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Connectors, Adaptors and Terminology
If you’ve used a mixer before,
you can skip this section.
But if terms like “balanced XLR”
and “line level” are unfamiliar to
you, read on.
Weak signals and strong signals.
The output of a microphone is
very weak only a few thousandths
of a volt. Mic-level signals need to
be boosted by your mixer’s micro-
phone preamplifi er circuit up to
what we call line level.
Line level is approximately one
volt, or a thousand times stronger
than mic-level. It’s the output volt-
age generated by keyboards, synths,
drum machines, DVD players, your
grandfather’s 8-track, etc.
Quiet balanced cables
Because microphone output is
so weak, it is prone to interference
and can’t travel very far through a
conventional 2-conductor wire.
Balanced cables have three
conductors and internal shielding.
Without getting too technical, let’s
just say that a balanced cable can
carry microphone signals a hundred
feet or more, and resist hum and
buzz.
The mic preamp inputs on
your SoundLink MW Series mixer
accommodate balanced connectors.
XLR and TRS.
You’ll notice two kinds of jacks
on the back of your mixer.
XLR connectors are 3-pin
connectors that are usually used
for trans-
mitting microphone or
balanced line-level signals.
TRS connectors are ¼ plugs
with an extra “ring” on its shaft (for
a total of three). TRS stands for
“Tip - Ring - Sleeve.” Because TRS
cables have two conductors plus a
ground (shield) they are balanced
and are ideal for connecting audio
equipment.
Don’t mix up TRS with TS. Tip
sleeve plugs have only two “rings”
and are unbalanced fi ne for con-
necting a guitar to an amp, but not
recommended around mixers.
Bridging the gap.
There is one more kind of
connector that you will surely en-
counter: RCA jacks. These are the
familiar red, white and often yellow
jacks that still exist on DVD players,
TV’s, and home audio equipment.
If you want to connect the line
level audio output of a DVD player
or drum machine to the line level
TRS jack on a SoundLink stereo
channel, you need two of these
adapters for
each channel.
Just web
search “RCA to quarter inch” to fi nd
numerous sources.
Finally, you may possibly need to
connect an audio playback device’s
RCA outputs
to the ¹₈" front
panel input on
your SoundLink mixer.
There’s an adapter for that, too.
As well as Lightning-to-¹₈" adap-
tors, so you can use an iPhone
®
as a
music source during breaks.
Good luck, and may your cables
never tangle.
IMPORTANT NOTICE TO CONSUMERS
This product has been manufactured according to strict specifications and voltage requirements that are applicable in the country in which it is intended that this product
should be used. If you have purchased this product via the internet, through mail order, and/or via a telephone sale, you must verify that this product is intended to be
used in the country in which you reside.
WARNING: Use of this product in any country other than that for which it is intended could be dangerous and could invalidate the manufacturer’ s or distributor’ s
warranty. Please also retain your receipt as proof of purchase otherwise your product may be disqualified from the manufacturer’ s or distributor’ s warranty.
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