Frequently Asked Questions
Everything you need to know about Fosi Audio products, shipping, and support.
What kind of power supply do Fosi Audio amplifiers come with?
Most of our amplifiers include a high-quality DC power adapter (typically 19V, 24V, or 32V depending on the model). Please check the 'Package Contents' section on the specific product page for exact specifications.
Do you offer international shipping?
Yes, we ship our audio equipment worldwide. Shipping costs and delivery times vary by destination, but most orders are processed within 1-2 business days.
Are Fosi Audio products compatible with passive speakers?
Yes, our home audio amplifiers are designed to drive a wide range of passive speakers. Ensure the speaker impedance (usually 4-8 ohms) matches the amplifier's rated output for optimal performance.
What is your return policy and warranty period?
We offer a 30-day money-back guarantee for any reason and an 18-month worry-free warranty covering manufacturing defects. If you encounter any technical issues, our support team is available 24/7.
Can I connect my smartphone to the amplifier via Bluetooth?
Many of our models feature Bluetooth 5.0 connectivity, allowing you to stream high-fidelity audio directly from your smartphone, tablet, or laptop with a range of up to 50 feet.
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.