--- product_id: 594791511 title: "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" brand: "fosi audio" price: "VT47835" currency: VUV in_stock: true reviews_count: 13 category: "Fosi Audio" url: https://www.desertcart.vu/products/594791511-fosi-audio-v3-stereo-amplifier-home-audio-300-watts-x2 store_origin: VU region: Vanuatu --- # 600W peak power output Innovative full-body heatsink cooling Volume-controlled Pre-out flexibility 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 **Brand:** fosi audio **Price:** VT47835 **Availability:** ✅ In Stock ## Summary > 🎧 Power Meets Precision — Amplify Your Space with Fosi V3 ## Quick Answers - **What is this?** 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 by fosi audio - **How much does it cost?** VT47835 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/594791511-fosi-audio-v3-stereo-amplifier-home-audio-300-watts-x2) ## 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 - • **Compact Powerhouse:** Sleek minimalist design packs 600W total power to energize your bookshelf or home theater speakers with crystal-clear sound. - • **Customizable Sound:** Swap out op-amps like Sparkos or MUSES02 to tailor your audio signature and elevate your listening experience to pro-level. - • **Next-Level Cooling:** Advanced venting and whole-body heatsink keep your amp cool under pressure, ensuring consistent peak performance without overheating. - • **Flexible Connectivity:** Enhanced Pre-out with volume control lets you seamlessly integrate subwoofers or additional amps, giving you full command over your soundscape. - • **Audiophile-Grade Precision:** Premium Japanese and German components deliver ultra-low noise (140uV) and high fidelity with 110dB SNR for pristine audio clarity. ## Overview The Fosi Audio V3 is a compact yet mighty Class D stereo amplifier delivering up to 300W per channel with premium audiophile components and innovative cooling. Designed for passive bookshelf and tower speakers, it offers customizable op-amp compatibility and a volume-controlled Pre-out for flexible home audio setups. Perfect for millennials seeking high-performance sound in a sleek, space-saving package. ## Description Product description Fosi Audio V3 Mini Stereo Power Amplifier Integrated quality components and groundbreaking heat dissipation design enable high and stable performance catering to audiophiles' demand. Born for HiFi Enthusiasts Using a minimalist design language, focusing more on enhancing the sound quality and performance of the product, making it the best-sounding power amplifier of Fosi Audio to date. Max Power Output: 300Wx2@4Ω SINAD: 88dB | SNR: ≥110dB THD: ≤0.003% | Noise Floor: 140uV Frequency Response: 20Hz-20kHz TI TPA3255 Integrated Enabling superior audio quality & ultra-low distortion across the audio band with Class-D efficiency Swappable Op-Amps Compatible with 8-pin dual op-amps. Roll them to get your preferred sound signature Audiophile-Grade Capacitors Built-in quality Japanese NCC, ELNA, and German WIMA capacitors for outstanding performance Japanese SUMIDA Inductors Professional audio inductors which have lower impedance and enables support for larger currents Logarithmic Potentiometer Manage the volume of sound in a much finer way suitable for the human ear Groundbreaking Heat Dissipation Vents on the top and bottom, and whole-body heatsink design enhance air circulation and cooling The "Pre-out" level is NOT controlled by the volume control. Comparison Chart V3 Type 2.0 CH Amp MAX Power Output 300W x 2 Input RCA Output Passive SPK +Pre-out Treble& Bass Control THD <0.003% SNR ≥110dB Learn More V3 Type 2.0 CH Amp MAX Power Output 300W x 2 Input RCA Output Passive SPK +Pre-out Treble& Bass Control THD <0.003% SNR ≥110dB SK01 Type Headphone Am/Preamp MAX Power Output 2400mW@32Ω-High Gain Input 3.5mm line in Output line& headphone jack Treble& Bass Control THD <0.001% SNR ≥108dB Learn More SK01 Headphone Am/Preamp 2400mW@32Ω-High Gain 3.5mm line in line& headphone jack <0.001% ≥108dB TB10D Type 2.0 CH Amp MAX Power Output 300W x 2 Input RCA Output Passive Speakers Treble& Bass Control THD ≤ 0.3% SNR ≥ 90dB Learn More TB10D Passive Speakers ≤ 0.3% ≥ 90dB P3 Type Headphone Amp+Preamp MAX Power Output - Input Bluetooth + RCA Output RCA+Headphone+AUX Treble& Bass Control THD ≤ 0.02% SNR ≥103dB Learn More P3 Headphone Amp+Preamp - Bluetooth + RCA RCA+Headphone+AUX ≤ 0.02% ≥103dB 