Etymotic Research ER4XR Extended Response
Prices, specifications and measurements for Etymotic Research ER4XR Extended Response (In-Ears).
- Price: $300
- Retailer offers: 2
- Availability: Out of stock or unknown
- Grade: Not measured yet
- Last updated: 2026-10-17T08:26:36.433Z
Current retailer offers
- Musician's Friend $300; Out of stock or unknown; checked 2026-10-17T07:09:26.288Z View offer Provenance: public.price_listings; external ID L68740000000000; connector unavailable
- Guitar Center $300; Out of stock or unknown; checked 2026-10-17T07:08:20.047Z View offer Provenance: public.price_listings; external ID site51500000300943; connector unavailable
Known Specs
- Driver type
- Balanced armature
- In-ear type
- Wired
- Impedance
- 45 Ω
- Sensitivity
- 122 dB
- Frequency range
- 20 Hz – 16 kHz
- Detachable cable
- Yes
- Cable length
- 1.52 m
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