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Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
High-Definition Media Reference Monitors
Owner’s Manual
®
www.presonus.com
English
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Table of Contents
1 Overview — 1
1.1 Introduction — 1
1.2 Product Registration — 1
1.3 What’s in the Box — 2
2 Connections and Controls — 3
2.1 Rear Panel — 3
2.1.1 Inputs — 3
2.1.2 Power — 3
2.1.3 Acoustic Tuning Controls — 3
2.1.4 Speaker Connections — 4
2.2 Active Speaker Front Panel — 4
3 Hookup Diagrams — 5
3.1 Basic Setup — 5
3.2 Audio Connections — 5
3.3 Bluetooth Pairing
(Eris E3.5 BT and Eris E4.5 BT only) — 6
4 Resources — 7
4.1 Technical Specifications — 7
4.2 Troubleshooting — 8
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1 Overview
1.1 Introduction
1 Overview
1.1 Introduction
Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
Owner’s Manual
Thank you for purchasing a pair of PreSonus® Eris® high-definition media
reference monitors. Ideal for gaming, home content creation, or just
listening to your favorite album, Eris media reference monitors deliver
studio-quality sound, with a smooth and accurate frequency response.
PreSonus Audio Electronics is committed to constant product improvement,
and we highly value your suggestions. We believe the best way to achieve our
goal of constant product improvement is by listening to the real experts: our
valued customers. We appreciate the support you have shown us through the
purchase of this product and are confident that you will enjoy your Eris!
About this manual: We suggest that you use this manual to familiarize yourself
with the features, applications, and correct connection procedures for your
Eris media reference monitors before trying to connect it to your other audio
equipment. This will help you avoid problems during installation and setup.
This manual describes the functionality for all four Eris media
reference models. Please note that Bluetooth connectivity
is only available on the Eris E3.5BT and Eris E4.5BT.
Throughout this manual, you will find Power User Tips that can quickly make
you an Eris expert and help you get the most out of your investment.
1.2 Product Registration
PreSonus is committed to delivering the best experience for our customers.
My PreSonus is a one-stop portal for all our registered customers’ needs.
From your my PreSonus account, you can view all your PreSonus hardware
and software registrations; contact support; track orders and more.
To register your Eris media reference monitors
Go to My.PreSonus.com and follow the onscreen instructions.
OR
Download the MyPreSonus app from the Apple App Store or Google Play.
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1 Overview
1.3 What’s in the Box
1.3 What’s in the Box
Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
Owner’s Manual
Your Eris media reference monitors’ package contains the following:
(1 pair) PreSonus Eris Media Reference Monitors (1 active, 1 passive)
(1) 1.5M 1/8” TRS to 2x RCA cable
(1) 1.5M 1/8” TRS stereo cable
(1) 2M bare-wire speaker cable
(8) Foam feet: 4 to be placed on the bottom of each speaker
to improve isolation
(1) Quick Start Guide
(1) IEC Power Cable
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2 Connections and Controls
2.1 Rear Panel
2 Connections and Controls
Each Eris media reference monitor pair consists of one active speaker
and one passive speaker. Nearly every connection is located exclusively
on the active speaker. This speaker provides signal and power for the
passive speaker. The exceptions are the bare-wire connectors, which send
power and signal from the active speaker to the passive speaker.
2.1 Rear Panel
2.1.1 Inputs
Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
Owner’s Manual
Line-level Inputs. The Eris active speaker provides a choice of two pairs of
inputs on the rear-panel: 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 each monitor’s power amplifier. These inputs
are provided to enable flexible connectivity, not for connecting multiple
sources to your speakers simultaneously. A third 1/8” stereo input is available
on the front panel, please see Section 2.2 for more information.
Power User Tip: The left inputs (balanced or unbalanced) send signal to the amplifier
that powers the active speaker; and the right inputs send signal to the amplifier that
powers the passive speaker. PreSonus recommends that the active speaker be placed on
the left side of your mixing space and the passive speaker 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.
2.1.2 Power
IEC Power Connection. The Eris active speaker accepts a standard IEC C7 power
cord. The power switch is located on the front panel of the active speaker.
2.1.3 Acoustic Tuning Controls
High. Boosts or cuts all frequencies above 10 kHz by ±6 dB.
Power User Tip: The High control is a high-shelf EQ and attenuates or boosts frequencies
above 10 kHz. This EQ is much like the treble control on a home or car stereo: It raises or
lowers the gain on all frequencies above the specified cutoff frequency. Shelving EQs can
make big changes to the sound very quickly by adding or removing an entire range of
frequencies.
