Neptune A3 Apex Pro System
Neptune Apex System is for in store pick up only.
Features
- 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
| Specification | Value |
|---|---|
| Power Type | 120 VAC, 8x outlets, 2x DC24V |
| Connectivity | WiFi, Ethernet, Aquabus, 1LINK |
| Probe Ports | 2 pH/ORP, 1 Salinity*, 1 Temperature |
| Input Channels | 6 Switch Digital Inputs |
| Output Channels | 4 Channels 0-10V Variable Output |
| Certification | ETL/UL certified for aquarium use |
FAQ
Is the salinity probe included with the Neptune A3 Apex Pro System?
No, the salinity probe is not included. It must be purchased separately.
Can this system be used with both WiFi and Ethernet connections?
Yes, the Neptune A3 Apex Pro System is compatible with both WiFi and Ethernet.
What is the maximum number of power connections it can control?
The system can control up to 13 individual power connections when used with the Energy Bar 832.

Bella Lee –
The Neptune A3 Apex Pro System works well with my aquarium setup. The built-in audible alarm helps me monitor water conditions. The soft-touch finish feels durable and the multiple probe ports are very useful for monitoring pH, temperature, and salinity. I appreciate the ETL/UL certification for safety in aquarium use.
Harry Graham –
I installed this system for my reef tank and it handles multiple sensors smoothly. The 0-10V output is reliable for controlling pumps and lights. The only downside is that the salinity probe needs to be bought separately, which adds to the cost.
Colin Edmunds –
The system is easy to set up and integrates well with my existing aquarium equipment. The dual connectivity options give me flexibility in setup. The audible alarm is a great addition for monitoring water parameters without needing to check the display constantly.