AIO-LT

Combination Line-level And Digital Test Interface

AIO-LT

The Echo AIO-LT is a combination acoustic and digital test interface built for production-line testing and QA/QC verification. Combining two balanced line-level/headphone outputs, four mic/line analog inputs, and a 10-channel full duplex TDM bus in a single unit, the AIO-LT is an integrated, cost-effective, and reliable high-throughput audio test solution.

Each analog input can be individually configured as a line level input or as a measurement microphone input. Microphone inputs include an IEPE microphone conditioning amplifier with integrated constant current power supply (CCP). Line level outputs can also drive most headphones.

The AIO-LT presents a standard USB audio sound card interface and is compatible with most audio test software including APx Flex, LabVIEW, Soundcheck, and ARTA.

features

features

4 IEPE microphone / line inputs with TEDS

2 differentially balanced line / headphone outputs

10×10 TDM interface

Locking USB 2.0

USB 2.0 audio with locking connector

Locking USB 2.0

Quiet fanless design

specifications

specs

Sample rate48 kHz
USBUSB 2.0 audio class compliant
Supported operating systemsWindows 7 or later
macOS
Audio APIsASIO, WASAPI, CoreAudio
AC PowerUniversal power supply
90 - 264 VAC at 50 or 60 Hz
Input bandwidth72 kHz
Input impedance1 MΩ
Input gain1x, 10x, and 100x
Full-scale input voltage (1x gain)8.75 Vpk
Maximum input voltage15 Vpk (do not exceed)
Dynamic range (1x gain, A-weighted)> 110 dB
THD+N (1x gain, A-weighted)< -95 dB (20 Hz – 20 kHz)
Frequency response±0.5 dB (20 Hz – 20 kHz)
Constant current supply4 mA, 21 V excitation voltage
TEDSIEEE 1451.4 Class 1
Minimum load600 Ω
Full-scale output voltage2 Vrms (+6 dBV)
Frequency response±0.02 dB (20 Hz – 20 kHz)
Output bandwidth (-3 dB)90 kHz
Dynamic range (A-weighted)> 117 dB
THD+N (A-weighted)< -100 dB (20 Hz – 20 kHz)
Channels2, 4, 8, or 10
Clock sourceInternal or external clock sync
Bits per frame64, 128, or 256
Bits per sample24 or 32
Frame sync width1 - 128 bits
Frame sync positionBit 0 - 255
Single unit
17.5” (44.4 cm) x 8.75” (22.2 cm) x 1.75” (4.4 cm)
7.2 lbs (3.3 kg)
Single unit boxed with cables
21” (53 cm) x 10” (25.4 cm) x 5” (12.7 cm)
8.75 lbs (4 kg)
Shipping carton (4 AIOs)
22” (55.8 cm) x 22” (55.8 cm) x 12.6” (32 cm)
42.5 lbs (19.3 kg)

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