AIO
Test System

The Echo AIO ™ Test System is a modular audio test platform ideally suited for high-volume continuous mass production. 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 comes in a variety of configurations with flexible analog and digital I/O options.

The AIO is USB 2.0 audio class compliant, so it works just like a sound card. Standard audio drivers provide seamless support with industry-leading audio test software.

The design of the AIO draws on our decades of experience creating high-quality consumer and professional audio interfaces. Since its introduction in 2014, the AIO has been used to test hundreds of millions of products. The AIO is a proven, field-tested, cost-effective, and accurate audio test solution.

Applications

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

Features

  • High accuracy
  • Cost effective
  • Silent—no fan!
  • Standard USB audio interface
  • Wide test & measurement software compatibility
  • ASIO, WASAPI, & Core Audio protocols.

modules

modules

The AIO Test System is a modular design consisting of an AIO Chassis, an AIO Interface Module, and one or two test modules. Individual modules not sold separately. 

common configurations

common configurations

Inner Module Outer Module Mic/Line Inputs Line Outputs Headphone Outputs Amp Outputs Impedance Digital 5VDC Fixed Battery Simulator GPIO PTH
AIO-A1 AIO-A 4 2
AIO-A2 AIO-A AIO-A 8 4
AIO-AC AIO-A AIO-C 4 2 Yes Yes 8/8 Yes
AIO-AH AIO-A AIO-H 6 2 1
AIO-AT AIO-A AIO-T 4 2 TDM 10/10
AIO-C1 Yes Yes 8/8 Yes
AIO-H1 AIO-H 2 2 1
AIO-H2 AIO-H AIO-H 4 4 2
AIO-L1 AIO-L 4 2
AIO-L2 AIO-L AIO-L 8 4
AIO-LT AIO-L AIO-T 4 2 TDM 10/10
AIO-S1 AIO-S 2 2 1
AIO-S2 AIO-S AIO-S 4 4 2
AIO-SA AIO-S AIO-A 6 3 1
AIO-SL AIO-S AIO-L 6 2 2 1
AIO-ST AIO-S AIO-t 2 2 1 TDM 10/10
AIO-T1 AIO-T TDM 10/10

specifications

specs

1 MΩ
AC
1x, 10x, and 100x selectable
8.75 Vpk (1x gain, +15.8dBV)
±15 Vpk (do not exceed)
±0.01 dB 10 Hz – 22 kHz  (48k SR)
±0.01 dB 10 Hz – 44 kHz  (96k SR)
±0.1 dB   10 Hz –  86 kHz  (192k SR)
94 kHz (-3dB @ 192k SR)
112 dB (20 kHz BW)
< -105 dB (1x gain, 20 Hz – 20 kHz, 20 kHz BW)
17uV
-95 dB (SMPTE 4:1 @ full scale)
<-122 dB (20 Hz – 20 kHz)
<0.05 ° @ 20 kHz
CCP/IEPE/ICP, 4 mA
IEEE 1451.4 Class 1
102 Ω
DC
600 Ω
16 Vrms (+24 dBV) bal / 8 Vrms (+18 dBV) unbal
<±22.6 VDC (bal) / ±11.3 VDC (bal)
< ±1.6 mV
±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)
90 kHz (-3 dB @ 192k SR)
120 dB
< -102 dB (20 Hz – 20 kHz, 20 kHz BW)
17 µV (bal), 8.5 µV (unbal)
-101 dB (SMPTE 4:1 at full scale)
< -122 dB (20 Hz – 20 kHz)
< 0.1° @ 20 kHz
190 mΩ
AC
4 Ω
9.475 Vrms (8 Ω load)
< ±6 mV
10W @ < 0.2% THD+N (8 Ω load, 20 Hz – 20 kHz)
6W @ < 0.3% THD+N (4 Ω load, 20 Hz – 20 kHz)
±0.2 dB 10 Hz – 20 kHz ( 8 Ω load)
44 kHz (-3 dB @ 192k SR)
100 dB (20 kHz BW)
 100 μV
< -53 dB (0.5 mW, SMPTE 4:1)
<-70dB (20 Hz – 20 kHz), -95 dB @ 1 kHZ
< ±1.2° @ 20 kHz
350 mΩ
DC
16 Ω
3 Vrms (+9.5 dBV)
125 mA/channel
±4.24 VDC (32 Ω load or higher), ±2.8 VDC (16 Ω load)
< ±1.5 mV
(32 Ω) 281 mW @ < 0.0016% THD+N (20 Hz – 20 kHz)
(16 Ω) 250 mW @ < 0.0019% THD+N (20 Hz – 20 kHz)
±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)
89 kHz (-3 dB @ 192k SR)
120 dB (20 kHz BW)
2.8 μV
< -82 dB (> 375 µW)
< -119 dB (20 Hz – 20 kHz)
< ±0.1° @ 20 kHz
< 1% (20 Hz – 20 kHz)
17.5 Vpk
8.75 Apk
< -95 dB (20 Hz – 20 kHz)
±0.5 dB (20 Hz – 20 kHz)
> 2, 4, 8, or 10
Internal or external
64, 128, or 256
24 or 32
1 – 128 bits
> Bit 0 – 255
8/8
260 to 1260 hPa absolute
-40 °C – 90 °C ±0.2°
±1.5 % relative humidity
44.1 kHz – 192 kHz
USB 2.0 audio class compliant
Windows 10 or later, macOS
ASIO, WASAPI, Core Audio
90 – 264 VAC, 50/60 Hz, 60 W
17.5” (44.4 cm) x 8.75” (22.2 cm) x 1.75” (4.4 cm), 7.2 lbs (3.3 kg)
21” (53 cm) x 10” (25.4 cm) x 5” (12.7 cm), 8.75 lbs (4 kg)
22” (55.8 cm) x 22” (55.8 cm) x 12.6” (32 cm), 42.5 lbs (19.3 kg)
5 VDC, 1 A max
1 mVDC – 5 VDC, 1 A max, with
current measurement
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