Specifications
	Expansion connectors 8-pin male plug (mates to A-H4D) 8-pin female socket (accepts additional A-H4Dx) Keypad connectors (4) 110 punch-down blocks Power connector 2.5 mm jack, tip positive Power requirement 24 VDC 2.5 A (use Russound A-PS power supply) Dimensions 1.65" W x 4" H x 1.5" D (4.2 x 10.3 x 3.7 cm) Weight 6 oz (170 g)