--- product_id: 103753970 title: "TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V 250W+100W" brand: "electronicstorm" price: "āļŋ4111" currency: THB in_stock: true category: "Industrial" url: https://www.desertcart.co.th/products/103753970-tpa3116-subwoofer-amplifier-board-2-1-channel-high-power-bluetooth store_origin: TH region: Thailand --- # TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V 250W+100W **Brand:** electronicstorm **Price:** āļŋ4111 **Availability:** ✅ In Stock ## Quick Answers - **What is this?** TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V 250W+100W by electronicstorm - **How much does it cost?** āļŋ4111 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/103753970-tpa3116-subwoofer-amplifier-board-2-1-channel-high-power-bluetooth) ## Best For - electronicstorm enthusiasts ## Why This Product - Trusted electronicstorm brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Product description: 1.This is a DC-powered 12-24V power supply, using TI's TPA3116D2 high-performance digital power amplifier chip as the core, one to do parallel bridged bass channel power amplification output, one to do left and right channel power amplification output. support 100W (bass channel) + 50W (left channel) + 50W (right channel) three-channel output.2.Support Bluetooth audio reception, external audio input interface, with preamplifier, bass crossover processing; bass volume, bass frequency, left and right channel volume, treble, function control switch / total volume, 5 adjustment potentiometers.3.Wide working voltage, energy-saving design, efficiency up to 90%. You can use a good performance switching power supply, laptop switching power supply, you can also use a charging bottle, or car power supply, etc...4.The board is a finished board that has been soldered and tested. Connect the speaker box according to the picture, connect the appropriate power supply, connect to the Bluetooth audio device to play, or connect the sound source input correctly.​5.Bluetooth 4.2 version. The main product parameters: Size (L * W * H): 101 x 100 x 25mm, excluding potentiometer and socket projection Operating voltage range: DC 11-25V (current 3-4A, or 19-24V / 4-5A, such as high power requirements 20-24V / 8-9A above) Note that the DCno-load voltage should not be greater than 25.5V. Bluetooth receiving distance:> 8 m (meters) Audio input sensitivity: 600-800mV Frequency response range: 20Hz-20KHz Speaker impedance: left and right channel speakers: 4-8 ohm, bass speaker impedance: 2-8 ohm The output power is related to the supply voltage/current, the speaker impedance, and the size of the audio input. When the power supply voltage/current is sufficient, usually the power supp ## Features - The item is good quality.Test before shipping. - we will test the product Before shipping.Estimated Delivery Time: 6-24 days(trackable)----- We provide Expedited Shipping service : 3-8 days.(excluding handling time).If the order amount above US $120, we will use Expedited Shipping service for free. - We are a professional distributor of electronic components. We also sell other kinds of products. just search the model number in our store. - We make every effort to provide customers with satisfactory service.any question,please feel free to contact me. ## Images ![TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V 250W+100W - Image 1](https://images-na.ssl-images-amazon.com/images/I/614bWQrDTJL.jpg) ![TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V 250W+100W - Image 2](https://images-na.ssl-images-amazon.com/images/I/61FV5X9k58L.jpg) ![TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V 250W+100W - Image 3](https://images-na.ssl-images-amazon.com/images/I/61cx7tjEwLL.jpg) ![TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V 250W+100W - Image 4](https://images-na.ssl-images-amazon.com/images/I/61zmHIArXAL.jpg) ![TPA3116 Subwoofer Amplifier Board 2.1 Channel High Power Bluetooth 4.2 Audio Amplifier Board DC12V-24V 250W+100W - Image 5](https://images-na.ssl-images-amazon.com/images/I/61sAp%2BBzBxL.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.co.th/products/103753970-tpa3116-subwoofer-amplifier-board-2-1-channel-high-power-bluetooth](https://www.desertcart.co.th/products/103753970-tpa3116-subwoofer-amplifier-board-2-1-channel-high-power-bluetooth) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-29*