Low. Boosts of cuts frequencies around 100 Hz by ±6 dB.
Power User Tip: The Low control is a low-shelf EQ and attenuates or boosts frequencies
below 100 Hz. This function is the equivalent to the Bass control on a home or car stereo:
It raises or lowers the gain on all frequencies below the specified cutoff frequency.
Shelving EQs can make big changes to sound very quickly by adding or removing an
entire range of frequencies.
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2 Connections and Controls
Active Speaker Passive Speaker
2.2 Active Speaker Front Panel
2.1.4 Speaker Connections
Bare-wire connectors. This connection is used to send power and send signal to
the passive Eris speaker. Be sure to connect the positive and negative connections
on your active Eris speaker to the positive and negative connections, respectively, on
the passive Eris speaker (i.e. connect positive to positive and negative to negative).
2.2 Active Speaker Front Panel
Power Switch. This is the On/Off switch.
Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
Owner’s Manual
Power / Bluetooth Status LED. The LED above the volume control indicates power
status for all Eris speaker models. For Eris E3.5 BT and E4.5 BT reference monitors, this
LED also displays the Bluetooth status as follows:
• Solid Blue. Eris speaker is powered on.
• Flashing Blue (Eris E3.5 BT and E4.5 BT only). Eris speaker is in pairing mode.
• Solid White (Eris E3.5 BT and E4.5 BT only). Eris speaker is paired to a
Bluetooth device.
Volume. Sets the volume level of the input signal before it is amplified. This is also
the volume control for the front-panel headphone amp.
Aux In. This stereo 1/8” jack can be used to patch in a media player for a quick
reference check.
Power User Tip: This input will sum with the inputs on the back panel.
Headphone Out. This headphone output is controlled by the Level knob.
Power User Tip: When the headphone output is connected, audio will be muted to your
Eris speakers. So, you can listen as loud as you like without disturbing the neighbors.
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3 Hookup Diagrams
3.1 Basic Setup
3 Hookup Diagrams
3.1 Basic Setup
Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
Owner’s Manual
3.2 Audio Connections
IN OUT
PC/MAC
POWER
R L
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3 Hookup Diagrams
Left
PAIR
OUTPUT TO
RIGHT SPEAKER
Eris™ Series High-Definition
Near Field Studio Monitor
with Bluetooth® Technology
BT
PAIR
Hold 3 sec
Bluetooth< Settings
Bluetooth
PreSonus Eris E3.5 BT
My Devices
Other Devices
Now discoverable as “My Phone”
3.3 Bluetooth Pairing (Eris E3.5 BT and Eris E4.5 BT only)
3.3 Bluetooth Pairing (Eris E3.5 BT and Eris E4.5 BT only)
Your Eris E3.5 BT or E4.5 BT can be paired with any Bluetooth device for audio
playback. To pair your pair your speakers, first press and hold the pair button on the
rear of the active Eris speaker for three seconds.
The Power/Bluetooth LED on the front of the active speaker will flash, indicating
pairing is active.
On your Bluetooth device, select “Eris E3.5 BT” or “Eris E4.5 BT”.
Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
Owner’s Manual
Once your Eris speakers are paired, the Power/Bluetooth LED will illuminate white.
Power User Tip: You can pair an additional device by repeating these steps. Your Eris
speakers can store two Bluetooth device pairings, although audio can only be streamed
from one Bluetooth device at a time. Whenever you power on your Eris speakers, your
stored Bluetooth devices will automatically pair if within range.
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4 Resources
4.1 Technical Specifications
Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
Owner’s Manual
4 Resources
4.1 Technical Specifications
Eris E3.5 / E3.5 BT Eris E4.5 / E4.5 BT
Inputs 1- Stereo 1/8” TRS
2- Balanced ¼” TRS
2- Unbalanced RCA
Stereo Bluetooth 5.0 (Eris E3.5 BT and E4.5 BT only)
Performance
Frequency Response 80 Hz to 20 kHz 70 Hz to 20 kHz
Crossover Frequency 2.8 kHz
Amplifier Power 50W (25W / speaker)
Peak SPL (@ 1 meter) 100 dB
LF Driver 3.5” 4.5”
HF Driver 1” Silk Dome
Input Impedance 10 kΩ
User Controls
Volume Range A-Type Taper
MF Control Variable (-6 to +6 dB, center 100 Hz)
HF Control Variable (-6 to +6 dB, center 10 kHz)
Protection RF interference
Output-current limiting
Over-temperature
Turn-on/off transient
Subsonic filter
External mains fuse
Power 100-120V ~50/60 Hz or 220-240V ~50/60 Hz
Cabinet Vinyl-laminated, medium-density fiberboard
Physical
Width 5.6” (141 mm) 6.4” (163 mm)
Depth 6.4” (162 mm) 7” (180 mm)
Height 8.3” (210 mm) 9.5” (241 mm)
Weight (per pair) 6.4 lb (2.9 kg) 13 lb. (5.9 kg)
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4 Resources
4.2 Troubleshooting
4.2 Troubleshooting
Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
Owner’s Manual
No power. First ensure that your active Eris speaker is plugged in. If it’s connected to
a power conditioner, verify that the power conditioner is turned on and functioning.
