PIONEER microphone and controller equipped with dynamic sealed canal earphone SUPERIOR CLUB SOUND SE-CX7-W (White) Type: Sealed dynamic + Exciter Play frequency band: 4 Hz ~ 30 000 Hz / output sound pressure level: 103 dB / impedance: 28  / maximum input: 100 mW Use unit: 9.4 mm / plug (gold-plated): 3.5 mm 4-pole stereo mini plug / connection code: OFC litz wire 1.2 m Mass (excluding code): 11g Accessories: earphone chip (silicon) S, M, L each two / carrying case / self fit Wing