OmniPlex-S
Pair the OmniPlex data acquisition platform with SiNAPS active pixel probes for high density, high channel count neural recording. Record from every electrode site on the probe, not just a subset, with full online spike sorting built in.
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OmniPlex-S combines Plexon's OmniPlex system, in development for over 10 years and used in more than 1,000 peer reviewed publications, with SiNAPS active pixel sensor probes.
Unlike other high density active silicon probes on the market, SiNAPS lets researchers record from all electrode sites at once rather than selecting a limited subset. OmniPlex-S supports up to 4 SiNAPS probes at the same time, for up to 2,048 combined channels, with full online spike sorting and real time data access built into the platform.
| Spec | Value |
|---|---|
| Probes supported | Up to 4 SiNAPS probes simultaneously |
| Combined channels | Up to 2,048 |
| Amplifier | In-pixel, DC input |
| Electrode size | 15 × 15 µm² |
| Electrode pitch | 29 μm |
| Sampling frequency | 40 kHz per channel |
| RMS noise | 6.5 µV in action potential band |
| Electrode material | Platinum |
| Power consumption | Less than 6 µW per electrode pixel |
| Analog inputs | Up to 32 |
| Digital inputs | Up to 32 |
| Digital outputs | Up to 16 |
| Video synchronization | Compatible with CinePlex |
- Probe ViewA live histogram showing signal energy and spike activity across every channel.
- Signal Quality & Headroom TuningOptimize amplitude and reduce noise across the array.
- Array ThresholdingSet activation levels and separate signal from noise.
- Online Spike SortingPerformed in real time as data streams in.
- Real-Time Data AccessAvailable through Plexon client software.
- .PL2 File FormatFor fast offline processing, compatible with Kilosort and SpyKing Circus.
SiNAPS Hardware
OmniPlex-S doesn't use standard headstages. Instead, it connects through this SiNAPS-specific hardware.
OmniPlex Chassis
Available as a rack-mounted or table-top form factor.
High Density Processor (HDP)
The SiNAPS-specific acquisition subsystem, previously called the DHP-SiNAPS.
SiNAPS Adaptor
The interface for SiNAPS probes, with high quality A/D conversion.
SiNAPS Probe
Available in 256, 512, and 1024 pixel configurations.
Probe Tester Unit (PTU)
For testing and troubleshooting the SiNAPS–OmniPlex connection.
System Tester Unit (STU)
Feeds up to 32 independent signals into the system for testing and demonstration.
Combine Electrophysiology With
CinePlex
Synchronized video tracking alongside neural recording.
Optogenetics
Add time-locked optogenetic stimulation alongside SiNAPS recording.
PlexBright can run standalone, or connect to OmniPlex-S via digital inputs so each system knows what the other is doing.
