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.

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Description

🎶 Elevate your sound game—studio quality meets wireless freedom!

PRIVATE LISTENING MODE - Integrated headphone output lets you dive deep into your mix without disturbing the world.
SLEEK SPACE SMART DESIGN - Small footprint fits effortlessly on any desk, blending style with professional-grade performance.
SEAMLESS WIRELESS STREAMING - Bluetooth 5.0 ensures lag-free, high-fidelity audio from any device—ditch the cables, not the quality.
TAILOR YOUR AUDIO EXPERIENCE - Adjust low- and high-frequency controls to perfectly match your workspace or creative vibe.
STUDIO QUALITY SOUND ANYWHERE - Compact 4.5" woven-composite drivers deliver powerful, balanced bass and crystal-clear highs.

The PreSonus Eris 4.5BT 2nd Gen are compact, powered studio monitors featuring 50 watts of Class A/B amplification, 4.5-inch woven-composite drivers for rich bass, and 1-inch silk-dome tweeters for crisp highs. Bluetooth 5.0 connectivity enables wireless streaming, while adjustable frequency controls and an integrated headphone amplifier provide versatile, professional-grade audio tailored for music production, gaming, and multimedia.

Specifications

Mounting Type	Shelf Mount
Material	Plastic Metal
Model Name	Eris 4.5 2nd Gen
Speaker Type	Monitor
Special Feature	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 4.5BT powered desktop speakers ensure optimal performance in any environment – from the home studio, to the dorm room, and more. Eris 4.5BTs deliver clear, accurate, studio-quality sound, with a powerful low-end punch and expressive, articulate highs, for a sound that’s big, bold, and balanced.
Recommended Uses For Product	Multimedia, Gaming, Studio-Quality Music Production
Compatible Devices	Gaming Console
Subwoofer Diameter	8 Inches
Net Quantity	2 Piece
Surround Sound Channel Configuration	2
Colour	Black
Included Components	Power Cable, Quick Start Guide
Product Dimensions	18D x 18W x 26H Centimeters
Item Weight	5.72 kg
Is Waterproof	False
Number of Items	2
Control Method	Remote
Wireless Communication Technology	Bluetooth
Speaker Size	4.5 Inches
Power Source	Corded Electric
Item model number	Eris 4.5BT
Speaker Amplification Type	Active
Size	4.5" (Bluetooth)
Wattage	50 Watts
Item Weight	5 kg 720 g
Manufacturer	PreSonus
Country of Origin	China

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