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User Manual

Complete user guide covering installation, configuration, operation, and specifications of the AIO system.

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Overview

The Echo AIO™ test system is a modular audio test platform ideally suited for high-volume production line testing and QA/QC verification. The AIO combines the functionality of multiple standalone devices into a single, integrated unit, making test stations both more reliable and less expensive. The AIO Test System features a modular design consisting of an AIO Chassis, an AIO Interface Module, and one or two test modules, providing flexible configuration options to meet diverse testing requirements.

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Features

  • High accuracy - Professional-grade measurements for production environments
  • Cost effective - Integrated design reduces equipment costs
  • Silent operation - Fanless design for quiet test environments
  • Standard USB 2.0 audio class interface - Universal compatibility
  • Wide test & measurement software compatibility - Works with industry-standard applications
  • Cross-platform support - Runs on Windows (10 or later) or macOS
  • Multiple audio protocols - ASIO, WASAPI, & Core Audio support

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Applications

  • Speakers & headphones
  • Mobile devices
  • Car audio
  • Microphones
  • Analog and digital audio
  • And more…

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Test Modules

The AIO system supports various test modules for different applications:

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A - Acoustic Module

  • Four mic/line inputs with CCP, TEDS
  • Two 10 W class-D amplifier outputs
Ideal for comprehensive acoustic testing applications.

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L - Line-level Module

  • Four mic/line inputs with CCP, TEDS
  • Two balanced line-level outputs
Perfect for professional audio equipment testing.

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S - Speaker Module

  • Two mic/line inputs with CCP, TEDS
  • Two 10 W class-D amplifier outputs
  • Built-in speaker impedance measurement
Specialized for speaker testing and characterization.

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H - Headphone Module

Two mic/line inputs with CCP, TEDS; two headphone/earbud outputs with impedance measurement. Designed for headphone and earbud testing.

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T - TDM Module

Digital TDM interface supporting up to 10 channels with 24 or 32 bit samples. Enables digital audio interface testing.

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Technical Specifications

  • Input impedance: 1 MΩ
  • Input coupling: AC
  • Input gain: 1x, 10x, and 100x
  • Voltage, full scale (1x gain): 8.75 Vpk (+15.8 dBV)
  • Frequency response:
    • ±0.01 dB (10 Hz – 22 kHz) (48k SR)
    • ±0.01 dB (10 Hz – 44 kHz) (96k SR)
    • ±1 dB (10 Hz – 86 kHz) (192k SR)
  • Input bandwidth (-3 dB @ 192k SR): 94 kHz
  • Dynamic range (20 kHz BW): 112 dB
  • THD+N (1x gain, 20 kHz BW): < -105 dB (20 Hz – 20 kHz)
  • Constant current supply: CCP/IEPE/ICP, 4 mA
  • TEDS reader: IEEE 1451.4 Class 1
  • Output coupling: DC
  • Voltage, maximum:
    • 16 Vrms (+24 dBV) (balanced)
    • 8 Vrms (+18 dBV) (unbalanced)
  • Frequency response:
    • ±0.01 dB (10 Hz – 21 kHz) (48k SR)
    • ±0.01 dB (10 Hz – 43 kHz) (96k SR)
    • ±1 dB (10 Hz – 75 kHz) (192k SR)
  • Output bandwidth (-3 dB @ 192k SR): 90 kHz
  • Dynamic range (20 kHz BW): 120 dB
  • THD+N (20 kHz BW): < -102 dB (20 Hz – 20 kHz)
  • Output coupling: AC
  • Load, minimum: 4 Ω
  • Voltage, full scale: 9.475 Vrms (8 Ω load)
  • Power output (20 Hz – 20 kHz, all channels driven):
    • 10 W @ <0.2% THD+N (8 Ω load)
    • 6 W @ <0.3% THD+N (4 Ω load)
  • Frequency response: ±0.2 dB (10 Hz – 20 kHz) (8 Ω load)
  • Output bandwidth (-3 dB @ 192k SR): 44 kHz
  • Dynamic range (20 kHz BW): 100 dB
  • Impedance measurement accuracy: ≤ 0.5% (20 Hz – 20 kHz)
  • Output coupling: DC
  • Load, minimum: 16 Ω
  • Voltage, maximum: 3 Vrms (+9.5 dBV) (≥ 32 Ω load)
  • Current, maximum: 125 mA
  • Power output (20 Hz – 20 kHz, all channels driven):
    • 281 mW @ < 0.0016% THD+N (32 Ω)
    • 250 mW @ < 0.0019% THD+N (16 Ω)
  • Frequency response:
    • ±0.01 dB (10 Hz – 21 kHz) (48k SR)
    • ±0.01 dB (10 Hz – 43 kHz) (96k SR)
    • ±1 dB (10 Hz – 75 kHz) (192k SR)
  • Output bandwidth (-3 dB @ 192k SR): 89 kHz
  • Dynamic range (20 kHz BW): 120 dB
  • Impedance measurement accuracy: ≤ 1% (20 Hz – 20 kHz)
  • Channels: 2, 4, 8, or 10
  • Clock source: Internal or external
  • Bits per frame: 64, 128, or 256
  • Bits per sample: 24 or 32
  • Frame sync width: 1 – 128 bits
  • Frame sync position: Bit 0 – 255
  • Sample rate: 44.1k, 48k
  • Power: 90 – 264 VAC, 50/60 Hz, 60 W
  • Dimensions: 17.5” (44.4 cm) × 8.75” (22.2 cm) × 1.75” (4.4 cm)
  • Weight: 42.5 lbs (19.3 kg)
See individual module datasheets for complete specifications.

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Software

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Test & Measurement Software

The AIO system works with a wide variety of third-party test and measurement software, including:
  • APx500 Flex - Audio Precision analysis software
  • ARTA - Audio measurement and analysis
  • LabVIEW - Custom test automation
  • MATLAB - Advanced signal processing
The AIO system works just like a standard sound card for Windows, Mac, or Linux.

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Control Panel Software

The AIO Control Panel provides comprehensive level monitoring and control over hardware settings, including:
  • Transducer power management
  • TEDS data configuration
  • Gain control
  • TDM format settings
  • Calibration
  • Command-line and API access to settings

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Software & Drivers

Windows Driver

ASIO driver with control panel for Windows 10/11

macOS Support

Native Core Audio support for Mac computers

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Resources

Quickstart Guide

Get started quickly with your AIO system - setup, configuration, and basic operation guide.

Technical Datasheets

Access detailed specifications for the AIO system and all available modules (A, H, L, S, and T modules).

AIO LabVIEW Driver

Version 4.3 - LabVIEW IntegrationDownload LabVIEW Installer →

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Contact Information

Technical Support

https://echotm.com/contact-support/
Website: www.echotm.com
Phone: +1 (805) 880-5590
Hours: Monday-Friday, 9 AM to 5 PM PST
Address: 402 E Carrillo St Ste A, Santa Barbara, CA 93101 USA