Westone ES40 (78520)
![]() | Outdated Product Design: in-ear; Connection type: wired; mini-Jack (3.5 mm); Cable supply: double-sided; Cable length (m): 1.3; Detachable cable; Impedance (Ohm): 28; Frequency range (Hz): 10 – 20000; Sensitivity (dB): 112; |
Westone ES40
Type:in-ear
Connection:3.5 mm
Frequencies:10 – 20000 Hz
Sensitivity:112 dB
Two armature drivers for low frequencies and one driver each for medium and high frequencies.
All specifications
Specifications ES40
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E-Catalog UK editor, Headphones
Olexandr Cherkashche…, edited 08.04.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Westone 2026 - new arrivals, bestsellers, and the most relevant models Westone.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Westone 2026 - new arrivals, bestsellers, and the most relevant models Westone.

















