--- product_id: 560407547 title: "Fosi Audio V3 300W Class D Stereo Power Amplifier, TPA3255 Chip HiFi Audio Amplifier for Home Theater and Bookshelf Speakers, Compact Design with Advanced Heat Dissipation with 48V5A Power Supply" brand: "fosi audio" price: "Β₯55293" currency: JPY in_stock: true category: "Fosi Audio" url: https://www.desertcart.jp/products/560407547-fosi-audio-v3-300w-class-d-stereo-power-amplifier-tpa3255 store_origin: JP region: Japan --- # 48V 5A high-capacity power supply 300W peak power output Advanced heat dissipation tech Fosi Audio V3 300W Class D Stereo Power Amplifier, TPA3255 Chip HiFi Audio Amplifier for Home Theater and Bookshelf Speakers, Compact Design with Advanced Heat Dissipation with 48V5A Power Supply **Brand:** fosi audio **Price:** Β₯55293 **Availability:** βœ… In Stock ## Summary > 🎢 Small amp, massive impact β€” elevate your sound game effortlessly! ## Quick Answers - **What is this?** Fosi Audio V3 300W Class D Stereo Power Amplifier, TPA3255 Chip HiFi Audio Amplifier for Home Theater and Bookshelf Speakers, Compact Design with Advanced Heat Dissipation with 48V5A Power Supply by fosi audio - **How much does it cost?** Β₯55293 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/560407547-fosi-audio-v3-300w-class-d-stereo-power-amplifier-tpa3255) ## Best For - fosi audio enthusiasts ## Why This Product - Trusted fosi audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Customizable Sound:** Swap op-amps like Sparkos SS3602 or MUSES02 to tailor your audio signature with precision. - β€’ **Cool Under Pressure:** Advanced heat dissipation ensures stable, long-lasting performance even during marathon listening sessions. - β€’ **Powerful 300W Output:** Unleash room-filling, distortion-free sound that commands attention. - β€’ **Plug & Play Simplicity:** Single input, no tone controlsβ€”pure, high-fidelity sound for the discerning audiophile who values clarity over clutter. - β€’ **Sleek & Compact Design:** Fits effortlessly into any modern workspace or living room without sacrificing style or space. ## Overview The Fosi Audio V3 is a compact 300W Class D stereo amplifier powered by a robust 48V 5A supply and advanced heat dissipation technology. Designed for audiophiles and professionals alike, it offers customizable op-amp options for personalized sound, durable metal construction, and a sleek form factor that blends seamlessly into any home theater or office setup. With a focus on pure, distortion-free audio and practical simplicity, it delivers exceptional value and immersive listening experiences. ## Description Enjoy rich, detailed audio with this compact, durable power amplifier featuring advanced heat dissipation and customizable op-amp design for personalized sound. ## Features - Immersive Audio Experience - Enjoy rich, detailed dynamics with the Fosi Audio V3 power amplifier, which delivers crystal-clear sound from delicate highs to profound lows. Its customizable op-amp design allows for personalization with upgrades like Sparkos SS3602, MUSES02, and other 8-pin dual options. - Exceptional Craftsmanship - The Fosi Audio V3 is meticulously engineered with high-quality components, ensuring durability and reliability. Its sturdy metal casing and sophisticated internal circuitry demonstrate our dedication to superior performance. Advanced heat dissipation technology keeps the amplifier cool during extended use, promoting stable operation and a longer lifespan. - Modern and Compact Design - With its compact form factor and sleek contemporary design, the V3 power amplifier is not only space-efficient but also a harmonious fit for various home decors. Its elegant shape and clean lines enhance any living room, study, or office space, offering both style and functionality. - Versatile for Various Settings - Enhance your home theater experience with the Fosi Audio V3, filling your living room with rich, immersive sound. Or, let it bring out the subtleties of your music in the quiet of your study or office. Its adaptability across various settings and portable design ensure consistently high-quality sound wherever you place it. - Performance Meets Practicality - The Fosi Audio V3 provides a listening experience that music enthusiasts and professionals will appreciate, striking a balance between superior sound quality and sensible spending. It's an audio solution that doesn't compromise on excellence, ensuring value in every note. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CGCSM191 | | Best Sellers Rank | 8,989 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 12 in Hi-Fi Amplifiers | | Box Contents | Power Supply | | Brand Name | Fosi Audio | | Country of Origin | China | | Customer Reviews | 4.5 4.5 out of 5 stars (412) | | Manufacturer | Fosi Audio | | Manufacturer Part Number | V3-48V | | Model Number | V3_48V/5A | | Number of Items | 1 | | Product Warranty | 24 months | ## Images ![Fosi Audio V3 300W Class D Stereo Power Amplifier, TPA3255 Chip HiFi Audio Amplifier for Home Theater and Bookshelf Speakers, Compact Design with Advanced Heat Dissipation with 48V5A Power Supply - Image 1](https://m.media-amazon.com/images/I/51jOyYN2wnL.jpg) ## Available Options This product comes in different **Model** options. ## Questions & Answers **Q: How to change audio balance levels between the left and right audio channels?** A: 1. Computer: Settings > Sound > Fosi Audio, and change the left and right balance levels. 2. iPhone: Settings > Accessibility >Audio/Visual> Balance, slide horizontal slider to the left or right to adjust the balance. **Q: Do I need a pair of the same opamps or can they be swapped in different combinations?** A: If your OP-AMP is pin-to-pin (P2P), meaning the pins and functions of the two OP-AMPs are exactly the same, so you can directly install one model at a time. However, there might be a difference in sound quality or sound volume on one side. **Q: What is a difference between two versions of V3 amp - 32v and 48v?** A: Compared to a 32V power supply, a 48V power supply can enhance the amplifier's power output, providing more headroom to prevent distortion and enabling it to drive larger, more powerful, or higher-impedance speakers. **Q: Can the V3 amplifier be bridged to work as a monoblock amplifier?** A: It doesn't support bridge mode. **Q: Only one channel has a sound or unbalanced output?** A: Cross-check left & right speakers, speaker wires, input cable eliminating either speaker or wiring. Please ensure that the speaker wire is correctly connected and not bent. ## Frequently Bought Together - Fosi Audio V3 Stereo Amplifier Home Audio 300 Watts x2 Power TPA3255 Class D Mini Speaker Amp 2 Channel Audio Component for Passive Bookshelf Tower Speakers Desktop Home Theater with 48V Power Supply - Fosi Audio Replaceable Control Knob Orange Controller for V3 Amplifier Stereo Amplifier Home Audio - WiiM Mini AirPlay 2 Wireless Audio Streamer, Multiroom Stereo, Preamplifier, Works with Alexa and Siri Voice Assistants, Stream Hi-Res Audio from Spotify, Amazon Music and More --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/560407547-fosi-audio-v3-300w-class-d-stereo-power-amplifier-tpa3255](https://www.desertcart.jp/products/560407547-fosi-audio-v3-300w-class-d-stereo-power-amplifier-tpa3255) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-06*