Skip to content

Hardware Platforms

Compare IHS’s ABR and evoked potential testing equipment, the Duet, Aria, and Solo platforms, side by side. The tables below break down acquisition modes, stimulus types, and add-on modules like SmartEP-ASSR, SmartDPOAE, and SmartTrOAE for each system. See the full comparison brochure below, or visit each platform’s page for detailed specs.

Available Software

Duet

Aria

Solo

SmartEP

All features available
Some SmartEP modalities are limited or not available
ABR Only

SmartEP-ASSR

All features available
All features available
All features available

SmartScreener-Plus 2 AEP

All features available

SmartScreener-Plus 2 OAE

Not available

SmartDPOAE

Not available

SmartTrOAE

Not available

IntelligentVRA

Not available

SmartAud

Some features are not available

PetScreener

SmartEP-CAM

Not available
Not available

SmartScreener-Plus 2

Duet

Aria

Solo

Click Stimuli

All features available
All features available
All features available

Both Ears Simultaneous

All features available
All features available
All features available

Automatic Impedance Measure

All features available

OAE Mode

Not available

SmartEP

Duet

Aria

Solo

Acquisition Modes

Single or Dual Channel

Single Channel

Single Channel

ECochG

Available

Limited by Filters

ABR

Available
Available
Available

MLR/LLR

Available
Not available
Not available

P300/MMN

Available
Not available
Not available

eABR

Available
Not available
Not available

AAR/FFR

Available
Not available

cVEMP/oVEMP

Available
Not available
Not available

Visual EP

Not available
Not available
Not available

Somatosensory/eNoG

Not available
Not available
Not available

Stimulus Types

Click

Available
Available
Available

Tones

Available
Available
Available

Broadband iChirps

Available
Available
Available

Octave Band iChirps

Available
Available
Available

Complex

Available
Not available
Not available

Speech

Available
Not available
Not available

User Defined

Available
Limited usability due to hardware filters
Limited usability due to hardware filters

Stimulus Duration

Mode

uSec or Cycles

uSec or Cycles

uSec or Cycles

Click

100 us (customizable)

100 us (customizable)

100 us (customizable)

  • Tones

  • Speech

  • Other

  • up to 500 us (standard)

  • up to 8 s (AARM)

  • up to 500 us (standard)

  • up to 1 s (AARM)

up to 500 us

Masking

Specific Level

Available
Available
Available

Tracking Level

Available
Available
Available

Contralateral White Noise

Available
Not available
Not available

Ipsilateral Notched Noise

Available
Not available
Not available

SmartEP-ASSR

Duet

Aria

Solo

Up to 4 Frequencies per ear

Available
Available
Available

Both ears simultaneous

Available
Available
Available

Stimulus Types

Click

Available
Available
Available

Tones

Available
Available
Available

Ocatve Band iChirps

Available
Available
Available

User Defined

Available
Available
Available

SmartDPOAE

Duet

Aria

Solo

Stimulus

2 Pure Tones

Available
Limited usability due to hardware filters
Not available

User-defined Start and End

Available
Available
Not available

User-defined F2/F1 ratio

Available
Available
Not available

65/55 default stimulus level (modifiable)

Available
Available
Not available

Simulus level range 0 – 80 dB SPL

0 – 80 dB SPL

0 – 80 dB SPL

Not available
Frequencies per octave

1 – 10

1 – 10

Not available

Data points per DPGram

41

41

HIgh Frequency Mode

Available
Available
Not available

Analysis

Frequency Analisys Points

4096

4096

Not available

FFT Frequency Resolutions

9.8 Hz in Standard Mode

15.6 Hz in High Frequency Mode

9.8 Hz in Standard Mode

15.6 Hz in High Frequency Mode

Not available

Acquisition Time

102.24 ms

102.24 ms

Not available

SmartTrOAE

Duet

Aria

Solo

Acquisition Modes

Linear

Available
Available
Not available

Non-Linear

Available
Available
Not available

Suppression  Module (add -on)

Contralateral, Ipsilateral, and Binaural 

Contralateral (coming soon)

Not available

Dual Probe

Available
Not available
Not available

Stimulus

75 us Click default (adjustable)

Available
Available
Not available

Frequency Range

250 – 6000 Hz

250 – 6000 Hz

Not available

Stimulus rate (user-defined)

1/s  – 50/s

1/s  – 50/s

Not available

Simulus Level (adjustable)

0 – 95 dB SPL

0 – 95 dB SPL

Not available

Analysis

Frequency Analysis Points

1024

1024

Not available

FFT Frequency Resolution

39.1 Hz

39.1 Hz

Not available

Acquisition Time

  • 25.56 ms

25.56 ms

Not available

Stimulator Options

Duet

Aria

Solo

ER-3C Insert Earphones

Available
Available
Available

ER-2 Insert Earphones

Available
Not available
Not available

DD45 Headphones

Available
Not available
Not available

DD450 HF Headphones

B-81 Bone Conductor

Available
Not available
Not available

B-71 Bone Conductor

Available
Available
Not available

10D OAE Probe

Available
Available
Not available

Dual 10D OAE Probes

Available
Not available
Not available

Sound Field

Available
Not available
Not available

10B+ OAE Microphone

Available
Not available
Not available

High Frequency Transducers

Available
Not available
Not available