Alto Professional Stealth Pro Expander

Expand your Alto Stealth Pro wireless audio system with two more channels. The Alto Expander set includes two receivers that connect to your existing system.

Take your Alto Stealth Pro to the next level! The Stealth Pro Expander includes two additional single-channel UHF True Diversity receivers, making it easy to create a larger system or provide multi-room coverage. This pack includes everything you need to connect to your existing Alto Stealth Pro wireless audio system.


- Slim-line metal housing
- LCD displays on receivers. Displays AF signal levels and RF frequency and level strength
- Dual removable and swivel-able hinged antennas
- Delay line functionality
- Squelch function
- Feature lock switch
- Mini male XLR output with 3-foot cables included
- Controls for: Auto, Delay, +, -, L/R, SQ and Set
- (2) Single-space AC plug, non-polarized
- M10 mounting point plus velcro mounting materials included

Dimensions and Weight in Packaging
Base Item
Shipping Weight: 3.25 lbs
Shipping Dimensions: 13 x 12 x 3 in
Manufacturer Part Number (MPN): Stealth Pro Expander

Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: 401-659-8135


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