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User Guide (English)
Introduction
Thank you for purchasing the Alto Professional Stealth Wireless system. Stealth Wireless is a
convenient way to carry an audio signal from the main mixing and listening location to your powered
loudspeakers. Compatible with any active loudspeaker, this system can be used to simplify a new
installation or to retrofit an existing sound system. Welcome to the sound of wireless freedom.
Features:
• Wireless audio connectivity to active loudspeakers
• Replaces up to 200' of console-to-system cabling
• No compromise in audio quality
• Reliable UHF band; 16 selectable channels
• Adjustable squelch eliminates interference
• Dual-channel transmitter: two XLR-1/4" combo inputs
• Single-channel receivers: XLR output
• Grow your system using the Stealth Expander Pack (sold separately)
Box Contents
• Stealth Wireless Transmitter (x1)
• Stealth Wireless Receiver (x2)
• Hook and Loop Strips (for receivers)
• M10 Screws (x2)
• Machine Screws (x2)
• Power Adapters (x3)
• User Guide
• Safety & Warranty Manual
Support
For complete system requirements, compatibility information, and product registration, visit the Alto
Professional website: altoprofessional.com.
For additional product support, visit altoprofessional.com/support.
Important
CAUTION! Permanent hearing loss may be caused by exposure to extremely high noise levels. The
U.S. Government'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. The table below defines exposure for a given duration.
HOURS PER DAY SPL EXAMPLE
8 90 Small gig
6 92 Train
4 95 Subway train
3 97 High level desktop monitors
2 100 Classical music concert
1.5 102 Riveting machine
1 105 Machine factory
.50 110 Airport
.25 or less 115 Rock concert
