX9744 amplifier is very easy to use and has both analog and digital volume control capability. Use a single 1KΩ pot (included) to adjust volume analog-style or hook it up to a microcontroller and send I2C commands to set 64-steps of volume amplification.The MAX9744 has been mounted into a breakout, with polarity-protection, jacks and terminal blocks, i2c level shifting, and a spot to solder in a volume potentiometer. Each order comes with one MAX9744 breakout board with all surface-mount parts fully assembled and d, 3 x 2pin and 1 x 3pin terminal blocks, a 470uF power filter capacitor and 1KΩ trim potentiometer.Note: To use this board, a little soldering is required to attach the terminal blocks and other components, but its fairly easy and expect it should take less than 15 minutes. ## Features - Power From 4.5V 14V Dc Voltage - Up To 93% Efficient (88 93% Typical) - 20Ma Quiescent Current (Or Put Into Shutdown For 1Ua Quiescent) - Up To 29.5Db Max n - Use Dc Or Ac Coupled Line Level Input, Up To 3Vpp.Filterless Spread Spectrum Modulation Lowers.20W Stereo Output (4&Amp;Omega;, Vdd 12V, Thd+N 10%).Low 0.04% Thd+N.Integrated Click And Pop Suppression.Short Circuit And Thermal Overload Protection ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00SK8OH30 | | Best Sellers Rank | #170,248 in Electronics ( See Top 100 in Electronics ) #536 in Home Audio Amplifiers | | Brand Name | Adafruit | | Customer Reviews | 4.3 4.3 out of 5 stars (57) | | Item Dimensions | 41 x 54 x 2 millimeters | | Item Weight | 9 g | | Manufacturer | Adafruit | | Minimum Supply Voltage | 4.5 Volts | | Model | 1752 | | Mounting Type | Surface Mount | | Number of Channels | 2 | | Part Number | 1752 | | UPC | 701980281716 | | Unit Count | 1 Count | | Voltage | 14 Volts | ## Product Details - **Item dimensions L x W x H:** 41 x 54 x 2 millimeters - **Manufacturer:** Adafruit - **Minimum supply voltage:** 4.5 Volts - **Mounting type:** Surface Mount - **Voltage:** 14 Volts ## Images ![Adafruit Stereo 20W Class D Audio Amplifier - MAX9744 - Image 1](https://m.media-amazon.com/images/I/71Lvp3S6KIL.jpg) ## Frequently Bought Together - Adafruit 1752 Development Board Accessories (Audio Amplifier, 41mm, 54mm, 2mm, 11g) - ELEGOO 120pcs Multicolored Dupont Wire 40pin Male to Female, 40pin Male to Male, 40pin Female to Female Breadboard Jumper Ribbon Cables Kit Compatible with Arduino Projects - EDGELEC 120pcs Breadboard Jumper Wires 20cm Wire Length Optional Dupont Cable Assorted Kit Male to Female Male to Male Female to Female Multicolored Ribbon Cables --- ## 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.es/products/330190724-adafruit-stereo-20w-class-d-audio-amplifier-max9744](https://www.desertcart.es/products/330190724-adafruit-stereo-20w-class-d-audio-amplifier-max9744) --- *Product available on Desertcart Spain* *Store origin: ES* *Last updated: 2026-09-11*