User Guide (English)
Introduction
Box Contents
Stealth Pro Transmitter (x1)
Stealth Pro Receiver (x2)
Power Adapters (x3)
Mini-XLR to XLR Cables (x2)
Removable Antennas (x6)
M10 Rigging Bolts (x2)
Support
For the latest information about this product (system requirements, compatibility information, etc.)
and product registration, visit altoprofessional.com.
For additional product support, visit altoprofessional.com/support.
Important Safety Precautions
Please note: Alto Professional and inMusic are not responsible for the use of its products or the
misuse of this information for any purpose. Alto Professional and inMusic are not responsible for the
misuse of its products caused by avoiding compliance with inspection and maintenance procedures.
Please also refer to the included safety and warranty manual for more information.
Sound Level
Permanent hearing loss may be caused by exposure to extremely high noise levels. The U.S.
Occupational Safety and Health Administration (OSHA) has specified permissible exposures to
certain noise levels. According to OSHA, exposure to high sound pressure levels (SPL) in excess of
these limits may result in hearing loss. When using equipment capable of generating high SPL, use
hearing protection while such equipment is under operation.
Hours per day
SPL (dB)
8
90
6
92
4
95
3
97
2
100
1.5
102
1
105
0.50
110
0.25 or less
115
Short Rack Ear (x2)
Long Rack Ear (x1)
M4 Rack Ear Coupling Bolts (x5)
Center Coupling Bracket (x1)
User Guide
Safety & Warranty Manual
Example
Small gig
Train
Subway train
High level desktop monitors
Classical music concert
Riveting machine
Machine factory
Airport
Rock concert
3