AIO-S2

4 Channel Acoustic Test Interface with 2 channel impedance measurement

AIO-S2

The Echo AIO-S2 is a 4-channel acoustic interface designed for production-line testing and QA/QC verification. Combining four 10W amplifier outputs and four mic/line analog inputs in a single unit, the AIO-S2 is an integrated, cost-effective, and reliable high-throughput audio test solution. Two of the amplifier outputs include a 0.1 Ohm sense resistor to facilitate 2 channel impedance measurements. Four additional line inputs are dedicated to voltage monitoring (VMON) and current monitoring (IMON)
for each impedance measurement output.

Each 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).

The AIO-S2 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 amplifier outputs

Locking universal power connector

2 amplifier outputs with impedance measurement

Locking USB 2.0

USB 2.0 audio with locking connector

specifications

specs

Sample rates48 kHz, 96 kHz, and 192 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
Output power (THD+N < .1%)10 W continuous at 1 kHz
Maximum output voltage13.5 Vpk
Frequency response±0.5 dB 20 Hz – 20 kHz
Frequency response±0.5dB 20 Hz – 20 kHz
Full-scale input voltage17.5 Vpk
Full-scale input current8.75 Apk
THDN (1x gain, A-weighted)< -95 dB 20 Hz – 20 kHz

The SPKR connector is both an amplified output and a voltage/current monitoring input for impedance measurement.

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 (6 AIOs)
22” (55.8 cm) x 22” (55.8 cm) x 17” (43.1 cm)
59.5 lbs (27 kg)

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