No audio. If your active Eris speaker appears to power on but you hear
no sound when playing audio from your audio source (the lights are on
but nobody’s home), first make sure that the cable connecting your audio
source to the active speaker is working correctly. Also, verify that the volume
control is set to provide enough amplitude for the signal. If only the passive
Eris speaker is not passing audio, check your speaker-wire connections
and verify that the bare wire is fully inserted into each connection.
Hum. Usually, hum is caused by a ground loop. Verify that all
audio equipment is connected to the same power source.
Sound is thin. If the sound of the speakers seems thin and brittle, check
that your speaker wires are connected correctly (i.e., the positive/red
connection on the active Eris speaker is connected to the positive/red
connection on the passive Eris speaker and the negative/black connection
on each is connected to the negative/black connection on the other).
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Dinner is Served
Added bonus: PreSonus’ previously Top Secret recipe for…
Chicken and Andouille Gumbo
Ingredients:
• 1 C All-Purpose flour
• ¾ C Vegetable Oil
• 1 large onion (diced)
• 1 small onion (quartered)
• 6 celery stalks (diced)
• 1 large green bell pepper (diced)
• 3 cloves garlic (2 minced, 1 whole)
• 1 lb link Andouille sausage
• 4 Chicken leg quarters
• 4 qt water
• 4 bay leaves
• 1 tsp thyme
• 1 tsp Old Bay seasoning
• 1-2 C frozen okra, sliced
• ¼ C fresh parsley, minced
• 6-8 eggs (optional)
Cooking Instructions:
1. In a large pot, combine whole chicken leg quarters, water, quartered onion, Old Bay, 2 bay leaves and 1 whole clove garlic.
Cover and bring to a low boil. Simmer stock until chicken is falling off the bone. Remove the chicken and set aside. Discard
the onion, bay leaves, and garlic, reserving the liquid.
2. In a heavy saucepan, heat 1 Tbsp of the oil on medium high heat and brown the andouille until it is cooked through. Set
aside sausage for later.
3. In the same saucepan, add and heat remaining oil. Slowly add flour 1-2 Tbsp at a time, stirring continuously. Continue
cooking and stirring the roux until it is a dark brown (it should look like melted dark chocolate). Be careful to not to get the
oil too hot or the flour will burn and you’ll have to start over.
4. Once roux has reached the correct color, add diced onion, celery, green pepper, and minced garlic. Cook until vegetables
are very tender. Do not cover.
5. Slowly add 1 quart of chicken broth and bring to a low boil, stirring constantly.
6. Transfer roux mixture to a soup pot and bring to low boil. Do not cover, the roux will settle on the bottom of the pot and burn.
7. Add remaining chicken broth, bay leaves, and thyme. Simmer for 30 minutes.
8. While gumbo is simmering, debone and shred chicken and slice the andouille.
9. Add chicken and andouille to gumbo and return to a simmer. Simmer for 30-45 minutes.
10. Stir in frozen okra and parsley and bring to a rolling boil.
11. Optional: Crack one egg into a teacup and quickly pour into the boiling gumbo. Repeat with the other eggs being careful
not to cluster them too closely. After all the eggs have risen back to the surface, reduce heat and simmer.
12. Correct seasoning with salt and pepper (red, white and/or black) if necessary.
13. Serve over rice with potato salad.
Serves 12
© 2019 PreSonus Audio Electronics, Inc. All Rights Reserved. Eris and PreSonus are registered trademarks of PreSonus Audio Electronics, Inc. Bluetooth is a registered trademark of
Bluetooth SIG, in the U.S. and other countries. Other product names mentioned herein may be trademarks of their respective companies. All specifications subject to change without
notice...except the recipe, which is a classic.
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Eris®-series E3.5/E3.5 BT/E4.5/ E4.5 BT
High-Definition Media Reference Monitors
Owner’s Manual
18011 Grand Bay Ct. • Baton Rouge,
®
Louisiana 70809 USA• 1-225-216-7887
www.presonus.com
Part# 70-52000143-A
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