Foshan Sound Technology Co., Ltd.....
Professional Power Amplifier Manufacturer
Based in Lishui, Foshan — China's core audio industry cluster — we deliver stable, high-quality power amplifiers and customized solutions to professional partners in over 100 countries.
ABOUT FEDAXY
Who We Are
A dedicated power amplifier manufacturer with 15+ years of engineering heritage.
Foshan Sound Technology Co., Ltd..... is a professional power amplifier manufacturer headquartered in Lishui, Foshan — the core audio industry cluster of China. Built on over 15 years of R&D and production experience, we integrate design, production, sales and technical service under one roof.
We specialize in Class D, Class TD, Class H and Class AB amplifiers, certified with ISO9001, CE, ROHS and CB, and strictly implement 6S on-site management. More than 90% of our products are exported to over 100 countries across Europe, America, Asia and Africa.
Adhering to the principle of "Customer First, Integrity, Innovation and Win-Win", we are committed to providing stable, high-quality audio products and tailored solutions for global B2B partners.
5 Rounds of QC Testing
Every amplifier passes five QC inspections before shipment to ensure consistent performance.
8-Hour Aging Test
Each unit completes an 8-hour aging test to verify stable operation under real working conditions.
100% Copper Transformer
High-quality copper transformers help ensure stable power output and long-term reliability.
100% Real Wattage
True rated power output gives system integrators and venues dependable amplifier performance.
3-Year Warranty
Long-term warranty support gives buyers confidence in product quality and after-sales service.
OUR TECHNOLOGY
Full Lineup of Professional Power Amplifiers
Our in-house R&D team focuses exclusively on professional power amplifiers, offering four mature technical platforms to cover every commercial and live-performance scenario — from intimate bars to large stadiums.
- DClass D — High efficiency and low heat output, ideal for installed sound, KTV and small-to-medium venues.
- TDClass TD — Combines Class T digital control with Class D efficiency, delivering crisp dynamics for live performance.
- HClass H — Multi-rail design with high headroom, optimized for theaters, stadiums and touring rigs.
- ABClass AB — Reference-grade analog warmth and detail for studio monitoring and audiophile installations.
QUALITY & CERTIFICATION
Internationally Certified, Built to 6S Standard
Every amplifier we ship is backed by ISO9001 quality management and CE, ROHS, CB compliance — giving distributors, brand partners and system integrators a reliable foundation for global market access.
We strictly implement 6S on-site management across the entire production chain — from incoming material inspection, SMT, assembly and burn-in aging, to final acoustic and electrical testing — to ensure consistent, long-term reliability of every unit.
Engineered for Professionals
Why Choose CS-AUDIO?
From engineering capability to global logistics, every part of CS-AUDIO is built to make your audio business more reliable.
Proven Manufacturer
15+ years dedicated to professional power amplifiers, with in-house R&D, production, sales and technical service integrated under one roof.
Full Class Lineup
Class D, Class TD, Class H and Class AB platforms — a complete solution covering bars, KTVs, theaters, stadiums and pro touring.
Certified Quality
ISO9001, CE, ROHS and CB certified, with strict 6S on-site management and full-process quality control on every unit shipped.
Global Service Network
Over 90% export rate and trusted by partners in 100+ countries across Europe, America, Asia and Africa — with responsive multilingual support.
Let's Build Together
Need a Custom Audio Solution for Your Project?
Whether you're a distributor, brand owner or system integrator, our engineering team is ready to deliver the right amplifier solution for your business.