Trex™ HD Monitoring Continuous Video Ambulatory EEG System

With continuous monitoring in a compact, portable system and a two-camera system featuring simultaneous recording, Trex HD Monitoring video ambulatory EEG system offers a complete uniform solution for observing, recording and annotating all types of EEG testing in both pediatric and adult patients.


Not available in all countries. Please contact your local sales representative for availability.

24 REF

72 Hrs
Recording on
One Charge

Dual Wireless
Camera Option

Real-time access to ambulatory EEG recording

Key features:

  • Leading NeuroWorks EEG Software, capable of Sleep studies with SleepWorks®
  • Compact amplifier with 24 referential, 4 differential and 4 DC channels
  • Touchscreen tablet with protective case
  • Patient response button option
  • Convenient, easy-to-clean carrying case
  • AA batteries with rechargeable external battery pack for up to 72 hours of battery life, even when wirelessly streaming data to tablet
  • Internal SD card storage space to record up to 96 hours of ambulatory EEG data
  • Built-in pulse oximeter and photic stimulator input
  • Automated export of study data from the patient’s home setting to office servers

Service and support

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Ease of use in the home environment

Provide wireless home video EEG monitoring and review with simultaneous data transfer to a local storage server for further reviewing and sharing. Begin the study with a few simple clicks without the need for patient interaction up to 72 hours. The two-camera system provides patients additional freedom of movement at home without the need to carry equipment from room to room.

Sophisticated software for lab quality results

Gain confidence in knowing that that data quality of the recording is clean with real-time access for remote check-in, including video. Built on the powerful NeuroWorks® software platform, experience an amplifier that brings reliability and flexibility when used in a multitude of studies. Trex HD Monitoring can be used for ambulatory monitoring, routine EEG, LTM and Sleep studies.

Flexible for both patient and clinician

A powerful solution in a compact device, Trex HD Monitoring amplifier increases mobility and optimizes comfort by allowing the patient to resume their normal daily activities. The device is worn in a configurable cross-body pouch and is conveniently charged with AA batteries. Once in the home, the quick and simple setup with wireless cameras can be easily arranged. There is no need to change batteries for a 72 hour study, even with wireless monitoring, minimizing contact between patient and technology.

Product Information


Trex HD Monitoring Amplifier 

  • 32-channels, 24 referential, 4 bipolar, 4 DC, Sp02
  • Records 96 hours of EEG and high definition video

High Definition Wireless Video

  • 1080p HD resolution
  • Infrared sensors record movement in total darkness
  • Built-in cybersecurity features to prevent unauthorized access
  • Simultaneous wireless recording between two cameras

NeuroWorks Software

The Natus NeuroWorks® Platform enables seamless HL7 integration with facility medical records. Patient and study management with reliable & flexible study acquisition & review features are the foundations of a cybersecure solution that simplifies EEG diagnostics.

  • Live streaming and recording of video EEG to a server
  • User customizable personal workspaces
  • Built-in HIPAA compliant role based security with Active Directory integration
  • Variety of analysis tools
    • Natus spike and event detection
    • Persyst® event detection and trending
    • Natus QEEG trending
    • Frequency analysis tool
    • Advanced Trending options
  • Physiologic Monitoring Integration options
  • IP streaming cameras and amplifiers
  • Single or dual stream Full HD 1080p video
  • Enterprise level MS SQL Server database
  • Automated discovery of amplifiers and cameras using DHCP
  • Support for hard drive encryption
  • EEG/Sleep combo software package
  • SDK for direct EEG data access for research
  • Data-stream Wizard with two data streams for efficient clinical and research workflow
  • Citrix® and VMWare® Ready partner – the most powerful infrastructure to facilitate collaboration

SleepWorks Software

Natus SleepWorks Software is an extensive, flexible and robust sleep diagnostic solution that simplifies the setup, collection, review, analysis and reporting of comprehensive sleep studies. Efficiency is optimized using HL7 interfaces for bi-directional data exchange with electronic medical record systems. Video and PSG data can be analyzed and reviewed while the study is being collected.

    • Heads Up Display
    • Complies with guidelines from American Academy of Sleep Medicine
    • Advanced tools
      • Flow volume loop
      • XactTrace – XFlow, XSum, Phase, MRI, XVolume and respiratory rate channels
      • qEEG Analysis
      • Automated event marking
    • Stream data directly to a server for reliability and security
    • EDF/EDF+ import/export
    • Role based security with Active Directory integration
    • Citrix® and VMWare® Ready partner – the most powerful infrastructure to facilitate collaboration
    • Supports Microsoft® BitLocker drive encryption


Amplifier Physical Specifications

Size: (HxWxD)

  • 3.94” x 6.1” x 0.98” (10 cm x 15.5 cm x 2.5 cm)


  • 0.66 lb  (300 g)

Product Literature Download

Trex HD Monitoring System Brochure 

Natus Ambulatory EEG Solutions Brochure

Natus NeuroWorks Software Flyer

Natus Citrix NAS Server

Natus EEG/Sleep IT Solutions Flyer

EEG Supplies

Natus provides a complete line of supplies to meet all EEG needs.











  • Genuine Grass® Reusable EEG Cup Electrodes
  • Grass Reusable EEG Stamped Cup Electrodes
  • Grass Disposable EEG Cup & Deep-Cup Electrodes
  • waveguard original Head Caps
  • waveguard connect Head Caps
  • Electrode Application Products
  • Convenient online portal (U.S. customers only)  Natus Medical Store – natusmedicalstore.com

Sleep Supplies

Natus provides a complete line of supplies to meet every type of sleep diagnostics.

Natus sleep supplies for PSG testing







  • Grass® Genuine Reusable Cup Electrodes
  • Grass Disposable Cup Electrodes
  • Embla® XactTrace® Respiratory Effort Belts
    • Reusable
    • Disposable
    • Cut-to-fit
  • Physiological sensors
  • Cannulas
  • Snap electrodes and leads
  • Electrode conductive gels and pastes
  • Convenient online portal (U.S. customers only) Natus Medical Store – natusmedicalstore.com

Related Neuro Products

EEG Software

NeuroWorks EEG Software

Natus® NeuroWorks® EEG Software

PSG Software

Natus® SleepWorks® PSG Software

Ambulatory EEG

Trex™ HD Video Ambulatory System

Contact Your Natus Representative

For more information on this or any product, please send us a message in the form below.

038032 RevB