PreSonus Eris E66 Dual 6.5" Powered Studio Monitor

140W 2-way Powered Studio Monitor, with Dual 6.5" LF/MF Drivers and 1.25" HF Driver (each)
PreSonus Eris E66 Dual 6.5
PreSonus Eris E66 Dual 6.5
$349.95 (each)
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PreSonus Eris E66 Dual 6.5" Powered Studio Monitor
In Stock!
$349.95 (each)

Wide, True Sound

Expect accurate response, a wide frequency range, and exceptional stereo imaging with PreSonus Eris E66 powered studio monitors. With a single silk-dome tweeter positioned between two woofers, Eris E66 monitors create a large sonic sweet spot with smooth on- and off-axis response which will help you make better mix decisions. And with acoustic tuning controls to compensate for proximity to walls or corners, these monitors will sound great in just about any room. Whether you position them vertically or horizontally, PreSonus Eris E66 powered monitors are outstanding in their class.

PreSonus Eris E66 Active Studio Monitor at a Glance:
  • Dual-woofer design for larger sonic sweet spot
  • Acoustic tuning compensates for nearby walls and corners
  • Position vertically or horizontally to fit your mix space
Dual-woofer design for larger sonic sweet spot

The Eris E66 is designed with its 1.25" high-frequency tweeter between two 6.5" Kevlar drivers for low- and mid-frequencies. The Kevlar drivers run in parallel and cover the same frequency range. PreSonus explains that this gives the Eris E66 improved off-axis response and spatial resolution. You can expect highly detailed sound that won't fall apart when you move your head a few inches away from your mix position.

Acoustic tuning compensates for nearby walls and corners

We've helped design countless studios here at Sweetwater, and we know that room anomalies and bass buildup are big challenges in small mixing spaces. Even if you're forced to put your Eris E66 monitors close to a wall or corner, acoustic tuning controls on the rear panel help reduce muddiness and smeared stereo imaging.

Position vertically or horizontally to fit your mix space

PreSonus designed the Eris E66 to serve up accurate sound and wide stereo imaging, whether you set them up vertically or horizontally. Whichever orientation works best for your studio, you can expect true sound from Eris E66 monitors.

PreSonus Eris E66 Active Studio Monitor Features:
  • Active studio monitors with 140 watts of Class A/B bi-amplification
  • Dual Kevlar woofers provide solid lows and detailed mids
  • Wide sonic sweet spot with smooth on- and off-axis performance
  • Can be aligned vertically or horizontally with equally impressive results
  • Acoustic tuning controls help compensate for unwanted bass buildup due to room characteristics
  • Continuously variable HF and MF controls (-6dB to +6dB) help further fine-tune the sound for your room
Detailed stereo imaging is yours with PreSonus Eris E66 studio monitors!

Additional Media

Studio Monitor Buying Guide

Tech Specs

Powered Yes
Power Configuration Bi-amped
Speaker Size 2 x 6.5"
LF Driver Size 2 x 6.5"
HF Driver Size 1.25"
Total Power 140W
Input Types 1 x XLR, 1 x TRS, 1 x RCA
Enclosure Type Ported
Manufacturer Part Number Eris66

Customer Reviews

Based on 8 reviews
Write your review

E66 Amazing!

E66, will what can I say but WOW! The minute I started using the E66 I walked out of the darkness into the light. The E66 MTM will improve your mix I a 100% I guarantee weather your a beginner or a seasoned Vet you will love what you hear. Great job Personus. A must have
Music background: Music Engjneer

Great Quality and Sonic Fidelity

I am not a long time studio mix/master veteran however, I have been gigging, live mixing and recording in studios for just over 30 years. I bought these as part of home recording studio setup. I no longer have the time to dedicate to live/recording projects. That said, I decided on these MTM monitors due to price point, flexibility of usage in various room configurations, amp/power specifications and tune ability. The monitors appear to be manufactured to very high quality standards and upon initial inspection and hookup, I cannot find a single flaw with workmanship. The mass is substantial and the chassis is very well designed. After using these for 3 months, I have grown very fond of their clarity and sonic fidelity. I have not heard higher end monitor systems to compare, however I have a clear understanding and an adept ear for acoustic fidelity and, after proper tuning (which Presonus provides clear, pragmatic tips) these MTMs are strongly producing all of the frequencies and advertised without muddy 80-300-ish-hz. During mixes and post dynamics, it is very discernable shelving EQ's and compressor/limiter parameters through the spectrum. Note that I do pair these with a T10 and have tested them with active and de-active. Being a bass player, this was a must. You know how we are about low end. I connect them with Mogami XLRs and plug them into a highly shielded power chain. I cannot even tell they are on as I type this. Very quiet with no persistent anomalous noise. In summary, for the price point, the excellent support structure from Presonus and high level of QA and workmanship, I recommend these monitors to anyone who is looking for quality gear in this price range. I have a high degree of confidence with these monitors. Which in my opinion, is very important. Sweetwater? Goes without saying.. You cannot find better service and support in this galaxy.
Music background: Bassist, songwriting and live sound for 30+ years

What a great product

I was looking for a dual LF drivers and found the E66. Didnt think twice and got one speaker as central (for mono references). Very pleased with it. I gotta thanks Mike for his help. Thank you guys :)
Music background: Producer

Giant Killer

The PreSonus Eris E66 are the first Presonus products we have ever owned. I am coming from the original Alesis Active Monitor One's that have been in use for about 14 years. PreSonus caught my attention with the Sceptre series, but due to a limited time buy one get one free special, I couldn't pass on the E66. The first thing one will notice about the E66 is the aesthetic, I am a fan of the design. The dual 6.5 inch kevlar woofer design is unique not just technically but visually as well. I am a firm believer in presentation, and the look is all class. The cones are finished in a blue tint that gives the boxes a modern look without being obnoxious and clashing with other studio elements. Coming from the Alesis these are my observations. Immediately the biggest difference was stereo placement of instruments. In my mix position, placement in the stereo field really stands out. The frequency spectrum is well represented, starting with a solid, tight, controlled bottom end. There is more than enough power for mixing. The E66 seem to provide a clearer window into what is happening in a mix overall relative the Alesis, FX choices, EQ choices, etc. all seem much more distinct, and will push the producer to polish the mix, which is the ultimate goal. If one wants to intentionally hype the mix to a degree to inspire performances while tracking, there is plenty of control on the rear, which can be returned to a flat state for translatable, serious mixing. Ultimately the only issue I have doesn't really involve the actual product at all. From a marketing perspective I think PreSonus, undersells the Eris series, not as much with the MTM line, but the series in general is presented in much of their material in a way that to a degree diminishes the product's potential. They should really position the speaker as a giant killer, a professional tool usable on the highest of levels, while being accessible to most anyone. Products of this sort truly are equalizers, they take budget out of the equation and make producers competitive based on creativity and talent. PreSonus really should sell that angle, reaching beyond the entry level marketing language.
Music background: Producer/Artist/Musician

You can't find anything better at or near this price.

The E66 reproduces dynamics and detail throughout its range well. There is a little bit of smear on the low end but you can virtually eliminate that with the Iso Acoustics stands which I consider a must have for any monitor purchase. After doing 3 mixes this past week on them I find the translation to other playback devices is predictable. The usable low end goes down to about 60 to 65Hz. The sweet spot is larger than a typical single woofer and tweeter design but maybe not as huge as the marketing material claims. However this is more than adequate for smaller home studio mix positions.
Music background: Mix Engineer
See also: Powered Monitors, PreSonus, PreSonus Active Monitors