Echo AudioFire8 Firewire Audio Interface FireWire (IEEE 1394a) interface with 15' cable 2 auto-sensing universal inputs (mic/guitar/line): Meters, trim knobs, phantom power &amp; channel inserts 6 balanced 1/4" analog inputs: 113dB (A-weighted) dynamic range, +4dBu / -10dBV nominal levels 8 balanced 1/4" analog outputs: 114dB (A-weighted) dynamic range, +4dBu / -10dBV nominal levels 2 unbalanced 1/4" channel inserts