--- product_id: 509440420 title: "2x50W +100W 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control Dual TPA3116 Chip DC 12-24V Bluetooth and AUX Inputs DIY Wireless Speakers AMP Board" brand: "wangcl" price: "$46.89" currency: USD in_stock: true category: "Wangcl" url: https://www.desertcart.us/products/509440420-2x50w-100w-2-1-channel-subwoofer-amplifier-board-with-treble store_origin: US region: United States of America --- # 200W max power output Bluetooth 5.0 with 49ft range Full multi-layer circuit protection 2x50W +100W 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control Dual TPA3116 Chip DC 12-24V Bluetooth and AUX Inputs DIY Wireless Speakers AMP Board **Brand:** wangcl **Price:** $46.89 **Availability:** ✅ In Stock ## Summary > 🔊 Elevate your sound game with power, precision, and wireless freedom! ## Quick Answers - **What is this?** 2x50W +100W 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control Dual TPA3116 Chip DC 12-24V Bluetooth and AUX Inputs DIY Wireless Speakers AMP Board by wangcl - **How much does it cost?** $46.89 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/509440420-2x50w-100w-2-1-channel-subwoofer-amplifier-board-with-treble) ## 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 - • **DIY Friendly Design:** Comes with protective shell, DC plug, screwdriver, and knobs—perfect for custom wireless speaker projects. - • **Powerhouse Performance:** 2x50W + 100W subwoofer output delivers room-filling sound with crystal clarity. - • **Rock-Solid Reliability:** Built-in overheat, reverse polarity, and voltage protections keep your setup safe and durable. - • **Precision Audio Control:** Integrated treble and bass knobs let you tailor your soundscape like a pro. - • **Seamless Wireless Connectivity:** Bluetooth 5.0 ensures stable streaming up to 49 feet—cut the cords, not the quality. ## Overview This 2.1 channel amplifier board features dual TPA3116D2 chips delivering 200W total power (2x50W stereo + 100W subwoofer) with less than 0.1% distortion. It supports Bluetooth 5.0 and AUX inputs, offering wireless streaming up to 49 feet. Designed for DIY wireless speaker builds, it includes treble and bass controls plus comprehensive circuit protections for safe, high-fidelity audio performance. ## Description 2x50W +100W 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control Dual TPA3116 Chip DC 12-24V Bluetooth and AUX Inputs DIY Wireless Speakers AMP BoardProduct Description:Adopt imported TPA3116D2 chips, with excellent power amplifier effect. The distortion is less than 0.1% even at high power output. modulation frequency up to 1.2MHZ, built-in LC filter capacitor to make the vocals clearer.Input Voltage: DC 12V-24V; Max Power Output: 50W*2（R&L）+100W(Subwoofer); Input Method: Bluetooth & AUX; Channel: 2.1 CH Stereo Output; Output Impedance：4-8Ω; Bluetooth Version: BT 5.0.Bluetooth 5.0 version, Transmission Distance Is Farther. The Transmission Distance Can Reach 49 Feet In An Open Environment.This Amp Board Has Overheat Protection, Reverse protection, Circuit Protection, Over-voltage and Under-voltage Protection.Specification:Color: As Pic ShownAMP Chip: 2*TPA3116D2Max Output Power: 2*50W+100WPower Supply: DC12~24VChannels: 2.1Output Impedance: 4~8ohmAudio Input: AUX / Bluetooth 5.0Packing List:1 X ZK-TB21 Power Amplifier Board1 X Protective Shell1 X DC Plug1 X Screwdriver5 X Knob ## Features - Adopt imported TPA3116D2 chips, with excellent power amplifier effect. - The distortion is less than 0.1% even at high power output. modulation frequency up to 1.2MHZ, built-in LC filter capacitor to make the vocals clearer. - Input Voltage: DC 12V-24V; Max Power Output: 50W*2（R&L）+100W(Subwoofer); Input Method: Bluetooth & AUX; Channel: 2.1 CH Stereo Output; Output Impedance：4-8Ω; Bluetooth Version: BT 5.0. - Bluetooth 5.0 version, Transmission Distance Is Farther. The Transmission Distance Can Reach 49 Feet In An Open Environment. - This Amp Board Has Overheat Protection, Reverse protection, Circuit Protection, Over-voltage and Under-voltage Protection. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09SL2X6DT | | Best Sellers Rank | #24,673 in Electronics ( See Top 100 in Electronics ) #52 in Home Audio Amplifiers | | Brand Name | WANGCL | | Customer Reviews | 4.2 4.2 out of 5 stars (177) | | Manufacturer | WANGCL | | Maximum Output Power | 200 watts | | Maximum Supply Voltage | 24 Volts | | Minimum Supply Voltage | 12 Volts (DC) | | Model | AUZ22914 | | Mounting Type | Surface Mount | | Number of Channels | 3 | | Output Power | 200 Watts | | Package Type Name | hard shell | | Part Number | AUZ22914 | | Specification Met | CE | | UPC | 610012476955 | | Unit Count | 1 Count | | Voltage | 24 Volts (DC) | ## Product Details - **Manufacturer:** WANGCL - **Maximum supply voltage:** 24 Volts - **Minimum supply voltage:** 12 Volts (DC) - **Mounting type:** Surface Mount - **Voltage:** 24 Volts (DC) ## Images ![2x50W +100W 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control Dual TPA3116 Chip DC 12-24V Bluetooth and AUX Inputs DIY Wireless Speakers AMP Board - Image 1](https://m.media-amazon.com/images/I/61INsQVCwEL.jpg) ## Frequently Bought Together - WANGCL 2x50W +100W 2.1 Channel Subwoofer Amplifier Board with Treble and Bass Control Dual TPA3116 Chip DC 12-24V Bluetooth and AUX Inputs DIY Wireless Speakers AMP Board - 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 - electrosmart 10m Red/Black 2x 1mm 2x 89 Strand Speaker Cable Wire for Home HiFi/Car Audio etc --- ## 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.us/products/509440420-2x50w-100w-2-1-channel-subwoofer-amplifier-board-with-treble](https://www.desertcart.us/products/509440420-2x50w-100w-2-1-channel-subwoofer-amplifier-board-with-treble) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-22*