Sennheiser IE 40 PRO In-Ear Monitoring Headphones (Black) Brand_Newertech

Sennheiser IE 40 PRO In-Ear Monitoring Headphones (Black) Brand_NewertechKey Features 10mm Dynamic Drivers 20 Hz to 18 kHz Frequency Response 115 dB Maximum SPL Up to 26 dB of Passive Noise Attenuation The black Sennheiser IE 40 PRO are in ear monitoring headphones offering high output and broadband frequency reproduction for musicians, vocalists, and audio engineers in clubs, concert venues, and houses of worship. They feature 10mm dynamic drivers, which produce a 20 Hz to 18 kHz frequency response and a maximum SPL of

Soft Ear Cushions & Ergonomic Design

and a Triple Linear Motor AF system for refined focusing performance

and four groups of lights across each channel

but many FX6 specs tick the same boxes and several improve upon the FX9:

Two times brighter than the Nova P300c

DUAL-OPTIC DESIGN

15 built-in lighting effects

Protecting glass used for XB PRIME is upgraged

iOS and Windows system

080 lux at a distance of 3

Simple exposure adjustments

Smooth and Rapid Autofocus