ASTi Interface - Single (AI-S)

The AI-S is a compact audio and I/O distribution device that connects remotely located operator headsets, speakers, control panels and other peripherals to a central Voisus server via ethernet.

A comprehensive overview of the AI-S can be found in the Technical User Guide

General Specifications

Compatible with Voisus
Dimensions 4.860" length x 2.965" width x 1.17" height
Weight A packaged AI-S weighs 5oz.
Power Source Ethernet Port via Power over Ethernet (PoE).
Power Consumption <10w @ 56VDC
Mean Time Between Failure (MTBF) 1,970,288.06 hours

Audio Input/Output

Audio Input

Impedance 4.6k
Level 3.25 Vpp max (6.5 Vpp differential)
Gain 0dB, +9dB to +60dB, software configurable*

* The AI-S gain covers a total gain range of 60dB. The range 9dB to 60dB can be set in 3dB steps. The range 0dB to 9dB cannot be selected as a function of design.

Audio Output

Output Power 150 mW per Channel at 16Ω
Max. Output Signal 5 Vpp

Memory Devices


MCU Internal SRAM 96kB SRAM


MCU Internal 512kB


Serial Connection

Audio Interface Pinout