Frequently Asked Questions
Everything you need to know about your Fosi Audio experience.
What kind of power supply is included with the amplifiers?
Most Fosi Audio amplifiers come with a high-quality DC power adapter (typically 19V, 24V, or 32V depending on the model) designed to provide stable current and minimize electronic noise.
Do you offer international shipping?
Yes, we ship our Hi-Fi audio products worldwide. Shipping times and costs vary by destination, but most orders are processed within 1-2 business days.
Can I connect my smartphone to Fosi Audio amplifiers via Bluetooth?
Many of our models, such as the BT20A and BL20C, feature Bluetooth 5.0 connectivity, allowing you to stream high-definition audio directly from your smartphone, tablet, or laptop.
What is your return policy for electronic components?
We offer a 30-day money-back guarantee. If you are not satisfied with your purchase, you can return the product in its original packaging for a full refund or exchange.
Are Fosi Audio products covered by a warranty?
Yes, all Fosi Audio products come with an 18-month worry-free warranty. This covers any manufacturing defects or hardware failures under normal usage conditions.
What payment methods do you accept?
We accept all major credit cards (Visa, Mastercard, American Express), PayPal, and various local payment methods depending on your shipping region.