Video Chat with a Pro Audio Expert - Live

Alto Professional STEALTH 1 Mono Wireless System for Powered Speakers or Mics (542 to 566 MHz)

BH #ALSTEALTH1XN • MFR #STEALTH1XNA
Print
Alto Professional STEALTH 1 Mono Wireless System for Powered Speakers or Mics (542 to 566 MHz)
Key Features
  • Wireless for Mixer, Speaker, Dynamic Mic
  • Plug-On Transmitter and Plug-In Receiver
  • Single-Frequency, Mono Operation
  • Mic- and Line-Level Signal Compatibility
Live sound engineers can quickly turn any XLR connection between mixers, powered speakers, outboard gear, and even dynamic microphones into a wireless one with the portable Alto Professional STEALTH 1 Mono Wireless System. Versatile, compact, and convenient, the STEALTH 1 includes a plug-on transmitter and a plug-in receiver, both equipped with XLR connectors and compatible with mic- and line-level signals.
More Details
In Stock
No Store Display
Free Next Day Shipping
Protect Your Gear
Add a protection plan from $16.00
Ask an Expert
800-606-6969

Alto Professional STEALTH 1 Overview

Live sound engineers can quickly turn any XLR connection between mixers, powered speakers, outboard gear, and even dynamic microphones into a wireless one with the portable Alto Professional STEALTH 1 Mono Wireless System. Versatile, compact, and convenient, the STEALTH 1 includes a plug-on transmitter and a plug-in receiver, both equipped with XLR connectors and compatible with mic- and line-level signals.

The STEALTH 1 automatically scans 16 selectable frequencies to find a clean RF channel that's free from pesky interference and deliver clear and reliable wireless audio. With an operating range of up to 100' (line of sight), the system gives you the freedom to roam cable-free with your mic. And with unlimited running time via USB or 4+ hours running time using a single AA battery per unit, you can count on Stealth 1 to last through your entire set.

Convenient Wireless Wherever You Need It
  • Versatile, compact, and convenient
  • Wirelessly connect dynamic mics, mixers, powered speakers, and more
  • Plug-on transmitter
  • Plug-in receiver
  • Mic- and line-level signal compatibility
  • Single-frequency mono operation
  • XLR input and output connectors
  • 16 selectable UHF channels
  • Includes two micro-USB cables to connect the transmitter and receiver to a USB power adapter (available separately) for unlimited run time
  • Use one AA battery per unit for 4+ hour run time 
  • 100+' range (line of sight)
UPC: 816311012096

Alto Professional STEALTH 1 Specs

Key Specs
Wireless Technology
Analog UHF
Diversity
Non-Diversity
Max Operating Range
100' / 30.5 m (Line of Sight)
Receiver Type
1x Plug-In (XLR 3-Pin)
Number of Audio Channels
1
Included Transmitters
1x Plug-On Microphone
Microphone Type
No Microphone Included
Included Charging Case
No
System
Wireless Technology
Analog UHF
Diversity
Non-Diversity
RF Frequency Band
542 to 566 MHz
Number of RF Channel Frequencies
16
Max Operating Range
100' / 30.5 m (Line of Sight)
Max Transmitters per Band
2
Encryption
No
Built-In Recorder
No
Timecode Support
No
Mobile App Compatible
No
Receiver
Receiver Type
1x Plug-In (XLR 3-Pin)
Mounting Options
No
Antenna
1x Fixed External
Number of Audio Channels
1
Audio I/O
1x XLR 3-Pin Balanced Output  
Network I/O
No
USB/Lightning Connectivity
1x Micro-USB Female (Bus Power)
Display
Single-LED Indicators Only
Power Requirements
Battery, Bus Power (USB)
Transmitters
Included Transmitters
1x Plug-On Microphone
Antenna
Fixed External
Input Level
Microphone / Line
Audio I/O
1x XLR 3-Pin Female Input
Bias/Plug-In & Phantom Power
Has Bias/Plug-In Power: Voltage is Unspecified
No Phantom Support
USB I/O
1x Micro-USB (Bus Power)
Auto-Level/Gain
No
Display
Single-LED Indicators Only
Microphones
Microphone Type
No Microphone Included
Power
Receiver Battery Type
1x AA (Not Included)
Receiver Battery Life
4 Hours
Transmitter Battery Type
1x AA
Transmitter Battery Life
4 Hours
Included Charging Case
No
Charging Case
AC/DC Power Adapter
5 VDC at 150 mA (Not Included)
Physical
Environmental Resistance
No
Dimensions
Receiver:
4 x 0.9 x 0.9" / 102.5 x 22.9 x 22 mm

Transmitter:
4.5 x 0.9 x 0.9" / 114 x 22.9 x 22 mm
Weight
Receiver:
0.9 oz / 26 g

Transmitter:
1.1 oz / 32 g
Packaging Info
Package Weight
0.28 lb
Box Dimensions (LxWxH)
5.9 x 4.1 x 1.2"

Alto Professional STEALTH 1 Reviews

Frequency list

By Michael
Rated 5 out of 5
Date: 2025-05-29

Alto stealth 0 - 542.125 1 - 543.625 2 - 545.050 3 - 546.425 4 - 546.900 5 - 548.150 6 - 551.100 7 - 552.475 8 - 554.000 9 - 556.075 A - 558.975 b - 559.975 C - 561.050 d - 562.975 E - 564.425 F - 565.975

Realy Bad sound quality

By patrilk
Rated 2 out of 5
Date: 2023-03-05

The sound quality for this item is really bad I try different ways but those NTN work also getting discounted. So I don't recommend.

See any errors on this page?
Whatever You Need, We've Got It