--- product_id: 90268845 title: "Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly" brand: "tech and trade" price: "€ 35.00" currency: EUR in_stock: true reviews_count: 2 category: "Tech And Trade" url: https://www.desertcart.com.cy/products/90268845-tech-and-trade-250w-diy-2n3055-transistor-based-audio-amplifier store_origin: CY region: Cyprus --- # 250W peak power output Heavy gauge aluminum heat sink for optimal cooling 4 potentiometers for bass, treble, volume, balance Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly **Brand:** tech and trade **Price:** € 35.00 **Availability:** ✅ In Stock ## Summary > 🎵 Amplify your vibe with power and precision! ## Quick Answers - **What is this?** Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly by tech and trade - **How much does it cost?** € 35.00 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/90268845-tech-and-trade-250w-diy-2n3055-transistor-based-audio-amplifier) ## Best For - tech and trade enthusiasts ## Why This Product - Trusted tech and trade brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last Cool:** Heavy-duty aluminum heat sink ensures your amplifier stays cool under pressure. - • **Stereo Sound Mastery:** Dual-channel output provides crisp, balanced audio for 4-ohm speakers. - • **Plug & Play Simplicity:** Pre-assembled potentiometers and transistor setup make installation effortless. - • **Precision Audio Control:** Fine-tune your listening experience with dedicated bass, treble, volume, and balance knobs. - • **Power-Packed Performance:** Delivers a robust 250W stereo output to energize your sound setup. ## Overview This 250W DIY stereo audio amplifier board features four robust 2N3055 transistors paired with a heavy-duty aluminum heat sink for superior heat dissipation. It offers dedicated controls for bass, treble, volume, and balance, enabling precise sound customization. Designed for easy installation, it supports 24V DC input and delivers powerful stereo output optimized for 4-ohm speakers, making it a perfect upgrade for audiophiles and DIY enthusiasts alike. ## Description THIS IS AN AUDIO AMPLIFIER CIRCUIT BOARD BASED ON 2n3055 TRANSISTORS. THIS BOARD USES FOUR 2n3055 TRANSISTORS AND A 24 VOLTS DC POWER SUPPLY TO GENERATE AN OUTPUT OF ABOUT 250 WATTS. THIS BOARD HAS SEPARATE CONTROLS FOR BASS, TREBLE, VOLUME AND BALANCE. THESE CONTROLS ARE OPERATED BY FOUR POTENTIOMETERS, ALSO KNOWN AS TONES. THIS BOARD HAS STEREO OUTPUT. BOTH THE CHANNELS PROVIDE ABOUT 150 WATTS AT FOR 4 OHMS SPEAKERS. THIS BOARD IS VERY EASY TO INSTALL. THE MAIN BOARD CONTAINS ALL THE NECESSARY AMPLIFIER COMPONENTS. THE MAIN BOARD HAS THE CONTROLLING CONNECTIONS OF VOLUME, BASS, TREBLE BALANCE ETC. THIS BOARD WILL BE PROVIDED AS SHOWN IN THE IMAGE. ALL THE POTENTIOMETERS WILL BE SOLDERED IN, EXACTLY LIKE THE IMAGE SHOWS. THE TRANSISTOR ASSEMBLY CONSISTS OF FOUR 2n3055 TRANSISTORS THIS SET OF FOUR TRANSISTORS IS MOUNTED ON A HEAT SINK. THE HEATSINK IS MADE UP OF HEAVY GUAGE ALUMINIUM FOR EASY AND SMOOTH HEAT DISPERSION. THE TRANSISTORS ARE INSTALLED ON A SILICON SAPARATOE WHICH PREVENTS THE TRANSISTORS FROM SHORTING AND OTHER VOLTAGE DAMAGES. Review: Four Stars - Good sound thanks Review: Good👍 - Good👍 ## Features - 2n3055 STEREO BOARD - 4 x 2n3055 TANSISTORS - HEAVY HEAT SINK ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | TECH AND TRADE | | Manufacturer | TECH AND TRADE | | Model | 3055 AMPLIFIER BOARD TRANSISTOR | | Item model number | 3055 AMPLIFIER BOARD TRANSISTOR | | Compatible Devices | bass | | Mounting Hardware | 1 2n3055 CIRCUIT BOARD WITH POTENTIOMERETS, 1 TRANSISTOR ASSEMBLY | | Number of items | 2 | | Voltage | 24 Volts | | Batteries Included | No | | Batteries Required | No | | Manufacturer | TECH AND TRADE | | Country of Origin | India | ## Images ![Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly - Image 1](https://m.media-amazon.com/images/I/91tfEZDjSaL.jpg) ![Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly - Image 2](https://m.media-amazon.com/images/I/81oVEzfelBL.jpg) ![Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly - Image 3](https://m.media-amazon.com/images/I/81BJix1wHeL.jpg) ![Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly - Image 4](https://m.media-amazon.com/images/I/81AVguTv3-L.jpg) ![Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly - Image 5](https://m.media-amazon.com/images/I/817Q9czAKYL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐ Four Stars *by N***N on 14 July 2017* Good sound thanks ### ⭐⭐⭐⭐⭐ Good👍 *by S***M on 27 July 2019* Good👍 ## Frequently Bought Together - Tech And Trade 250W Diy 2N3055 Transistor Based Audio Amplifier Stereo Board (Volume Balance Bass Treble) With Transistor Assembly - ALLECIN IRF3205 MOSFET Transistors 55V 110A IRF3205PBF N-Channel Power MOSFETS Transistor 55 Volt 110 Amp TO-220 (Pack of 10pcs) - Taiss 60PCS B5K 10K 20K 50K 100K Ohm Linear Taper Rotary Audio B Type Potentiometer with Nuts, Washers and 3 Different Kinds Aluminum Alloy Knob F029 --- ## 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.cy/products/90268845-tech-and-trade-250w-diy-2n3055-transistor-based-audio-amplifier](https://www.desertcart.com.cy/products/90268845-tech-and-trade-250w-diy-2n3055-transistor-based-audio-amplifier) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-04-23*