Alto Professional STEALTHWPROXUS Stealth Wireless Pro Audio Connection System for Active Loudspeakers


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The Alto STEALTHWPROXUS Professional Stealth Pro is a state-of-the-art wireless solution that eliminates the need for speaker cabling and offers even greater performance capabilities than the already outstanding original Stealth Wireless system.

With Stealth Pro, it's easy to add wireless audio connectivity to any active loudspeaker, obviating the necessity for long, complex cable runs, simplifying setup and teardown, saving time--all without any compromise in audio quality. The system works perfectly well through walls, floors and ceilings, providing setup flexibility that far exceeds conventional hard-wired systems.

Stealth Pro contains a single dual-channel transmitter with a 2-antenna system (either dual mono or stereo switchable) for true diversity operation. A front panel LCD screen with dual frequency display conveniently shows the RF frequency and channel as well as the AF signal level for each channel.

The trim-sized unit is easily 1U rack-mountable, with two units fitting side-by-side in a 19-inch rack. The Stealth Pro adds wireless connectivity to nearly any active loudspeaker system. In addition, the Stealth Wireless Series greatly reduces the setup time of a traveling or temporary sound system by eliminating the need for lengthy and unsightly cable runs that may otherwise interfere with the dance floor, patrons, or venue staff.

Stealth Pro can be set for mono or stereo use. Two XLR + balanced TRS 1/4-inch combo inputs on the transmitter accommodate the main outputs from nearly any mixing board or console. Each of the receiving units has a single XLR output to send the signal to a powered speaker array or a traditional amplifier-and-speaker combo. Two receivers are included with the system. They feature slim-line metal housings, dual removable and swiveling hinged antennae, delay line functionality and a Feature Lock Switch to prevent unintended operation once the system is configured.

  • Features:

    • Dual-channel UHF Transmission and True Diversity reception for mission critical applications
    • Replace audio cable runs of more than 200 feet (61 meters)
    • Auto frequency scan and sync between transmitter and receiver units
    • Backlit dual LCD displays with RF and AF metering
    • Aluminum and steel enclosures and removable antennae
    • Switchable stereo or dual mono operation
    • Built-in delay line functionality for hassle-free delay stacks configuration
    • 1U rack-mountable metal housing allows 2 units to be mounted side-by-side in a 19" rack with included kit
    • Two XLR + balanced TRS 1/4" combo inputs
    • Single XLR output sends the signal to powered speaker array a traditional amplifier-and-speaker combo
  • Specifications:

    • Transmitter
    • Frequency Response: 50 Hz - 17 kHz, ±3 dB
    • Frequency Range: 540-570 MHz (USA), 614-640 MHz (EU), 606-640 MHz (UK)
    • Channels: Up to 700 selectable UHF frequency bands (regional dependent)
    • Wireless Range: 330 feet (100 meters)
    • Bandwidth: 50 KHz
    • Oscillation Type: PLL
    • Frequency Stability: ±0.005%
    • Frequency Deviation: ±20 kHz
    • Inputs: 2 combo XLR and 1/4" (6.35 mm) TRS
    • Power: 12 V, 1.0 A
    • Dimensions (width x depth x height): 6.75" x 5.7" x 1.75" / 172 mm x 145 mm x 45 mm
    • Weight: 1.6 lb. / 0.73 kg

    • Sensitivity: -100 dBm
    • Image Rejection: > 70 dB
    • T.H.D.: < 0.05% @ 1 KHz
    • Outputs: 1 mini-XLR
    • Output Impedance: 600 ohm balanced
    • Power: 12 V, 1.0 A
    • Dimensions (width x depth x height): 2.75" x 1.13" x 4.5" / 70 mm x 29 mm x 115 mm
    • Weight 0.6 lb. / 0.3 kg
  • Item Includes:

    • 1x Stealth Pro Transmitter
    • 2x Stealth Pro Receiver
    • 3x Power Adapters
    • 2x Mini-XLR to XLR Cables
    • 6x Removable Antennas
    • 2x M10 Rigging Bolts
    • 2x Short Rack Ear
    • 1x Long Rack Ear
    • 5x M4 Rack Ear Coupling Bolts
    • 1x Center Coupling Bracket
    • 1x User Guide
    • 1x Safety & Warranty Manual

STEALTHWPROXUS - Required Accessories

    California Residents:
    Cancer and Reproductive Harm -