48V5A Type 48V5A Power Supply MAX Power Output 240W Input - Output - Treble& Bass Control THD - SNR - Learn More 48V5A 48V5A Power Supply 240W Review: Great little amp for the money. - Ordered the Fosi V3 to replace a Fosi 20a I had purchased some time ago. The main differences are, the V3 is a more simplistic setup, promises more power per channel, and uses high quality parts internally. It can come with either a 32 volt or 48 volt power supply. Opt for the 48 volt power supply, you will not regret it. The larger more powerful power supply will get you higher volumes with better quality output On the back side of this unit are connects for a pair of speakers and an analogue input. The older Fosi 20a just did not have as much power particularly with only the supplied 24 volt power supply and fell short driving my Polk Atrium 6 speakers at loud volume. Now, I am using this as a garage system. Hence, the reason I chose to go on the cheap with this system. But....the Fosi V3 got decent audio reviews so what the heck. The garage system is a music system to accompany working on projects or the cars vs. just sitting and listening to music like I do with my home systems that cost much much more. So after connecting up an older generation Echo device to stream music, I used 14 gauge audio cable to connect the speakers to the amp. Very easy to do. The result is as you see it in the attached video. Loud enough for me and the overall sound quality is very good. So, this unit has few connectivity options but what it does, it does well. What I really like about this amp is its small size allowing me to store it in my garage wall cabinet. I would imagine this amp could be part of a home system in a small to mid size room Just be sure to match it up with a pair of good speakers. Speakers with a high efficiency rating will serve you best that is 90db or better. Recommended. Review: Excellent Sound Quality! - Fosi has some of the best class d amps these days. I've owned a few other brands and none of them had the power or sound quality that this amp has. While I don't think there is really 150wpc sustained effort on tap, it drives my ELAC B6 bookshelf speakers just fine, those are 86db efficient, so not easy for some small amps. I feed it from a Fosi ZP3 preamp with high bypass filter and sub out that cuts the low frequencies to the speakers and routes them to a DIY 10" 150w sealed sub. ## Features - Compact Yet Powerful: The V3 mini power amplifier combines a minimalist design with exceptional performance. With a power output of up to 600W, it can effortlessly drive 2-8Ω speakers, delivering impressive sound quality. Its compact size makes it suitable for various applications, from bookshelves and desktop setups to home theaters - Audiophile-Grade Components: It features the TPA3255 high-end digital class D amp chip and utilizes premium Japanese NCC, ELNA, and German WIMA capacitors, and Japanese Sumida inductors for exceptional audio quality. With a SINAD rating of up to 88dB, an SNR of up to 110dB, and a low noise floor of only 140uV, it delivers exceptional clarity and low distortion - Innovative Cooling: The V3 stands out with its groundbreaking heat dissipation design. Equipped with vents on the casing's top and bottom, and a whole-body heatsink design, it efficiently dissipates heat, preventing damage to components and ensuring optimal performance - Scalable and Fun: Tailor your sound experience by swapping the stock NE5532 op-amps. V3 is compatible with a variety of 8-pin dual op-amps like Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4559, LM4562, LME49720HA, etc - Enhanced Pre-out Functionality: The V3 features an optimized "Pre-out" design. The level is now controlled by the volume control, allowing for adjustable sound levels when connected to the "Pre-out." This enhancement offers greater flexibility and convenience for users who prefer to fine-tune their audio experience ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CGCSM191 | | Best Sellers Rank | #8,366 in Electronics ( See Top 100 in Electronics ) #30 in Audio Component Amplifiers | | Brand | Fosi Audio | | Built-In Media | Power Supply | | Customer Reviews | 4.6 out of 5 stars 313 Reviews | | Manufacturer | Fosi Audio | | Mfr Part Number | V3-48V | | Model Number | V3_48V/5A | | Unit Count | 1.0 Count | | Warranty Description | 24 Month Manufacturer | ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/51jOyYN2wnL.jpg) ## Available Options This product comes in different **Model** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great little amp for the money. *by J***H on February 1, 2025* Ordered the Fosi V3 to replace a Fosi 20a I had purchased some time ago. The main differences are, the V3 is a more simplistic setup, promises more power per channel, and uses high quality parts internally. It can come with either a 32 volt or 48 volt power supply. Opt for the 48 volt power supply, you will not regret it. The larger more powerful power supply will get you higher volumes with better quality output On the back side of this unit are connects for a pair of speakers and an analogue input. The older Fosi 20a just did not have as much power particularly with only the supplied 24 volt power supply and fell short driving my Polk Atrium 6 speakers at loud volume. Now, I am using this as a garage system. Hence, the reason I chose to go on the cheap with this system. But....the Fosi V3 got decent audio reviews so what the heck. The garage system is a music system to accompany working on projects or the cars vs. just sitting and listening to music like I do with my home systems that cost much much more. So after connecting up an older generation Echo device to stream music, I used 14 gauge audio cable to connect the speakers to the amp. Very easy to do. The result is as you see it in the attached video. Loud enough for me and the overall sound quality is very good. So, this unit has few connectivity options but what it does, it does well. What I really like about this amp is its small size allowing me to store it in my garage wall cabinet. I would imagine this amp could be part of a home system in a small to mid size room Just be sure to match it up with a pair of good speakers. Speakers with a high efficiency rating will serve you best that is 90db or better. Recommended. ### ⭐⭐⭐⭐⭐ Excellent Sound Quality! *by G***R on February 7, 2026* Fosi has some of the best class d amps these days. I've owned a few other brands and none of them had the power or sound quality that this amp has. While I don't think there is really 150wpc sustained effort on tap, it drives my ELAC B6 bookshelf speakers just fine, those are 86db efficient, so not easy for some small amps. I feed it from a Fosi ZP3 preamp with high bypass filter and sub out that cuts the low frequencies to the speakers and routes them to a DIY 10" 150w sealed sub. ### ⭐⭐⭐⭐⭐ Excellent 2 Channel Amplifier for streaming music and videos from my computer *by K***N on July 19, 2024* I enjoy music and appreciate good audio quality but I am not an audiophile. I use the Fosi V3 to listen to streaming music and video from an ASUS PN51 Mini PC's 3.5 mm audio output. I purchased the Fosi V3 with the 48V Power Supply to make sure it had adequate power for my two, highly rated, floor standing Infinity Primus 360 speakers, which sit to the left and right of a large flat panel TV. The Fosi V3 and the similarly sized ASUS Mini PC sit on an end table by my sofa for easy access. I am amazed at the sound quality whether its watching a YouTube music video or streaming a movie. The volume control is adjusted somewhere between noon and 3 O'clock depending upon the output volume of the streaming source. I have never turned it past 3 O'clock, because this was plenty loud in my living room environment. I spent several hours doing research on these mini amps, watching YouTube reviews plus reading several online reviews. From this research it became clear that the Fosi V3 was the best available 2 channel mini amplifier on the market. The sound quality from the Fosi V3 is the best I have heard coming out of my two excellent Infinity speakers. From brilliant highs to smooth mid tones, good base punch, music sounds very natural. I love the simplicity of a single control. The Fosi V3's volume control is just the right size. Excellent design and engineered amplifier. Thank you Fosi. If audio sound quality is your primary goal, I highly recommend this unit. ## 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? - 🛒 **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.vu/products/594791511-fosi-audio-v3-stereo-amplifier-home-audio-300-watts-x2](https://www.desertcart.vu/products/594791511-fosi-audio-v3-stereo-amplifier-home-audio-300-watts-x2) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-06-07*