Why Shop With Us?
Free Shipping
Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
Orders placed before 3 p.m. ET usually ship the same business day.
Learn More2-Year Free Warranty on Guitars
Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.
Contact Us for DetailsWe're Here for You
Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.
Contact UsContact Us
Hablamos Español
866.226.2919
Hours:
MON - FRI 6 AM – 7 PM PT
SAT 7 AM – 6 PM PT
SUN 8 AM – 5 PM PT
ER4SR Studio Reference Earphones
false falseWe're sorry-this item is unavailable.
Contact our experts for a recommendation of great alternatives. Call us at 800-449-9128.
High fidelity, high accuracy technology creates the best audio experience.
The ER4SR modal delivers sound accuracy with greater output for a high fidelity experience.
For in-ear earphones that are best in class, order today.
ER4SR Studio Reference Earphones Specifications:
- Frequency Response: 20 Hz - 16 kHz
- Transducers: High performance, balanced armature micro-drivers
- Noise Isolation: 35-42 dB
- Impedance (@1kHz): 4XR (45 Ohms) 4SR (45 Ohms)
- Sensitivity (@1 kHz) SPL at 0.1v: 4XR (98 dB) 4SR (98 dB)
- Maximum Output (SPL): 122 dB
- Cable: 5 ft Detachable
- User Replaceable ACCU-Filters: Yes
- Warranty: 2 Year Manufacturer's
- Custom-Fit Option: Yes
- Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
- Orders placed before 3 p.m. ET usually ship the same business day.
Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.
Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.
Musician's Friend Support