It definitely improves, not by a huge stretch but it is noticeable for sure. Instruments sound a touch more resolving, clearer, and definitely hit with more authority and speed.
E12 Bass boost on versus EQing the bass on the X3.. E12 delivers it so much better imo. Drums and Snares have that snap that make me smile.
Clarity and Seperation do take a short leap forward from most tracks I've heard.
Using Chesky's Ultimate Demo Discs and Ultrasone's Demo Disc for comparison.. so enjoyable.
edit: Is having the E12 in this combo worth the extra $90-$130? I'd say not necessary. But I have it, and I hate push button volume controls.. and I love the look.. so yeah it was for me.
edit 2: E12 is worth it if you're wanting that bass to slam. EQ'd X3 Bass +7 to +10 vs X3 +0 w/ E12 (bass boost on) sounds so much cleaner and hits harder. It was really noticeable when I played some Trap music.
Edited by RochRx7 - 6/12/14 at 10:29am