16Ch

Product Name	Video Input	Audio Input	Compression	Hard Disk
SRD-1670D/1670DC	16 Composite video 0.5-1 Vp-p, 75 ohm automatic termination	16CH line in (Built-in 4CH, option : audio extension cable)	H.264	Up to 5 SATA HDDs, Up to 2 expansion bay (*Model : SVS-5R)
SRD-1650D/1650DC	16 Composite video 0.5-1 Vp-p, 75 ohm automatic termination	16CH line in (Built-in 4CH, option : audio extension cable)	H.264	Up to 5 SATA HDDs, Up to 2 expansion bay (*Model : SVS-5R)
SRD-1630D	16 Composite video 0.5-1 Vp-p, 75 ohm automatic termination	4CH line in	H.264	Up to 5 SATA HDDs
SRD-1652D	16 Composite video 0.5-1 Vp-p	4 Line in (Built-in 4CH	H.264	Up to 4 SATA HDDs

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