IER-M9//Q WW2_4331202183202_Highlight

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Penta BA system

Magnesium diaphragm super tweeter

Sony's original design BA Driver Units

Light and durable magnesium outer housing

Pre-formed ear hanger for stable fit

Driver Unit

Penta Balanced Armature

Frequency Response

5Hz- 40000Hz

Cord Length

Approx. 1.2m, silver-coated OFC strands, ear hanger, L-shaped non-magnetic gold-plated stereo mini plug, Approx. 1.2m, silver-coated OFC strands, ear hanger, L-shaped non-magnetic gold-plated balanced standard plug