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Soundcast Universal AudioCast Transmitter

Turn your computer into a wireless music source for SoundCast systems

Item #: 751UAT250

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Use this transmitter to link your computer or another component wirelessly to a SoundCast speaker system, like the OutCast Junior, OutCast, or SpeakerCast. The transmitter connects to your computer via a USB port or to other components with a stereo output. It automatically syncs with your SoundCast speaker system in another room, for hassle-free setup.

Product Highlights:

  • turn your computer into a wireless music server
  • compatible with iTunes®, RealPlayer®, Windows Media® Player, and more
  • compatible with SpeakerCast, OutCast, and OutCast Junior systems
  • uses proprietary network with an indoor wireless range of 150' or more
  • 1-1/8"W x 6"H x 5/8"D
  • warranty: 1 year
  • Our 60-day money-back guarantee

Soundcast™ Universal AudioCast Transmitter Reviews

Average Customer Review:

1 Review

Simple Wirless

Written by: Elad from Oviedo, FL on July 28, 2014

Crutchfield Customer Review (What's this?)

Having purchased the Soundcast Outcast I wanted to be able to broadcast what I was playing inside my home to the backyard. With this device and Zone 2 on my receiver it all works through indoor/outdoor walls, block and stucco flawlessly with no discernible delay.

Pros: Works as advertised. Simple to hook up. Lights up to show when it is wirelessly connected to a Soundcast product in the powered on mode.

Cons: None discernable.

Hands-on research

What's in the box?

Download owner's manual

  • Universal audio transmitter
  • Power Supply
  • AC plug
  • 40" USB cable (with a USB type-A connector on one end and a USB type-B connector on other end)
  • 6.5' Stereo RCA cable
  • 6.5' Mini-to-stereo RCA cable
  • Metal base
  • Owner's Manual (Eng/Fre/Spa)

Product Research


FHSS (Frequency Hopping Spread Spectrum) Technology: The SoundCast UAT is an interference free, wireless 2.4 GHz universal audio transmitter. The SoundCast universal audio transmitter uses frequency hopping spread spectrum (FHSS) technology in which the transmitter constantly and automatically searches for open channels in the 2.4GHz band and jumps to them to avoid interference with other products (such as cordless telephones, radio controlled toys, cell phones, microwave ovens, remotes, and wireless routers), while telling your connected SoundCast speaker system or receiver (sold separately) which frequency to use, and ultimately send your connected source's audio signal wirelessly to your SoundCast speaker system or receiver.

Note: To complete your AudioCast system, you will need a SoundCast Receiver or a SoundCast wireless speaker system, such as the OutCast, OutCast Jr, SpeakerCast, or iCast (all sold separately).

Wireless Range: The SoundCast universal audio transmitter (UAT) has a range of 150' from your SoundCast speaker system or receiver (sold separately). Outdoors, the signal may carry up to 350' depending on conditions.

Note: The SoundCast UAT is not weather-resistant and not designed to be placed outdoors.

USB Input: The SoundCast's universal audio transmitter's mini-USB type-B port and supplied USB cable allows you to turn your computer into a wireless music server. Once connected you can wirelessly stream your computer's audio to any SoundCast speaker system or receiver (sold separately). Your PC or Mac will need to meet the following requirements to use this transmitter.

PC System Requirements Mac System Requirements
Pentium 4 or later
Windows XP or later
Available USB port
iTunes 4 or higher, Windows Media Player 9 or higher, Music match 9 or higher, RealPlayer 10 or higher
PPC G3 or later, or Intel based Mac
Mac OS 9.2 or Mac OS x 10.2 or later
Available USB port
iTunes 4 or higher

Note: If you have both a computer and a component attached to the UAT, the USB computer circuit will always take precedence. You will need to disconnect the computer in order to transmit audio form a component.

Media Player Controls: The SoundCast UAT allows you to control basic media player functions from any SoundCast speaker or receiver (sold separately). Its USB audio structure allows you to control basic functions of track forward, track back, pause/play for commonly used media players through USB connection to a Mac or PC.

Note: The SoundCast UAT, itself, does not offer any controls. The controls will be found on the SoundCast speaker system or receiver (sold separately).

Analog Audio Inputs: The universal audio transmitter's stereo RCA audio inputs allow you connect almost any audio source so you can wirelessly transmit your music to any SoundCast speaker system or receiver (sold separately).

Note: The UAT does not have an internal amplifier. Any speaker system that are attached to this unit must have internal amplifiers in order to play music.

Headphone Output: If you wish to connect the SoundCast UAT to a set of headphones, you may do so by inserting your headphone's plug into the 3.5mm headphone jack on back of the UAT.

Sensitivity Selector: The SoundCast UAT has been set at the factory for the output voltage of most common component devices. However, should you find the signal received by the SoundCast receiver or speaker system (sold separately) is much lower in volume, there is a sensitivity switch on the bottom of the unit to adjust the unit's overall gain.

Room Selector Switch: The UAT has a multi-room and same-room selector switch on the bottom of the transmitter. This will maximize the performance when you are transmitting music in the same room, or from one room to another room in your house.

Multi-Room Compatible: The SoundCast UAT can operate up to two SoundCast receiver or wireless speaker systems. This means you can transmit audio to two different locations in your home. You can also connect two UATs to the same audio source using the output of one transmitter linked to the input of another transmitter. By linking the two transmitters, and by using two SoundCast receivers or speaker systems for each one, you can create a four zone audio system (the same music source will be heard in all areas and you can only link a maximum of two transmitters). It is also possible to operate two entirely different SoundCast systems in the same house.

Note: You will need to make sure the UAT's channel selector switch and the receiver's channel selector switch (in the same system) are set to the same channel (1-3).

Power Supply: The SoundCast universal audio transmitter operates off of USB or AC power. The USB circuit in your computer will provide power for the UAT. You can also plug the UAT in an AC wall outlet.


Data Rate 1.536 Mbps
Modulation Frequency Hopping; FSK digital radio
Transmission Type Transceiver (Bi-directional)
Co-existence Impervious to 802.11, microwave oven, both DSSS and FHSS cordless phones, and Bluetooth devices. Up to 3 SoundCast system can operate in 1 general area.
Operating Frequency 2400-2483 MHz
Channel Width 2.0 MHz
THD+N 0.07% @ 1kHz
SNR 92.4 dB A-weighted (20-20 kHz)
Latency 64 ms
Frequency Range 20-20 kHz (+/-1dB)
Typical Range 150' indoors/350' outdoors
Transmitter Power 19 dBm (FCC & ETSI compliant)

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