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Document Number 411-0035-31 Rev A – September 2021

Installing the

EasyUSB MicPOD I/O Four-Channel Microphone

Interface

The EasyUSB MicPOD I/O microphone interface brings audio from up to four Vaddio EasyMic-

compatible microphones into a non-EasyMic environment, typically connecting to a professional audio

mixer.

Overview

This manual covers:

EasyUSB MicPOD I/O Microphone Interface:

999-8535-000 (North America)

999-8535-001 (Europe/UK)

999-8535-009 (Australia/New Zealand)

About this Manual

Information in this manual includes:

Physical features

Installation

Troubleshooting

Features

The EasyUSB MicPOD I/O interfaces up to four Vaddio EasyMic conference room microphones into a

non-EasyMic environment such as a professional mixer.

Connections for four EasyMic conference room microphones

Four balanced line outputs

Connection for AEC reference signal from the mixer

Product Compatibility

The EasyUSB MicPOD I/O maintains compatibility with Vaddio's EasyMic products, including the new

CeilingMIC and TableMIC products. It is not compatible with EasyIP products.

Installation

This section covers:

Tips for a successful audio installation

Cabling notes

Connection diagrams

Preparing for a Successful Audio Installation

Tips for avoiding common audio problems:

Place microphones closer to the people talking than to the room's speakers. This helps maintain

quality echo cancellation.

To prevent audio feedback, install microphones at least 4 ft. (1.2 m) from speakers. More separation

is better.

The EasyUSB MicPOD I/O requires an AEC reference input; otherwise echo cancellation is not

available.

Don’t Void Your Warranty!

Caution

This product is for indoor use. Do not install it outdoors or in a humid environment without the appropriate

protective enclosure. Do not allow it to come into contact with any liquid.

Do not install or operate this product if it has been dropped, damaged, or exposed to liquids. If any of

these things happen, return it to Vaddio for safety and functional testing.

Cabling Notes

Caution

Do not use pass-through RJ-45 connectors when making cables for this product. Poorly

crimped connectors of this type can cause intermittent connections and degraded signal

quality. They can also damage the connectors on the product, which will void your warranty.

Intact – will make reliable contact

with cable connector

Damaged – Bent contact fingers

will NOT make reliable contact

with cable connector

When making cables for this product, use Cat-5e or better cable. We recommend using high-quality

connectors and a high-quality crimping tool.

We recommend shielded cabling if the cables will be coiled, run tightly with other cables, or routed near

sources of electromagnetic interference such as power lines or fluorescent light fixtures.

Caution

Check your cables. Connecting a cable to the wrong port or using the wrong pin-out can result in

equipment damage and will void the warranty.

Pro Tip

Label all cables at both ends.

Installation Guide for the EasyUSB MicPOD I/O Microphone Interface

Basic Connections

Up to four EasyMic-compatible microphones connect to the inputs. Four balanced line-level audio

channels from the EasyUSB MicPOD I/O connect to a professional mixer. An AEC reference signal from

the mixer feeds into the EasyUSB MicPOD I/O, which sends it to the microphones for echo cancellation.

About Echo Cancellation

In a conferencing environment, a microphone picks up the audio from a speaker (far-end audio) during a

conference. When it sends the far-end audio back to the participants at the far end, it creates an echo.

The same thing can happen in a non-conferencing environment, too. Acoustic echo cancellation

prevents this.

Here's how it works:

1. The speaker feeds audio into the room. This signal also goes to the audio processor as the reference

that needs to be canceled.

2. The audio processor inverts the signal and sends it to the microphone.

3. The sum of the audio that the microphone picks up from the speaker and the inverted signal is 0: The

echo is canceled.

Installation Guide for the EasyUSB MicPOD I/O Microphone Interface

Produktspecifikationer

Varumärke:	Vaddio
Kategori:	mikrofon
Modell:	EasyUSB MicPOD
Produkttyp:	Mikrofon
Vikt:	51 g
Bredd:	63.5 mm
Djup:	63.5 mm
Höjd:	63.5 mm
Gränssnitt:	RJ-45
Känslighet:	90 dB
Total harmonisk distorsion (THD):	0.02 %
Mikrofonfrekvens:	20 - 20000 hz
Kabellängd:	0.91 m
Produktens färg:	Svart
Monteringsbar på väggen:	Nej
Temperatur vid drift:	0 - 40 ° C
Mikrofonvikt:	51 g
Frekvensområde:	20 - 20000 hz
Placeringar som kan användas:	Tak
Anslutningsteknologi:	Kabel
På / av-knapp:	Ja
Brand kompatibilitet:	Vaddio
Mikrofondämpning:	Ja
Antal:	1
Mikrofon, riktning:	Riktad / Kardioid
Mikrofon Total Harmonic Distortion (THD):	0.02 %
Mikrofonmått (D x H):	63.5 x 63.5 mm