As an Amazon Associate, we earn from qualifying purchases. A3 Apex Pro Controller System (OPEN BOX) - Bulk Reef Supply Neptune Systems . 251343OB Gallery Attributes Brand name, Manufacturer name, ManufacturerNeptune Systems Extra Product NameA3 Apex Pro Controller System (OPEN BOX) - Bulk Reef Supply keywordssaltwater aquarium supplies, reef aquarium supplies, marine fish tank, live rock, GFO, protein skimmers, two part dosing, aquarium carbon, fish food, RO/DI Systems, ecotech marine, aquaillumination, neptune systems, kessil, innovative marine moq, multiple, tierMinQty11 MPN, SKU251343OB qtyInStock0 snippetNeptune Systems A3 Apex Pro System -- The most complete experience of monitoring and control for the discerning aquarist Fully equipped A3 Apex Pro base unit 4 FMM Ports 4-Channels 0-10V Variable output 6 Switch Digital Input 2 Aquabus Ports 2 pH/ORP probe ports 1 Salinity* probe port 1 Temperature probe port Both WiFi & Ethernet compatible Soft-touch finish New built-in audible alarm Control up to 13 individual power connections with the Energy Bar 832 ONLY power bar on the market to be ETL/UL certified specifically for aquarium use 8x 120 VAC outlets 3x 1LINK outputs for WAV, DOS, etc 2x DC24V outputs for accessories (small pumps, solenoids, fans, etc.) 3x AquaBus Ports Track temperature, ORP, and pH with included lab tierPrice1809.95 Distributor offers SellerSKUMOQIn stockMultiplePrices bulkreefsupply.com251343OB111 @ $809.95