Does this come with all the necessary cords to connect this to a computer? Is it rca trs or xlr?

It depends on which speakers you order. The 3.5 and 4.5 come with everything necessary, but the 5 and higher definitely do not come with everything you need. Just the speaker and AC adapter.

Is the the Presonus E3.5 woofer speaker cone unprotected? It appears to have no fabric covering as many speakers would have.

Take a piece of t-shirt and bring it back and forth between your face and the monitors.. you will hear that even something like a tshirt of pantyhose, has a considerable effect on the sound projection. Also, having grills on the speaker looks cheap imo..

I am a Motivational Speaker, can I use these with a microphone when speaking to an audience of 75 people?

There are better choices for that -- you want speakers with a built-in mic preamp, and probably higher wattage amplifiers. You may also want folding speaker tripods. I suggest you puchase speakers designed for this, with a tripod screw hole on the bottom, and XLR mic inputs. For example, Bose EONS sound amazing for music as well. You may also wish to purchase a good wireless mic. Think of it as a system. The size of the room and the audience determine the required size and power of speakers.

Do the Eris 4.5 mute themselves when a headphone is connected?

Ideally they should, unless you’re using the Presonus Audiobox (or any other audio interface) and you connect headphones to that. In which case, they won’t mute.

Eris 3 5bt Bluetooth Studio Monitors Pair Powered Active Monitor

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Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your desktop audio game—studio-quality sound that fits your space and lifestyle.

PRIVATE LISTENING MODE - Integrated headphone amplifier with front-panel output lets you dive deep into your mix or playlist without disturbing anyone.
VERSATILE INPUT OPTIONS - Connect effortlessly via ¼-inch TRS, RCA, or front-panel aux input—ideal for professional gear and everyday devices alike.
POWERFUL PRECISION SOUND - 50 watts of Class A/B power delivers crystal-clear audio with deep, balanced bass for immersive listening.
TAILORED ACOUSTIC TUNING - Adjust high and low frequency controls to perfectly match your room’s vibe and your personal sound preferences.
SEAMLESS WIRELESS CONNECTIVITY - Bluetooth 5.0 ensures lag-free, high-fidelity streaming from all your devices—cut the cords, not the quality.

The PreSonus Eris 3.5BT are compact, powered studio monitors featuring 50W Class A/B amplification, 3.5-inch woven-composite woofers, and 1-inch silk dome tweeters. Designed for content creators, gamers, and audiophiles, they offer Bluetooth 5.0 wireless streaming alongside multiple wired inputs. With customizable EQ controls and a built-in headphone amp, these monitors deliver precise, balanced sound tailored to any environment.

Specifications

ASIN	B0C88YGTSF
Additional Features	Featuring an integrated headphone output, flexible connection options, Bluetooth 5.0, and easily adjustable high- and low-frequency controls to fine-tune speaker response, Eris 3.5BT powered desktop speakers ensure optimal performance in any environment – from the home studio, to the dorm room, and more. Eris 3.5BTs deliver clear, accurate, studio-quality sound, with a powerful low-end punch and e…
Age Range Description	Adult
Antenna Location	Multimedia, Gaming, Studio-Quality Music Production
Audio Driver Size	5.25 Inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo
Audio output mode	Stereo
Bluetooth Range	10 Meters
Brand	PreSonus
Built-In Media	1 pair of Eris 3.5BT monitors
Color	black
Compatible Devices	Smartphone, Tablet, MP3 Player, Desktop
Connectivity Protocol	Bluetooth
Connectivity Technology	1/4" TRS, Auxiliary, Bluetooth 5.0, RCA
Connectivity technology	1/4" TRS, Auxiliary, Bluetooth 5.0, RCA
Control Method	Touch
Controller Type	Remote Control
Country of Origin	China
Customer Package Type	Standard Box
Customer Reviews	4.5 out of 5 stars 318 Reviews
EU Spare Part Availability Duration	2 Years
Enclosure Material	Plastic Metal
Frequency Response	20 KHz
Frequency response	20 KHz
Impedance	10000 Ohms
Is Waterproof	False
Item Dimensions D x W x H	14D x 15.2W x 21.1H centimeters
Item Weight	635 g
MP3 player	No
Manufacturer	PreSonus
Model Name	Eris 3.5BT
Model Number	Eris 3.5BT
Mounting Type	Tabletop Mount
Mounting type	Tabletop Mount
Number Of Circuits	2
Number of Audio Channels	2.0
Number of Batteries	1 Nonstandard Battery batteries required.
Number of Items	2
Number of Power Levels	3
Power Source	Corded Electric
Series Number	2
Speaker Maximum Output Power	50 Watts
Speaker Size	3.5 Inches
Speaker Type	Multimedia
Speaker maximum output power	50 Watts
Specific Uses For Product	Gaming, Multimedia, Content Creation
Subwoofer Connectivity Technology	Wireless
Subwoofer Diameter	3.5 Inches
Tweeter Diameter	1 Inches
UPC	673454011818
Unit Count	128.0 Grams
Warranty Description	1 year
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth
Woofer Diameter	5.25 Inches

Reviews

G**S

Great speakers

13.04.2026

J**A

Buen sonido, calidad precio

Justo lo que buscaba, excelente para iniciar con mi pc en proyectos de música, gracias

15.01.2026

R**R

Clear audio

12.11.2025

A**S

Broke Pretty Fast

1.01.2026

J**R

Muy buen sonido.

Suenan de maravilla.

10.03.2026

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