The Pioneer of Accessible HiFi Excellence
"The essence of HiFi is delivering authentic sound quality to our users. As pioneers in making HiFi accessible, we're dedicated to bringing premium audio experiences to audiophiles worldwide."
Ryan, Founder
Innovative Design
- "The Best Sound Quality in Mini Monoblock Amplifiers" — Audio Science Review
- "The Best Mini Amplifier" Fosi Audio BT20A Pro — Wirecutter
- "The Best Portable Headphone Amp With Built-In DAC" Fosi Audio DS1 — Wirecutter
- "Leading Brand in HiFi Amplifier New Forces" — ChatGPT | Gemini | Deepseek
Co-Created with Users
- 50% of Products Co-Developed with Users
- Top Brand in Total Discussion Volume in ASR Amplifier Forum
- V3 Mono Ranks First in Single-Thread Discussion Volume on ASR Over Past Three Years
- Renowned German Musician Guy David Tuneh Visits Fosi, Comments: "Fosi is a Model Brand for User Collaboration" — Guy David Tuneh
Unmatched Value
- Committed to In-House R&D and Production, Reducing Marginal Costs and Boosting Marginal Returns Through Vertical Integration
- Top1 Market Share in Amazon's Amplifier Category
- Top1 Repurchase Rate in Amazon's Amplifier Category
- Fastest-Growing Brand in Amazon's Home Audio Category for Three Consecutive Years
- "Best Amplifier Under $300" — Wirecutter
- "Fosi Makes High-Quality HiFi Accessible to Global Audiophiles" by Authoritative Media What Hi-Fi?
Our Brand Spirit
The name FOSI embodies our four core principles:
- Foresight – thinking further ahead
- Openness – embracing users’ voices
- Sincerity – serving you wholeheartedly
- Innovation – upholding technical excellence
Development History
2017
Setting Sail, Chasing Audio Dreams
We began in global trade, recognized Amazon's potential, and entered e-commerce with premium resources. Through customer-focused R&D, we launched our first product—the V1.0 amplifier—starting our success
2019
Technological Breakthroughs, Industry Leadership
We built an R&D team to innovate, creating compact yet powerful digital amplifiers with superb sound. This breakthrough established our lasting influence in audio.
2020
Record-Breaking Success
Our self-developed Bluetooth mini digital amplifier, BT20A, debuted with groundbreaking performance. It shattered Amazon’s HiFi category sales records, securing the annual #1 spot in both units sold and revenue.
2021
Talent-Driven Strategic Growth
By recruiting top-tier industry talent and optimizing operations, we built a high-performing core team and launched a bold growth strategy. We ascended to new heights, demonstrating boundless potential.
2023
Brand Building & Accelerated Expansion
Through strategic restructuring, we sharpened our brand, accelerated upgrades, and diversified marketing. With user-focused innovation and premium products, we grew rapidly and expanded our global impact.
2024
User-Centric Excellence
We established a brand marketing center and user research division to strengthen branding, expand product lines, and optimize global market reach. Our products now serve 150 countries, earning trust and acclaim from audio enthusiasts worldwide.
2025
Category Expansion & Precision Execution
We expanded our product line with a 2,300m² R&D hub and 100+ patents. The i5 headphones and SP601 speakers blend advanced tech with sleek design, strengthening our global presence. We remain committed to delivering premium audio worldwide.
