Let's see what is the difference between GRADO RS2e vs GRADO SR325e. These headphones are open-back and have an on-ear design. It is worth mentioning that both of them can be used only with a wire.
Some of their technical characteristics are identical. For instance, the considered devices have the same impedance which is 32 Ohm. Their sensitivity is 100 dB. Speaking of distinction, GRADO RS2e works in a range between 14 Hz and 28 kHz. Meanwhile, the frequency response of GRADO SR325e is 18 Hz - 24 kHz.
Since the appliances are open-back, do not expect them to have noise-canceling. GRADO RS2e provides an energetic, lively mid-forward tone which is an instrument lovers delight. The balance is about as close to perfect as it gets. The bass is consistently crisp, treble solid, highs and lows are more discernible than you have ever heard.
GRADO SR325e has a fabulous reproduction of instruments and vocals and a spacious soundstage thanks to their open-back design. Overall, the device delivers a balanced, well-detailed and dynamical sound.
The headband which can be adjusted makes both pairs of headphones pretty comfortable. When it comes to weight, none of these devices is super light. GRADO SR325e vs GRADO RS2e has 355 g, while the other appliance weighs 385 g.
The audio cable which comes with the devices can not be detached. Another disadvantage of using these headphones is the lack of a microphone and in-line control.