Otto NoizeBarrier User Manual

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QUICK REFERENCE
NoizeBarrier® Micro Comms Kit
INTRODUCTION
The NoizeBarrier
®
Micro Comms Kit comes in three different Surveillance Kit
options; Single Ear Kit and optional ear plug, Enhanced Single Ear Comms
Kit with transducer, or Enhanced Dual Ear Comms Kit with transducer.
INSTALLATION
EARTIPS
All options come with eartips designed
specically to work with OTTO’s NoizeBarrier
®
Micro electronic earplugs. There are two stems
in the back of each eartip, a STRAIGHT stem,
and an ANGLED stem.
1
Install the eartip of the NoizeBarrier
®
Micro by
inserting it into the STRAIGHT stem of the eartip.
2
a. In option A install the OTTO acoustic tube to the
ANGLED stem of the eartip. The tube should be
rotated until it points upward at a right angle from
the Micro body.
b. In option B-for wired kits, install the transducer
to the ANGLED stem of the eartip. The wire
should be rotated until it points upward at a
right angle from the Micro body and ts securely
around the outer ear.
3
When the Micro is inserted into the ear, the larger portion of the Micro
body should angle towards the rear of the cochlea, with the curved
windscreen facing forward to the user’s face.
Designed, Manufactured and Engineered
in the U.S.A. for More Than 50 Years
©2020 OTTO Engineering, Inc. All Rights Reserved
You may also contact Customer Service
M-F, 7:30 - 5:00 (CST)
Toll-free: +1-888-234-6886 | Direct: +1-847-428-7171
PRODUCT REGISTRATION
Register to receive email alerts whenever updates or mission critical
information regarding your product becomes available.
https://go.otto-comm.com/product-registration
This product can expose you to chemicals including lead, which is known to the
State of California to cause cancer & other reproductive harm. For more information
go to www.P65Warnings.ca.gov
804479 | 10/2020
STRAIGHT
stem
ANGLED
stem
Option 2a
Option 2b

Otto NoizeBarrier Specifications

General

Frequency Response	20 Hz - 20 kHz
Polar Pattern	Omnidirectional
Connectivity	Wired
Sensitivity	-38 dBV/Pa
Impedance	32 ohms
Connector	3.5mm jack
Cable Length	1.2m
Signal-to-Noise Ratio	≥70dB

Summary

Introduction to the NoizeBarrier® Micro Comms Kit

NoizeBarrier® Micro Comms Kit Options

Details the three available Surveillance Kit options: Single Ear, Enhanced Single Ear, and Enhanced Dual Ear.

Installation Guide

Eartip and Component Installation

Instructions for installing eartips, acoustic tubes, and transducers into the Micro electronic earplugs.

Quick Reference: Single Ear Kit

Single Ear Kit Acoustic Tube Adjustment

Guidance on adjusting the acoustic tube for proper fit and direction over the ear.

Quick Reference: Enhanced Kits

Enhanced Single and Dual Ear Kits Setup

Confirms eartip placement and refers to Single Ear Kit for tube installation.

Transducer Replacement Procedure

Step-by-step guide on how to safely remove and replace the transducer for wired kits.

Powering On/Off

Hearing Protection Warning

Audio Output and Hearing Damage Risk

Warning about potential hearing damage from modifying devices or exceeding noise regulations.

Product Registration and Support

Product Registration Information

Instructions for registering the product to receive updates and critical information.

Customer Service Contact

Provides contact details for customer service, including phone numbers and operating hours.