You asked, we responded
FAQ Topic: General Info
What is Class D amplification?
ClassD is an efficient amplification technology that delivers powerful, clean audio while generating minimal heat and consuming less energy compared to traditional ClassA/B amplifiers.
What does a DAC do?
A DAC (Digital-to-Analog Converter) transforms digital audio signals from your computer, phone, or streaming device into analog sound for your amplifier and speakers resulting in cleaner, higher-quality audio.
What is a phono preamplifier?
A phono preamp amplifies the low-level signal from a turntable cartridge to a standard line level, allowing you to connect a turntable to any amplifier with RCA inputs.
How do I connect my phone via Bluetooth?
Enable Bluetooth on your device, search for the amplifier model name in your device list, and tap to connect.Bluetooth 5.0 provides a stable connection up to approximately 10 meters.
What cables do I need to connect speakers?
You need speaker cables with banana plugs or bare wire ends. We recommend Fosi Audio Speaker Cables available in 0.3m and 1.8m lengths in our store.
What types of speakers work with Fosi Audio amplifiers?
FosiAudio amplifiers work with passive speakers with4-8Ω impedance, including bookshelf speakers, desktop speakers, floor-standing speakers, and compact hi-fi systems.
Can I connect a turntable to a Fosi Audio amplifier?
Yes, but most turntables require a phono preamplifier first.The Fosi Audio Box X2 or BoxX5 phono preamps are perfect for this — connect the turntable to the phono preamp, then to the amplifier via RCA.
FAQ Topic: Orders & Shipment
What payment methods do you accept?
We accept VISA, Mastercard, American Express and PayPal. Payment options may vary depending on your region.
How do I change or cancel an order?
Contact us as soon as possible via email or phone during business hours. If your order has already shipped, we won't be able to modify it, you would need to place a new order.
When will I receive my order?
Orders are processed within 1-2 business days. Once shipped, you'll receive a tracking number to monitor your delivery in real time.
Do you ship across Romania?
Yes, we ship to all addresses in Romania. Delivery times and shipping costs are displayed at checkout.
FAQ Topic: Returns & Refunds
What is your return policy?
We offer free returns within 14 days of receiving your order. Items must be returned in their original packaging, unused and in original condition, with all accessories included. All returns are subject to inspection upon receipt.
How long does a refund take?
Once we receive and inspect your return, the refund is initiated immediately. Most credit card providers process refunds within 5-7 business days before it appears in your account.
What should I do if I received a defective product?
Please take clear photos showing the defect and contact our support team. We'll assess the situation and arrange a replacement or refund as quickly as possible.