Natus® Embla® NDx PSG Amplifier

The Natus Embla NDx – Leading edge performance with expanded capabilities for all your Sleep diagnostic needs. The Natus Embla NDx PSG amplifier provides 64 referential channels, up to 12 programmable bipolar channels and 16 DC, for the most demanding PSG studies. With integrated Embla XactTrace® technology, integrated pressure sensor and much more in a lightweight ergonomic design.

Key Features:

  • Up to 64 AC channels (40 referential and 24 referential/differential configurable)
  • 16 DC channels (12 on Natus Base Unit and 4 on NDx breakout box)
  • Up to 4 kHz sampling rate
  • Integrated pulse oximeter and pressure sensor
  • Touchscreen display on base unit with real time interaction with ongoing studies
  • Instantaneous electrode impedance check using onboard touchscreen
  • Perform bio-calibrations from the patient bedside
  • Lightweight breakout box aids in patient’s mobility
  • Integrated 8-bit trigger for synchronizing external events

Requires NeuroWorks 9.0 or higher. Not available in all countries. Please contact your local sales representative for availability.

Channels +
16 DC

4 kHZ

Service and support

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Product Information


  • Built-in night light
  • Noise is minimized by onboard A/D converter digitizing data at patients side
  • Available in wall or cart mounted configurations


Natus SleepWorks PSG 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, RMI™, 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® Ready Partner
  • Supports Microsoft® BitLocker™ drive encryption

Embla RemLogic™ PSG Software has a unique and configurable user interface facilitating data navigation and review.

  • XactTrace® – XFlow™, XSum™, Phase, RMI™, XVolume and respiratory rate channels
  • Host of predefined or customizable reports
  • Reports are available in multiple file reports: pdf, txt and rtf


  • TCP/IP Connectivity (Static or DHCP)
  • Automatic DHCP discovery
  • USB

Physical Specifications

Size (HxWxD):

  • Base Unit: 11.4” x 10.4” x 2” (29 cm x 26.5 cm x 5 cm)
  • Breakout Box: 7.5” x 4.5” x 1.25” (19 cm x 11.4 cm x 3.2 cm)


  • Base Unit: 5.1 lb (2300 g)
  • Breakout Box: 1 lb (460 g)

Product Literature Download

Natus SleepWorks with NDx, SDx & MPR Product Page


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

Natus sleep supplies for PSG testing

  • Grass® Genuine Gold 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 – Natus Medical Store (available in select markets)

Related Neuro Products

Sleep Supplies

Natus® XactTrace® RIP Respiratory Effort Belts

Remove term: In-Lab Testing In-Lab Testing

Natus® Embla® SDx PSG Amplifier

PSG Software

Natus® SleepWorks™ PSG Software

Contact your Natus representative

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