User's Manual

Shure Incorporated
15/21
Issue Indicator Status Solution
Noise bursts or audio dropouts N/A • Change receiver and transmitter
to a different channel
• Remove nearby sources of RF
interference such as cordless or
cell phones, computers, wireless
routers, media players, digital
signal processors, and security
systems.
• Replace transmitter batteries
• If using multiple systems,
change the frequency of one of
the active systems
Distortion Audio LED on receiver indicates
clipping (red)
Reduce transmitter gain
Distortion increases gradually
over time
Transmitter power light glowing or
flashing red
Replace transmitter batteries
Sound level different from ca
bled guitar or microphone or
when using different guitars
N/A Adjust transmitter gain as neces-
sary
Cannot turn transmitter on Transmitter LED slowly flashing
red
Replace transmitter batteries
Transmitter LED rapidly flashing
red
Contact your Shure reseller for as-
sistance
Specifications
Working Range Line of Sight
60m (200 ft)
RF Carrier Range
X8 902–928 MHz
X8A 915–928 MHz
X8B 902–907.5 MHz, 915–928 MHz
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