M-Audio Fast Track Pro 4 x 4 Mobile USB Audio/MIDI Interface with Preamps 12 › Product Specs

12 › Product Specs

Digital Audio Interface Specifications	48kHz sampling rate unless otherwise stated
Mic Inputs (A/D)
Input Impedance	2.7k Ohms unbalanced, 5.4k Ohms balanced
Maximum Input Level	from +24dBu @ min gain, pad on to -40dBu @ max gain, no pad
Channel-to-Channel Crosstalk	< -110dB
SNR	-101dB, A-weighted
Dynamic Range	101dB, A-weighted
THD+N	0.005% (-86dB) @ -1dBFS, 1kHz
Frequency Response	20Hz to 20kHz, +/- 0.1dB
Preamp Gain	>40dB
Pad	-20dB pad
Instrument Inputs (A/D)
Input Impedance	> 220k Ohms, unbalanced
Maximum Input Level	from +22dBV @ min gain, pad on to -42dBV @ max gain no
	pad
SNR	-100dB, A-weighted
Dynamic Range	100dB, A-weighted
THD+N	0.005% (-86dB) @ -1dBFS, 1kHz
Frequency Response	20Hz to 20kHz, +/- 0.1dB @ 48kHz sample rate
Preamp Gain	> 40dB
Pad	-20dB pad
Line Inputs (A/D)
Input Impedance	20k Ohms balanced and unbalanced
Maximum Input Level	+4.1dBu balanced/+1.9dBV unbalanced
Channel-to-Channel Crosstalk	< -110dB
SNR	-101dB, A-weighted
Dynamic Range	101dB, A-weighted
THD+N	0.005% (-86dB) @ -1dBFS, 1kHz
Frequency Response	20Hz to 20kHz, +/- 0.1dB @ 48kHz sample rate
	20Hz to 40kHz, +/- 0.1dB @ 96kHz sample rate
Pad	-20dB pad
Input Inserts (Analog)
Maximum Level Send	+6dBV, unbalanced
Maximum Level Return	+6dBV, unbalanced
THD+N	0.00281% (-91dB) @ -1dB from max level, 1kHz
Frequency Response	20Hz to 40kHz, +/- 0.1dB
Line Outputs (D/A)
Output Impedance	150 Ohms unbalanced, 300 Ohms balanced
Maximum Output Level	+1.8dBV, unbalanced
	+10.1dBu, balanced
Channel-to-Channel Crosstalk	< -108dB
SNR	-103dB, A-weighted
Dynamic Range	103dB, A-weighted
THD+N	0.005% (-86dB) @ -1dBFS, 1kHz
Frequency Response	20Hz to 20kHz, +/- 0.3dB @ 48kHz sample rate
	20Hz to 40kHz, +/- 0.5dB @ 96kHz sample rate
Headphone Output (D/A)
Maximum Output	-2.5dBV at THD < 0.05% into 32 Ohms
Working Range	32 to 600 Ohms

051214_FTPro_UG_EN01

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