
Thank You For Choosing the Wi AudioStream EL2 Pocket Portable Stereo Digital Wireless System.
Congratulations on your purchase of the Wi AudioStream EL2 Pocket Portable Stereo Digital Wireless Microphone,
Lavalier & Audio Monitoring System. Please thoroughly read this User’s Manual for all the feature operation
information necessary to install and operate your new Wi AudioStream EL2 system.
Notice: Product specifi cations and package contents are subject to change without notice.
Package contents may vary according to the different regions.
For additional support, please visit www.widigitalsystems.com
Wi AudioStream EL2
CONGRATULATIONS

PACKING LIST
Wi AudioStream EL2
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MIC
Windscreens
Wi Sure-Fit™ Earset with
Wi Simple-Twist Omnidirectional
Detachable Microphone Capsule
Wi Simple-Twist™
Detachable Earset Cable
Wi Sure-Fit™ Lavalier with
Wi Simple-Twist Unidirectional
Detachable Microphone Capsule
Rubber Flat Surface
MIC Clip
Earset/Lavalier
Cable Clip
Wi Transmitter Wi Receiver
XLR to 1/8”
TRS Cable
1/8” to 1/8” TRS Stereo
Cable & 1/4” Adapter
1/4” Stereo Male to 1/8”
Stereo Male Y-split Cable
Hard Shell
Carrying Case
1/4”-20 Camera
Hot Shoe & Clip
Transmitter/Receiver
Mounting Brackets Clip
Universal USB
AC Charger
1/8” Dual Input L/R
to 1/8” Y-split Cable
USB Y-Split
Power Cable

Transmitter Controls and Connections
Audio IN Jack: Provides mono and stereo connection for your
microphone or other sound source.
Power ON/OFF: Press and hold the Power button for 2 seconds
to turn the transmitter ON or OFF.
Power/Status LED: Displays the status of six functions: ON/OFF, Battery
Charging, Low Battery, Pairing, Mute, Operating and
Sleep Modes.
Refer to the “Tx Button Functions” on page (32) for more details
Volume UP: Press once to increase the volume level one step
at a time. Hold to increase continuously.
Volume DOWN: Press once to decrease the volume level one step
at a time. Hold to decrease continuously.
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TRANSMITTER FEATURES

Wi AudioStream EL2
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Mute: Press and hold for 1.5 seconds to mute or unmute the audio.
Link/Pair: The Link button performs two functions: Pairing and Linking.
Pairing allows the Transmitter to connect to up to eight (8) different receivers
sequentially to create a wireless audio matrix. Press and hold for 3 seconds until
the green LED display fast fl ashes, indicating that it is ready to pair with a
Receiver. Once the Transmitter pairs with the Receiver, the LED on both devices
will turn solid green.
Linking allows the Transmitter to re-route the audio signal sequentially to up to
eight (8) different receivers previously paired with the Transmitter. Press once to
re-route the wireless connection to the next receiver.
TRANSMITTER FEATURES

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Sleep: Press and hold for 2 seconds to put the Transmitter and Receiver into
power save mode (all settings will be preserved). Press once to wake-up
the Transmitter and Receiver. (Sleep function will prolong the Transmitter
battery life by 50% and the Receiver battery life by 35%).
Mode: Press and hold for 2 seconds to select the desired operation indicated
by the following blue LED fl ashing sequence. Continue to hold to cycle
between the three operating modes.
Stereo Mic-in Mode Solid Green LED and Slow Blue LED Flashes
Mono Mic-in Mode Solid Green LED and Fast Blue LED Flashes
(Factory Setting)
Stereo Line-in Mode Solid Green LED and Two Blue LED Flashes
TRANSMITTER FEATURES

