PreSonus
PreSonus Eris 3.5 Powered Studio Monitors
Bottom line: The PreSonus Eris 3.5 Powered Studio Monitors ($99.99): 50W Class AB amplification across the pair, enough for a room without audible distortion; main trade-off: 80 Hz low-end floor means sub-bass content needs a separate subwoofer.
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*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 50W Class AB amplification across the pair, enough for a room without audible distortion
- ✓ 3.5" woven-composite woofer plus 1" silk-dome tweeter covering 80 Hz to 20 kHz
- ✓ High- and low-frequency tuning controls compensate for untreated rooms
- ✓ Balanced TRS, RCA, and front aux inputs cover interface, console, phone, and turntable
- ✓ Front-panel headphone jack switches to private listening without reaching behind
Cons
- ✗ 80 Hz low-end floor means sub-bass content needs a separate subwoofer
- ✗ 3.5" woofers limit output compared with 5" or 8" near-field monitors
- ✗ Near-field design assumes a short listening distance at a desk
- ✗ Acoustic tuning controls only approximate real room treatment
Manufacturer description
The PreSonus Eris 3.5 pair brings near-field studio monitoring to a desk that doesn't have room for a full monitoring rig. Each cabinet pairs a 3.5-inch woven-composite woofer with a 1-inch silk-dome tweeter, covering 80 Hz to 20 kHz, and the pair shares 50 watts of Class AB amplification — enough headroom to fill a room without the distortion that kills detail in mixes. If your desk sits in an untreated bedroom or office, the built-in high- and low-frequency acoustic tuning controls let you compensate for a boomy corner or a reflective wall without buying acoustic panels. Connectivity is…
SpecPicks Verdict
SpecPicks scored PreSonus Eris 3.5 Powered Studio Monitors, Pair — 3.5” Active Near |… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the gaming monitors category. PreSonus's gaming monitors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for gaming monitors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Are the PreSonus Eris 3.5 sold as a pair or single?
They ship as a complete stereo pair, so one purchase gives you both left and right cabinets.
How much power do the Eris 3.5 monitors have?
50 watts of built-in Class AB amplification, which PreSonus rates as enough to fill a room at clean volume.
What is the frequency range of the Eris 3.5?
80 Hz to 20 kHz, handled by a 3.5-inch woven-composite woofer and a 1-inch silk-dome tweeter.
What can I plug into the Eris 3.5?
Balanced TRS, RCA, and a front-panel aux input, so a computer, audio interface, mixer, game console, phone, or turntable all connect directly. A front headphone jack is included.
Do the Eris 3.5 work in a room without acoustic treatment?
Built-in high- and low-frequency tuning controls let you adjust the response to your space. For warranty and return terms, check the product listing.
Key Features
- TRUSTED STUDIO-QUALITY SOUND: True studio sound for music production, gaming, movies, streaming, and everyday audio. Sold as a complete stereo pair.
- POWERFUL, DISTORTION-FREE SOUND: 50 watts of built-in amplification drives clear, dynamic sound at any volume — powerful enough to fill the room, clean enough to hear every detail.
- ACCURATE, POWERFUL SOUND: 3.5” woven-composite woofers deliver deeper, tighter bass while 1” silk-dome tweeters smooth out harshness for clear, balanced highs across the full range (80 Hz–20 kHz).
- DIAL IN PERFECT SOUND IN ANY ROOM: Built-in high- and low-frequency acoustic tuning controls let you tailor the sound to your space — no treatment or extra gear needed to get clear, balanced audio anywhere.
- CONNECTS TO EVERYTHING ON YOUR DESK: Balanced TRS, RCA, and a front-panel aux input plug straight into your computer, audio interface, mixer, game console, phone, or turntable — plus a front headphone jack for private listening.
Full Specifications
| Brand | PreSonus |
|---|---|
| Color | Black |
| Model Name | Eris 3.5 |
| Unit Count | 2 Count |
| Model Number | Eris 3.5 |
| Power Source | Corded Electric |
| Speaker Size | 3.5 inches |
| Speaker Type | Active Media Reference Monitors |
| Input Voltage | 120 volts |
| Is Waterproof | False |
| Maximum Range | 1 meters |
| Mounting Type | Desktop, Bookshelf |
| Warranty Type | Limited |
| Built-In Media | 1 pair of Eris 3.5 monitors |
| Control Method | Touch |
| Bluetooth Range | 10 meters |
| Controller Type | Corded electric |
| Number of Items | 2 |
| Woofer Diameter | 3.5 inches |
| Antenna Location | Multimedia, Gaming, Studio-Quality Music Production |
| Full listing title | PreSonus Eris 3.5 Powered Studio Monitors, Pair — 3.5” Active Near | -Field Desktop Speakers for Music Production, Gaming, Movies & Hi-Fi | 50W, Woven-Composite Woofer, Silk-Dome Tweeter, Black |
Ready to buy?
PreSonus Eris 3.5 Powered Studio Monitors, Pair — 3.5” Active Near | -Field Desktop Speakers for Music Production, Gaming, Movies & Hi-Fi | 50W, Woven-Composite Woofer, Silk-Dome Tweeter, Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-09-29. Price and availability subject to change.
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