--- product_id: 806192172 title: "8002A Audio Amplifier and Speaker Module, Plug-and-Play DAC Speaker, 3W Mono Class D Power Amp Board, 90dB SNR, Compatible with ESP32, Raspberry Pi, Arduino" brand: "nulllab" price: "₨8332" currency: LKR in_stock: true category: "Nulllab" url: https://www.desertcart.lk/products/806192172-8002a-audio-amplifier-and-speaker-module-plug-and-play-dac store_origin: LK region: Sri Lanka --- # ≥90dB Signal-to-Noise Ratio 3W Mono Class D Power 2.5V-5.5V Battery Friendly 8002A Audio Amplifier and Speaker Module, Plug-and-Play DAC Speaker, 3W Mono Class D Power Amp Board, 90dB SNR, Compatible with ESP32, Raspberry Pi, Arduino **Brand:** nulllab **Price:** ₨8332 **Availability:** ✅ In Stock ## Summary > 🎧 Elevate your sound game with plug-and-play power! ## Quick Answers - **What is this?** 8002A Audio Amplifier and Speaker Module, Plug-and-Play DAC Speaker, 3W Mono Class D Power Amp Board, 90dB SNR, Compatible with ESP32, Raspberry Pi, Arduino by nulllab - **How much does it cost?** ₨8332 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/806192172-8002a-audio-amplifier-and-speaker-module-plug-and-play-dac) ## Best For - nulllab enthusiasts ## Why This Product - Trusted nulllab brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Power-Efficient & Portable:** Operates on a wide DC voltage range (2.5V-5.5V), perfect for battery-powered IoT projects. - • **Crystal-Clear Audio Fidelity:** Experience ultra-low distortion (THD ≤ 0.3%) and high SNR for pristine sound clarity. - • **Creative Lego-Compatible Design:** Freestanding module with a brick base to inspire your next DIY tech masterpiece. - • **Plug-and-Play Microcontroller Ready:** Seamlessly integrates with ESP32, Raspberry Pi & Arduino for instant audio innovation. - • **Built-In Protection & Adaptive Filtering:** Safeguards your devices with over-current protection and interference minimization. ## Overview The 8002A Audio Amplifier and Speaker Module delivers 3W of clear mono sound with a high 90dB SNR and ultra-low distortion, designed for seamless integration with popular microcontrollers like ESP32, Raspberry Pi, and Arduino. Its low-voltage operation and built-in protections make it ideal for portable, battery-powered IoT devices, while the Lego-compatible base adds a creative edge to your tech projects. ## Description 8002A Audio Amplifier and Speaker Module, Plug-and-Play DAC Speaker, 3W Mono Class D Power Amp Board, 90dB SNR, Compatible with ESP32, Raspberry Pi, ArduinoDocs: github.com/nulllaborg/8002a-amp-speaker ## Features - High Performance & Low Distortion. Delivers up to 3W mono output with the 8002A chip. Features (SNR) ≥ 90dB SNR and (THD) ≤ 0.3%, providing clear, high-fidelity sound. - DC 2.5V-5.5V. Ideal for battery-powered IoT devices and low-power portable speaker applications. Docs: github.com/nulllaborg/8002a-amp-speaker - Plug-and-Play for Microcontrollers. Easy connects to ESP32 (DAC GPIO25/26), Raspberry Pi, and Arduino. Includes PH2.0 3-pin to DuPont and 3.5mm adapter cables. - Integrated adaptive filtering to minimize interference and over-current protection. Protects your development board while maintaining consistent audio output. - Lego-compatible brick base, perfect for creative building. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0GGBXRV2X | | Best Sellers Rank | #112,452 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #32 in Audio Amplifiers | | Brand | NULLLAB | | Brand Name | NULLLAB | | Included Components | Amp & Speaker Module; Brick Base;PH2.0 to Dupont Cable;3.5mm to PH2.0 Cable | | Manufacturer | Kongxiang Laboratory Technology (Shenzhen) Co., LTD | | Maximum Output Power | 3 watts | | Maximum Supply Voltage | 5.5 Volts (DC) | | Minimum Supply Voltage | 2.5 Volts (DC) | | Mounting Type | Freestanding | | Number of Channels | 1 | | Output Power | 3 Watts | | Part Number | DAC-Speaker-Module | | Specification Met | Technical Specifications Met | | UPC | 760790161762 | | Unit Count | 1.0 Count | | Warranty Description | 1 Year | ## Product Details - **Brand:** NULLLAB - **Manufacturer:** Kongxiang Laboratory Technology (Shenzhen) Co., LTD - **Maximum Supply Voltage:** 5.5 Volts (DC) - **Minimum Supply Voltage:** 2.5 Volts (DC) - **Mounting Type:** Freestanding ## Images ![8002A Audio Amplifier and Speaker Module, Plug-and-Play DAC Speaker, 3W Mono Class D Power Amp Board, 90dB SNR, Compatible with ESP32, Raspberry Pi, Arduino - Image 1](https://m.media-amazon.com/images/I/610+J+ujSkL.jpg) --- ## 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.lk/products/806192172-8002a-audio-amplifier-and-speaker-module-plug-and-play-dac](https://www.desertcart.lk/products/806192172-8002a-audio-amplifier-and-speaker-module-plug-and-play-dac) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-07-25*