![background image](/i/m-audio/158456/m-audio-lx4-21-system/h/m-audio-lx4-21-system-004.png)
Speaker Enclosure Front and Rear Panel Features
LX4-2.1 Subwoofer, Rear
1. TRS Inputs:
These jacks accept 1/4” connections with either balanced or
unbalanced wiring. For balanced wiring, a three-conductor TRS plug is
necessary.The input wiring of a TRS connector should be as follows:
TRS TIP
- Signal positive (+)
TRS RING
- Signal negative (–)
TRS SLEEVE
- Signal ground (Shield)
Unbalanced 1/4” wiring can be done with either a two- or three-conductor (TS
or TRS) plug. A two-conductor (TS) plug automatically grounds the signal
negative input, whereas a three-conductor (TRS) plug, wired unbalanced,
provides the option of leaving the negative input open or grounded. We
recommend that you ground the unused negative input (this can be done by
wiring the ring and sleeve of the TRS plug together).
There are 6 TRS Inputs, as follows:
L
- Left Ch. Input
R
- Right Ch. Input
SL
- Surround Left Ch. Input
SR
- Surround Right Ch. Input
C
- Center Ch. Input
LFE
- Low Frequency Effect Input
4