passive, non-electronic in-ear device with aluminium core
Affected Frequency Range Hz
affected_frequency_range_hz
reduces ear resonance / auditory stress without muffling
Core Material
core_material
Outer Material
outer_material
Noise Reduction Db
noise_reduction_db
0 (does not attenuate volume)dB
Every field carries its own trust-tier: core data is confirmed by the manufacturer, peripheral data — by AI (with a source link). Safety-critical parameters (load ratings) are never published below vendor-claimed — a liability requirement.