The Echo AudioFire2 offers an extremely small FireWire audio solution. No product this small comes packed with as many features as the AudioFire2. Fully balanced input and output, separately addressable headphone output, S/PDIF I/O and MIDI I/O are all included in this 3.5 inch by 4.25 inch interface. AudioFire2 is the perfect product for any musician on the go. Power is provided directly from the FireWire bus or from the supplied power source. MIDI and S/PDIF are available via a removable dongle for compact flexibility. With the AudioFire2 you can record 24 bit 96kHz audio with low latency monitoring on any Windows XP or Mac OS X computer (desktop or notebook) with a FireWire port.