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
74 Customer Ratings
  • 5
  • 4
  • 3
  • 2
  • 1
4.7 /5
  • features
  • sound
  • 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
features
quality
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Solid for the price!
oheidhin, 02.01.2021
If you're in a small space these are ample for the job. They can provide you with a nice flat response for recording, but also has the option to get that bass up if required for listening to music for pleasure.

Really in this price range, they can't be beaten! The Bluetooth is so handy for connecting to my phone when they're not being used in a studio context.
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Good sound but one annoying feature
E Mats, 23.02.2021
I love these, I have absolutely no complaints about the sound but after about a month of owning them, I realised something annoying about the bluetooth feature. Essentially if you have connected more than 1 device to it (e.g. laptop as well as mobile phone), it will constantly search for the other device and make an annoying beeping sound (even when you disconnect it / unpair it). It doesn't annoy me enough to return them but it does get on my nerves... other than that the speakers are great.
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Great piece of gear
raz2, 07.03.2021
These replace a 2.1 system, that had way too much lows, even with subwoofer’s bass knob turned off.
These produce a great sound, the output is pretty flat, exactly what I expect from such monitors. Although they allow some small adjustments if wanted.
The bluetooth is a great feature, Is nice to send music to them wireless from laptop, phone, etc.
Their size fits perfectly my desk space. Easy to connect. Work flawless.
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$119
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