The USB Card FEMTO has been our flagship USB card for nearly a decade and served thousands of audiophiles worldwide. It has now been superseded by the USB Card XE EVO — featuring 2x lower noise, an integrated OCXO clock, SMA connector for our external Master OCXO Clock, and EMI noise reduction filter.
Audiophile USB Audio output for USB DACs & USB-to-S/PDIF converters
Highest quality components and Femto Clock Technology cancel noise from a PC and guarantee superb sound quality. The USB Card FEMTO converts a PC into a hi-end USB Audio digital transport. Now even better performance with the new 2.0 firmware!
Highest quality industrial grade components with operating temperature range from -40*C to +85*C
Enterprise level high-performance uDP720201 USB 3.0 NEC controller
Gold plated high durability EMI shielded USB connectors
Two audiophile grade USB Audio outputs supporting Low Speed (1.5 Mbps), Full-Speed (12 Mbps), Hi-Speed (480 Mbps) and Super-Speed (5 Gbps) data rates
Supports all lossless formats and sample rates
External PSU option eliminates computer as the source of power. For lowest noise and best sound quality use JCAT power supplies (requirements for the PSU: 5V/1A min)
Both full-size and low-profile laser cut PCI-e brackets included
All x1-x16 lane PCI Express 2.0 slots supported
Supported operating systems: Windows (all editions) and Linux
