Analog Input
Quantity	1 stereo
Level	2 ranges : +12 or +24 dBu jumper selectable
Impedance	600 ohms / 10 K Jumper selectable
Connector	XLR female balanced and EMI suppressed
Digital Input
Quantity	1 stereo
Standard	AES 3
Sampling Rate	32 to 192 kHz – 24 bits
Connector	XLR female balanced and EMI suppressed
AES/EBU Input Sync
Quantity / Connector	1 BNC female connector
Sync type	World Clock  - 32 to 192 kHz
Level	1 to 6 volt
SCA/RDS input
Quantity / Connector	1 BNC female connector
Type	Adder  jumper selectable
Analog Output
Quantity	1 stereo
Level	2 ranges : +12 or +24 dBu Jumper selectable
Impedance	10 K – maximum load impedance 300 ohm at +24 dBu
Connectors	XLR male balanced and EMI suppressed
Digital Output
Quantity	1 stereo
Standard	AES 3
Sampling Rate	32 to 192 kHz – 24 bits
Connector	XLR male balanced and EMI suppressed
Stereo Generator Output
Quantity	2 separate outputs  which can deliver MPX or 19kHz pilot (software selectable)
Level	2 ranges : +6 or +18 dBu Jumper selectable
Impedance	600 ohms -Max load : 35 ohm at +18dBu
Connectors	BNC female – EMI suppressed
Audio Performances
Processing delay	From 1.5 to 3.5 (depending on presets and audio path)
Frequency responce	FM : 30 Hz – 15 kHz  +/-0.2dB (de-emphasized measured on analog output) FmHQ : 30 Hz – 17 kHz  +/-0.2dB (de-emphasized measured on analog output) HD : 30 Hz – 20 kHz  +/-0.2dB (measured on HD output)
Noise	>90 dB  (de-emphasized)
Distorsion	<0.02% THD (de-emphasized)
Separation	>70 dB
Sub to Main crosstalk / Main to Sub crosstalk	>75 dB
Audio Driver
Linux (debian) Sound4 Universal Audio Driver	Input & output Supporte all codecs  installed on OS
Microsoft Window (2000, XP, 2003, Vista) Sound4 Audio Driver	Input & output Supporte all codecs  installed on OS
GPIO (Remote Contact Closure)
Sound4 will provide a list of compatible I/O board, basically user software will manage 8 I/O minimum
PCI Board
Standard	PCI  rev 2.2
Board power supply	Connector type Molex 4 pin male.
Board consumption	10 watt typical, 30 watt  when all outputs  are loaded to max
Size	185 x 106 mm (without connectors)
Operating System compatible for Sound4FM Board
Linux	Debian
Microsoft Windows	XP, 2003, Vista
Operating System compatible for Remote software
Linux	Debian
Microsoft Windows	XP, 2003, Vista
Computer Interface
TCP/IP	10/100-base-T  Ethernet port
Telnet	95% of parameters are accessible through telnet protocol