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Charging Port: This is a mini USB connection to power
up and charge the internal batteries.
The Transmitter can be charged using the
supplied universal AC charger, via an
instrument or computer USB port, or the
optional AA battery power booster adapter.
Belt Clip: The Transmitter can be attached to belts,
shirts and pants’ pockets. The compact and
lightweight design is easy to wear without
impeding body movement.
TRANSMITTER FEATURES
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Receiver Controls and Connections
Audio OUT Jack: Stereo connection for professional Sound Systems,
Monitors, Mixers, In-Ear Monitors, Headphones and more...
Power ON/OFF: Press and hold for 2 seconds to turn the receiver
ON or OFF
Power/Status LED: Displays the status of six functions: ON/OFF, Battery
Charging, Low Battery, Pairing, Mute and Sleep mode.
Volume UP: Press once to increase the volume level one step
at a time. Hold to increase continuously.
Volume DOWN: Press once to decrease the volume level one step
at a time. Hold to decrease continuously.
RECEIVER FEATURES

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Link/VoIP: This multifunction button performs the Pairing and VoIP MIC activation.
Pairing allows the Receiver to be discovered by the Transmitter. Press and hold
the Link button for 3 seconds until the green LED display fast fl ashes, indicating
that it is ready to pair with a Transmitter. Once the Transmitter pairs with the
Receiver, the LED on both devices will turn solid green.
VoIP Microphone operations - See item #10
Next Track: The Next Track function button is used with the optional Wi USB Transmitter to
remotely control jumping to the next track for media players or sequencing
software.
Press the Next Track button once to jump to the next audio track.
Previous Track: The Previous Track function button is used with the optional Wi USB Transmitter
to remotely control jumping to the previous track for media players or sequencing
software.
Press the Previous Track button once to go back to the previous audio
track.
RECEIVER FEATURES

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Mute/Pause/Play: Press and hold the Mute/Pause/Play button for 1.5 seconds to mute/un-mute audio.
Press once to pause or play an audio track (when Receiver is used with the optional
Wi USB Transmitter, this function will remotely control the media player or
sequencing software to mute, pause or play the audio track).
VoIP Microphone: Press the LINK / VoIP button (see page 9) once to activate the VoIP Microphone.
The Blue LED on the Receiver will turn ON when the VoIP MIC is activated. (This
microphone is used with the optional Wi USB Transmitter for Voice over
Internet Protocol (VoIP) communications).
Refer to the “Rx Button Functions” on page (34) for more details
RECEIVER FEATURES

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Charging Port: This is a mini USB connection to power
up and charge the internal batteries.
The Receiver can be charged using the
supplied universal AC charger, via an
instrument or computer USB port, or the
optional AA battery power booster adapter.
Belt Clip: The Receiver can be attached to belts,
shirts and pants’ pockets. The compact and
lightweight design is easy to wear without
impeding body movement.
RECEIVER FEATURES
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12

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Removable MIC1: Wi Simple-Twist™ omnidirectional removable microphone capsule model JM-ST35O
for ear-worn, lavalier and instrument miking applications.
Removable MIC2: Wi Simple-Twist™ unidirectional removable microphone capsule model JM-ST35U
for ear-worn, lavalier and instrument miking applications.
Earset MIC Port: Simple-Twist removable microphone capsule port
Lavalier MIC Port: Simple-Twist detachable Lavalier cable with removable microphone capsule port
Boom: Sure-Fit bendable boom design
Silicon Spacer: Silicon cheek spacer
Boom Lock: Adjusting the boom length, left and right ear placement boom confi guration and
keeping boom securely in place
Cable Port: Simple-Twist detachable cable port
EL Ear Mount: Sure-Fit advanced ergonomic silicon ear mount model EL
Lavalier MIC Port: Simple-Twist detachable Lavalier cable
EARSET & LAVALIER FEATURES

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EARSET & LAVALIER FEATURES

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Handling The Wi Sure-Fit EL Series
The Wi Sure-Fit™ EL Series is a high-precision instrument and
is designed for durability and fl exibility. The following are
some of the basic precautions to prevent damage to
the Wi Sure-Fit™ EL.
Do not bend the boom over sharp edges such as
the end of your fi ngernail or twist the boom
around a tight radius less than 1/2” diameter.
Use the thumb and index fi nger to do small
bends at multiple points of the boom to get the
desired curvature.
EARSET HANDLING

EARSET HANDLING
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Do not bend and wrap the cables in any way that
creates severe coiling or strain on the cables.
Always detach the earset cable and the removable
adapter when storing the Wi Sure-Fit™ microphone