Alto Stealth Wireless MKII Expander Pack for Active Loudspeakers

Add an extra receiver to your Alto Stealth wireless system with the Alto Stealth Wireless MKII expander pack for seamless, high-quality, cable-free audio.

Take your Alto Stealth Wireless MKII to the next level! The Stealth Wireless MKII Expander Pack includes an additional single-channel UHF receiver, 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 Wireless MKII wireless audio system.


- Use to expand your existing Stealth Wireless MKII system
- Single-channel receiver with one 1/4" TRS output (per unit)
- Reliable UHF band; up to 100+ selectable channels (regionally dependent)
- Adjustable squelch eliminates interference

- Includes: Receiver, Power Adapter, TRS to XLR Cable, M10 Rigging Bolt and Washer, Hook-and-Loop Fastening Strip, User Guide, Safety and Warranty Manual
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 1.25 lbs
Shipping Dimensions: 10 x 8 x 3 in
Manufacturer Part Number (MPN): STEALTH MK2 EXP

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 these wireless systems are capable of violating the FCC guidelines stated above. Alto 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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