User Guide

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2.1. Rear Panel Connections and Controls

2. Hookup

2.1. Rear Panel Connections and Controls

Each Eris E4.5 pair consists of one active E4.5 and

one passive E4.5. Nearly every connection is located

exclusively on the active Eris E4.5. This speaker provides

signal and power for the passive E4.5. The exceptions

are the bare-wire connectors, which send power and

signal from the active speaker to the passive speaker.

2.1.1. Inputs

Line-level Inputs. The Eris E4.5 active monitor provides a

choice of two pairs of inputs: left and right balanced ¼” TRS

and left and right unbalanced RCA. These inputs accept a

line-level signal from an audio source and feed that signal to

the each monitor’s built-in power ampliﬁer. These inputs are

provided to enable ﬂexible connectivity, not for connecting

multiple sources to your speakers simultaneously.

Power User Tip: The left inputs send signal to the active E4.5’s

ampliﬁer, and the right inputs send signal to the ampliﬁer

that powers the passive E4.5. PreSonus recommends that the

active E4.5 be placed on the left side of your mix space and the

passive E4.5 be placed on the right. However, if you prefer to

have the controls located on your active monitor placed on

the right side of your workspace, be sure to reverse the inputs

from your audio source to maintain the correct stereo image.

Note: These controls are only available on the active E4.5.