--- product_id: 486748381 title: "WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board" brand: "wangcl" price: "R$459" currency: BRL in_stock: true url: https://www.desertcart.com.br/products/486748381-wangcl-audio-amplifier-module-zk-mt21-2-1-channel-bluetooth store_origin: BR region: Brazil --- # 200W max output power Bluetooth 5.0 wireless connectivity Wide 12-24V operating voltage WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board **Brand:** wangcl **Price:** R$459 **Availability:** ✅ In Stock ## Summary > 🔊 Elevate your sound game with power, protection, and wireless freedom! ## Quick Answers - **What is this?** WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board by wangcl - **How much does it cost?** R$459 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/486748381-wangcl-audio-amplifier-module-zk-mt21-2-1-channel-bluetooth) ## Best For - wangcl enthusiasts ## Why This Product - Trusted wangcl brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Versatile:** Miniature 2.1 channel amp board fits effortlessly into home theaters, stores, or custom speaker setups. - • **Premium Build Quality:** Copper DC connectors and fence-type terminals handle high current with zero heat or wire damage. - • **Powerhouse Performance:** Delivers a robust 2x50W + 100W output for immersive sound that fills any space. - • **Smart Protection Suite:** Built-in safeguards against overheat, reverse polarity, over/under voltage ensure durability and peace of mind. - • **Seamless Wireless Streaming:** Bluetooth 5.0 tech with enhanced antenna design for crystal-clear, interference-free audio. ## Overview The ZK-MT21 is a compact 2.1 channel Bluetooth 5.0 digital amplifier module delivering up to 200W total output. It operates on a wide 12-24V DC range and features advanced protections against overheating, voltage irregularities, and reverse polarity. Designed with copper connectors and a robust antenna system, it ensures high efficiency, strong signal stability, and minimal interference. Ideal for upgrading home theaters, retail audio, or custom speaker projects, this mini amp combines powerful sound with reliable, long-lasting performance. ## Description Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier BoardProduct Description:This amp board has overheat, reverse, circuit, over-voltage and under-voltage protection to prevent complete failure.This can be mini amplifier board widely used in store solicitation, home theater, square speakers, etc.due to its excellent performance.Adopts copper DC connector and fence type terminal, which can withstand large current, no heat, no damage to the wire.Audio power amplifier with antenna and antenna base, the signal is better, the efficiency is high, and the anti-interference ability is strong.The wireless 5.0 digital amplifier board is operated by wide working voltage 12-24V, max output power 2X50W+100W.Specification:Color: As Pic ShownSize: 9.4x9x2.2 cm/3.70x3.54x0.87 inchModel: ZK-MT21Wireless Version: 5.0Audio Input: AUX + WirelessChannel: 2.1Input sensitivity: 500mVAdaption Supply Voltage: 12-24V / 5A aboveSpeaker: 20-100W, 4-8OhmPacking List:1 * Audio amplifier module (not assembled) ## Features - This amp board has overheat, reverse, circuit, over-voltage and under-voltage protection to prevent complete failure. - This can be mini amplifier board widely used in store solicitation, home theater, square speakers, etc.due to its excellent performance. - Adopts copper DC connector and fence type terminal, which can withstand large current, no heat, no damage to the wire. - Audio power amplifier with antenna and antenna base, the signal is better, the efficiency is high, and the anti-interference ability is strong. - The wireless 5.0 digital amplifier board is operated by wide working voltage 12-24V, max output power 2X50W+100W. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09SL33VYD | | Best Sellers Rank | 29,362 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 21 in Audio Amplifier | | Brand | WANGCL | | Customer Reviews | 4.0 4.0 out of 5 stars (589) | | Manufacturer | WANGCL | | Manufacturer Part Number | AUZ22917 | | Material | Copper | | Maximum Supply Voltage | 24 Volts | | Minimum Supply Voltage | 12 Volts (DC) | | Model Number | ZK-MT21 | | Mounting Type | Surface Mount | | Number of Channels | 2 | | Output Power | 200 Watts | | Package Type Name | Shipping Box" or "Envelope | | Specification Met | CE | | UPC | 610012476986 | | Voltage | 24 Volts | ## Product Details - **Manufacturer:** WANGCL - **Maximum supply voltage:** 24 Volts - **Minimum supply voltage:** 12 Volts (DC) - **Mounting type:** Surface Mount - **Voltage:** 24 Volts ## Images ![WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board - Image 1](https://m.media-amazon.com/images/I/51aLfHDx9eL.jpg) ![WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board - Image 2](https://m.media-amazon.com/images/I/61VTQ2c5ybL.jpg) ![WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board - Image 3](https://m.media-amazon.com/images/I/617xXUEUA4L.jpg) ![WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board - Image 4](https://m.media-amazon.com/images/I/61GvolrBxRL.jpg) ![WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board - Image 5](https://m.media-amazon.com/images/I/51-7IVzYlvL.jpg) ## Frequently Bought Together - WANGCL Audio Amplifier Module ZK-MT21 2.1 Channel Bluetooth Digital Power Amplifier Board - electrosmart 10m Red/Black 2x 1mm 2x 89 Strand Speaker Cable Wire for Home HiFi/Car Audio etc - 24V 6A DC Power Supply Adapter AC 100V~240V to DC 24 Volt 6 Amp 144W Converter Transformer 5.5x2.1mm Plug for LED Strip Light 3D Printer LED Driver LCD Monitor,Wireless Router,Security Cameras --- ## 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.br/products/486748381-wangcl-audio-amplifier-module-zk-mt21-2-1-channel-bluetooth](https://www.desertcart.com.br/products/486748381-wangcl-audio-amplifier-module-zk-mt21-2-1-channel-bluetooth) --- *Product available on Desertcart Brazil* *Store origin: BR* *Last updated: 2026-05-13*