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.