Product Comparison: Etymotic Research ER4-SR vs Etymotic Research ER4S-B
- Sound quality is awesome for the money.
- Good isolation. Clear, detailed sound.
- The sound is absolutely clear, you can hear everything across the range.
- Bass is emphasised enough for me.
- Excellent sound quality. Good, flat response over full audio range.
- Can't hear anything else when wearing them.
- High noise isolation - like good earplugs.
- Fast decay times - easy to listen to for hours.
- Superb Isolation. Clean sound for 1 BA driver.
- I very much enjoy the sound quality, noise cancelling effect.
- They are the ultimate in reference quality perfection. Ultimate isolation.
- They have an excellent number of earbuds included.
- Loads of useful extras such as earbuds and case.
- Good quality build. Great headphones.
- The sound is absolutely crystal clear. Bass is light but very nice sounding.
- Provided tips are not very comfortable.
- Needs an external amplifier to sound best due to (high) >100 ohm resistance.