PreSonus Eris 3.5 Powered Studio Monitors, Pair Review
Compact powered desktop monitors with balanced sound and flexible inputs.
| Brand | PreSonus |
|---|---|
| Category | Studio Monitors |
| Color | Black |
| Speaker Size | 3.5 inch Monitor |
| Unit Count | 2 |
| Amplifier Power | 50 watts built-in amplification |
| Best for | Near field desktop music, gaming, and video editing |
Product Overview
The PreSonus Eris 3.5 are powered near field studio monitors sold as a stereo pair. They combine a 3.5 inch woven composite woofer, 1 inch silk dome tweeter, and 50 watts of built-in amplification in a black desktop design.
This review checks the build, sound performance, input flexibility, and potential limitations of these monitors based only on the manufacturer's listed specifications.
Score Breakdown
This verdict is based on the manufacturer's stated specifications, the current Amazon listing and its product images, the confirmed materials and design, real buyer ratings, and our research into the product category. Scores are consistent editorial judgments, not laboratory measurements, and we did not receive a paid sample.
Key Features
Sold as a complete stereo pair for music production, gaming, movies, streaming, and everyday audio.
Built-in 50 watt amplification drives clear, dynamic sound at any volume.
3.5 inch woven composite woofer delivers deeper, tighter bass while the 1 inch silk dome tweeter smooths harshness.
High and low frequency acoustic tuning controls tailor the sound to your space without extra gear.
Balanced TRS, RCA, and a front panel aux input connect to computers, interfaces, mixers, consoles, phones, or turntables, plus a front headphone jack.
Design and Build Quality
The monitors use a 3.5 inch woven composite woofer and a 1 inch silk dome tweeter, with a black finish and front panel controls for aux input and headphone output. High and low frequency tuning controls are built in for room adjustment.
The listing does not confirm the physical dimensions or weight of each monitor, so desk footprint and build materials beyond the driver composition are not verified.
Performance in Everyday Use
The 50 watt built-in amplification is rated to provide clear, distortion free sound across the stated 80 Hz to 20 kHz range. The silk dome tweeter is designed to smooth out harshness while the woven composite woofer adds tighter bass.
A real limitation is the 80 Hz low frequency cutoff. Very deep sub bass, like the lowest notes in electronic music or cinema effects, is not fully reproduced, so buyers needing room shaking low end will likely need a subwoofer.
How It Performs: The Evidence
| Decision factor | What we found | Evidence and measurement | Score | Why it matters |
|---|---|---|---|---|
| Amplifier power | 50 watts | Listing states 50 watts of built-in amplification | 8.5 | Adequate for near field desktop use, though not the highest in class |
| Woofer | 3.5 inch woven composite | Feature bullets describe deeper, tighter bass | 8.0 | Good for size but small woofer limits low end extension |
| Tweeter | 1 inch silk dome | Listing says it smooths out harshness for balanced highs | 8.5 | Silk dome is generally smooth and detailed |
| Frequency response | 80 Hz to 20 kHz | Specified frequency range | 7.5 | 80 Hz floor misses deep sub bass |
| Connectivity | TRS, RCA, front aux, headphone jack | Product bullet lists balanced TRS, RCA, front aux, front headphone jack | 9.0 | Very flexible wired desktop inputs |
Who Should Buy It
- Small home studios
- Desktop music producers
- Gamers needing clear audio
- Movie and streaming viewers
- Podcast editing desks
- Buyers who want wireless connectivity or deep sub bass
- Frequency response starts at 80 Hz, so very deep bass is not produced
- Listing does not confirm physical dimensions or weight
- No wireless streaming input listed
Full Specifications
How It Compares
| Feature | PreSonus | Typical option | Higher-tier option |
|---|---|---|---|
| Woofer size | 3.5 inch woven composite | 4 to 5 inch polypropylene or paper woofer | 3 inch full range driver, no separate woofer |
| Tweeter | 1 inch silk dome | 1 inch soft dome or metal dome tweeter | Built in full range speaker with no dedicated tweeter |
| Amplification | 50 watts built-in, total | 50 to 80 watts built-in per pair | Passive design requiring external amplifier or low 10 to 20 watt powered single speaker |
| Frequency response | 80 Hz to 20 kHz | 50 Hz to 22 kHz typical mid range | 90 Hz to 18 kHz or narrower |
| Inputs | Balanced TRS, RCA, front aux | Balanced TRS and RCA only | Single 3.5 mm aux or Bluetooth only |
| Headphone jack | Front panel headphone jack | Often no front headphone jack | No headphone jack or only on main unit |
Alternatives Worth a Look
The PreSonus Eris 3.5 pair offers clear, detailed desktop sound with useful tuning controls and flexible wired inputs. It is a solid choice for near field listening, though deep bass below 80 Hz will need a subwoofer.
Frequently Asked Questions
Are these sold as a pair?
Yes, the listing confirms a complete stereo pair with two monitor units.
Do they need an external amplifier?
No, they have 50 watts of built-in amplification.
What size are the woofers?
Each monitor has a 3.5 inch woven composite woofer.
Can I connect a game console or phone directly?
Yes, the front aux input and RCA inputs accept those sources, and there is a front headphone jack.
What is the frequency response?
The specified range is 80 Hz to 20 kHz.
Can I adjust the sound for my room?
Yes, built-in high and low frequency tuning controls are included.
This review is based on the manufacturer's stated specifications, the current Amazon product listing and its images, the confirmed materials and design, and our own research into studio monitors as a product category. Our scores are editorial judgments made against consistent criteria, not laboratory measurements, and we did not carry out destructive or long-term stress testing.
Where the listing did not clearly confirm a detail, such as exact dimensions, weight or certifications, we have deliberately left it out rather than guess. If you are buying, always confirm the current specification and price on the live Amazon listing, since configurations and availability change.