Presonus Eris E3.5 BT

Active Studio Monitors with Bluetooth Connectivity

  • 3.5" Woofer with Kevlar diaphragm
  • 1" Tweeter with silk diaphragm
  • Frequency response: 80-20,000 Hz
  • Sound pressure level (SPL): 100 dBA (peak)
  • Inputs: TRS (L/R, balanced), RCA pair (L/R), 3.5 mm stereo jack
  • Bluetooth 5.0
  • Headphone jack on the front panel (stereo mini jack)
  • Volume control on the front panel with on/off switch and LED
  • Class AB power amp with 2x 25 W
  • Switch-on delay and output current limiter
  • Protection against overheating and subsonic filter
  • Dimensions: (H x W x D) 210 x 141 x 162 mm
  • Weight: 2.9 kg
  • Includes a 1.5 m mini-jack cable (TRS to TRS), 1.5 m adapter cable (mini jack TRS to 2x RCA), and a cable for connecting the left to the right speaker

Further Information

Speaker size 1x 3,5", 1x 1"
Amplifier power per unit (RMS) 25 W
Magnetic Shielding No
Analogue XLR Input No
Analogue Input (Jack) Yes
Analogue Input (Mini Jack) Yes
Analogue Input (RCA) Yes
Digital input Yes
Manual frequency correction Yes

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Presonus Eris E3.5 BT
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Presonus Eris E3.5 BT
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Our most popular Active Nearfield Monitors
31 Customer Ratings:
  • 5
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  • 3
  • 2
  • 1
4.7 /5
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  • quality
Total
features
quality
sound
Good little desktop speakers
røde2nowhere, 04.07.2020
Bought these to replace a set of Mackie CR4 speakers, which had been giving trouble from early on. These are slightly smaller, and a lot lighter, but the sound isn't far off. The woofers are 3.5" compared to 4" on the Mackie set, and there is a noticeable difference in the low end, but overall these seem nicely balanced for general use, music, voice, etc.

These are being used as near field speakers on a home desktop for some voice audio and music editing, as well as for music and video playback.

Pros:
- Nice clear highs
- Can get very loud for such small speakers
- Easy bluetooth connectivity
- Headphone, aux, volume and on/off switch all on front for easy access
- Simple/Professional looking
- removable (standard) two pin power connection
- separate adjustable acoustic tuning for lows and highs
- balanced inputs (not present on some other small speakers in this price range)

Cons:
(nothing really, but compared to Mackie CR4)
- no way to set right/left for main powered speaker, which is the left speaker, so not ideal for every setup
- Bass is lacking a little, and I'm starting to think of pairing them with a subwoofer already, something I didn't consider with the CR4s.
- Very small bump on the speaker knob is the only visual indication of its position

Overall, these little speakers will blow away any comparably priced consumer focused desktop multimedia speakers when it comes to sound quality and flexibility of inputs. I believe they are useable in a home studio for editing, especially voice work. No regrets in getting these, so far.
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Total
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Great Monitors for 129 Euros!
Elvergun, 23.07.2020
The only problem I see with the speakers is the lack of bass as mentioned by all other reviews, but what do we expect, these are 3.5 inch speakers in a small enclosure.

To solve this I paired them with a Fostex 5 inch subwoofer, and the set works perfectly. I must say that I also tried them with a 8 inch Mackie subwoofer and the Mackie would send noise to the Eris speakers, even using the 6.3mm Jack balanced. I do not understand why. Even turning off the Mackie, it would get into problems. Only solution was to unplug the Mackie. That is why I chose the Fostex, because it wouldnt create any noise, regardless that it only accepts RCA unbalanced connections.

The bluetooth functionality is perfect in case you want to connect your cellphone, but it will be useless if you decide to use a subwoofer. I regret buying the bluetooth version now.

My real recommendation is to get a small capable subwoofer for this set, and get the non-bluetooth Eris.

Overall, nice set of speakers!
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Heavenly
Molly_N, 24.07.2020
Been mixing (successfully!) off cheap PC speakers for ages but had to deal with the speakers boosting bass frequencies (etc).
Having a more "flat" set of monitors means mixing is a lot easier.
They are also really nice as general purpose speakers. Form factor is nice and not too big at all.
Build quality is excellent. Just don't forget to also buy balanced cables if you are connecting them to your audio interface, as they are not included .
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Pre Sonus Erus E3.5 BT
Trob, 18.06.2020
These are my first speakers and I couldn't be more happy. I can easily connect my phone to them in an instance to listen to music or even to produce. They sound very good and they don't take much space on my desktop.
The product took around 4-5 days to arrive.

The only cons I would say is that the product doesn't bring unbalanced cables to unbalance to connect it to the interface which would be nice so it can connect from behind instead of connecting the input from the front to the unbalanced from the interface (the monitors do bring that cable).
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$122 €104.31
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The price in USD is a guideline price only!

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