Alto Professional Stealth Stereo Wireless System for Active Speakers

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    Product Description

    The easy-to-use Stealth Wireless system from Alto Professional replaces hundreds of feet of audio cable with a reliable wireless connection. Compatible with all active loudspeakers, as well as traditional passive speaker/amplifier setups, this expandable two-channel system delivers interference-free sound.

    Alto Professional Stealth Speaker Wireless System Features

    • Add wireless audio connectivity to any active loudspeaker
    • Enjoy faster setups and teardowns
    • Eliminate complex cable runs
    • Dual-channel transmitter (x1) with two XLR+1/4
    • Single-channel receivers (x2) with one XLR output (per unit)
    • Replaces up to 200' of console-to-system cabling
    • No compromise in audio quality
    • Reliable UHF band; 16 selectable channels
    • Adjustable squelch eliminates interference
    • Grow your system using the Stealth Wireless Expander Pack* (sold separately)
    • Transmitter: (2) XLR+1/4 combo inputs
    • Receiver: (1) XLR output (per receiver)
    Save Time. Save Money.
    Enjoy faster setups, quicker teardowns, and eliminate complicated or unsightly cable runs, regardless of the venue. The Stealth Wireless system quickly creates a robust, invisible connection from the output of your mixer or DJ controller to the inputs of your active loudspeakers. There’s no need to snake, secure, or hide any cabling during set up. After the show, simply disconnect the system and be on your way—no more tedious cable coiling at the end of the night.

    Everything You Need
    This complete, ready-to-use system contains a stereo (2-channel) transmitter, plus two single-channel receivers. The transmitter is equipped with XLR+1/4" combo inputs to accommodate nearly any type of mixer or other audio source. Each receiver provides a single XLR output. Two XLR cables are included. The Stealth Wireless also includes an assortment of mounting hardware, used to secure the receivers in place.

    Simple Setup
    First, Connect the transmitter. Plug the main outputs of your mixer or DJ controller into the Stealth Wireless transmitter, using either the XLR or 1/4" inputs.

    Next, Connect the receivers. Take the XLR output on the Stealth Wireless Receiver and connect it to the input of your active loudspeaker, or to the input of your amplifier/speaker combination. Repeat this step for the second receiver.

    Turn the transmitter on first, and then the receivers. It’s that easy. Select any one of the 16 reliable UHF channels to minimize interference. The squelch control can be manually set to one of three levels for optimal performance. As your needs change, you can add more receivers to your system with the Stealth Wireless Expansion Pack.

    Alto Professional Stealth Speaker Wireless System Includes
    • Stealth Wireless Transmitter
    • Stealth Wireless Receivers (x2)
    • Power supplies (x3)
    • XLR cables (x2)
    • M10 screws (x2)
    • Machine screws (x2)
    • Hook and loop strips (x2)
    • User Guide
    • Safety and Warranty Manual

    Product Specifications
    Alto Professional Stealth Speaker Wireless System Specifications


    • Type: Dual Channel Transmitter
    • RF Frequency: 610 - 640 MHz
    • Oscillation Type: PLL
    • Preset Channels: 16 Channels (stereo)
    • Frequency Response: 50 Hz ~ 17 kHz / 3dB
    • Bandwidth: 24 MHz or 30MHz
    • Frequency Stability: 0.005%
    • Frequency Deviation: 20 kHz
    • LED Indicators: Power On/Off, Sig/Clip
    • Power External Adaptor, 12 VDC/300 mA
    • Output Power: <10 mW
    • Controls: Power Switch; Channel Select; Mono/Stereo Switch
    • Dimensions: 6.32 x 5 x 4 inches (with antennae)
    • Weight: 10.2 ounces (290 grams)
    • Type: Single Channel Receiver
    • Preset Channels: 16 Channels
    • RF Frequency: 610 - 640 MHz
    • S/N Ratio: >100 dB/A
    • RF Sensitivity: -100 dBm
    • Image Rejection: >70 dB
    • T.H.D.: < 0.5% @ 1kHz
    • LED Indicator: Power On, RF/AF LED Indicator
    • AF output Impedance: 660Ω balanced
    • Squelch: 3-step & Pilot Tone
    • Operation Voltage: 12 VDC, 300 mA
    • Dimensions: 4.58 x 2.74 x 1.24 inches (with antennae
    • Weight: 117.7 g, (4.15 oz.)
    Buy with Confidence
    All wireless microphone systems available through AMS are compliant with current FCC rules for safe operation without a license when they leave our warehouse. This particular wireless microphone device operates in portions of the 617-652 MHz or 663-698 MHz frequencies. Beginning in 2017, these frequencies are being transitioned by the FCC to the 600 MHz service to meet increasing demand for wireless broadband services. Users of this device must cease operation on these frequencies no later than July 13, 2020. In addition, users of this device may be required to cease operations earlier than that date if their operations could cause harmful interference to a 600 MHz service licensee's wireless operations on these frequencies. To learn more about the FCC’s rules regarding wireless microphones (which are subject to change), please call the FCC at 888-CALL-FCC (TTY: 888-TELL-FCC) or visit
    Helpful Info about the Manufacturer
    Phone:  401-658-3131 Warranty:  1 Year
    Johnny Goodrum
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    Easy setup and works great!
    Product Rating
    What is your opinion of this product?
    I bought this system to send a signal to some powered speakers that would be a good distance away from the mixer. The setup was very easy and the results we're excellent, I highly recommend this system for anyone wanting to eliminate the speaker cables.
    Jaime A Rodriguez
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    Freedom from the cords...
    What is your opinion of this product?
    Works great, easy to use.
    Phil Smith,
    Product Rating brightstardullstardullstardullstardullstar
    Not as started! Would not work with passive speakers!
    What is your opinion of this product?
    Does not work with my passive system as stated! Needed it for a gig, could not get it to work using the provided instructions> I'll be asking for an RMA to return.. I can not recommend this item! Do NOT,waste your money or time with this item!!!!
    Product Rating brightstarbrightstarbrightstarbrightstardullstar
    This wireless system works but some drop out will happen
    What is your opinion of this product?
    This works but you need time to test it out if you going to use it. I used it for restaurant gig. I had speakers at opposite ends of the restaurant and it was working and then it have some small interface every once and a while.
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    Well worth the money!!
    What is your opinion of this product?
    People are shocked that there are no xlr cable running and the sound is amazing!!!
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    allows a lot more flexibility to your setup
    What is your opinion of this product?
    Great add on to expand flexibility to speaker placement.
    Product Rating brightstarbrightstardullstardullstardullstar
    What is your opinion of this product?
    It worked for about two dances then it just stopped, lost signal and never can get it to lock up again. It's a paper weight now.
    Horace - DJ REDD,
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    Well worth the money!!
    What is your opinion of this product?
    I've used this wireless system several times and it works great. Saves time on not having to run XLR cables a long way and I don't have to worry about cables getting damaged in doorways. I've used it up to 200' with no issues.
    Erroll Gardner
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    What is your opinion of this product?
    Tony L
    Product Rating brightstarbrightstarbrightstarbrightstarbrightstar
    Best piece of equipment in my rig
    What is your opinion of this product?
    The Stealth Pro works perfect for weddings that require you to have speakers outside without wires. I had no drop outs, just clean sound.Thank you Alto for this concept.
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    MSRP: $499.00
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