audio technica / ATH-CKS550i BK

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The ATH-CKS550i is a new in-ear earphone with a newly developed 9.8mm diameter DUAL MAGNETIC-FIELD driver. This model is designed exclusively for iPod/iPhone/iPad and delivers overwhelming bass sound.

■Dual magnetic field driver
・Two magnets facing each other create a magnetic field fusion point that maximizes the magnetic force. The increasing magnetic force dramatically improves the driver's drive and expresses rich low frequencies.
■Multi-transition diaphragm dedicated to deep bass reproduction
・Three-dimensional analysis distributes specific unnecessary resonance points. By maximizing the effective vibration area, deep bass reproduction that exceeds the driver diameter is achieved.
■Airflow-based venting system
・Vents (air holes) are placed in the best position according to the driver characteristics. Optimizes the springiness of the air inside the housing and improves the output efficiency of the bass.
■Remote controller/microphone
・Play/pause/next/rewind/volume adjustment for music and videos, and also supports calls and Siri on iPhones.

◇Headphone section
■Type: Dynamic type
■Driver: 9.8mm
■Output sound pressure level: 105dB/mW
■Playback frequency range: 5-24,000Hz
■Maximum input: 100mW
■Impedance: 16Ω

◇Microphone section
■Type: Condenser type
■Directivity: Omnidirectional
■Sensitivity: -44dB (0dB = 1V/Pa, 1kHz)
■Frequency response: 100-10,000Hz
■Weight (excluding cord): Approximately 7.5g
■Plug: 3.5mm gold-plated 4-pole stereo mini
■Cord: 1.2m (Y-type)
■Accessories: Pouch, earpieces (XS, S, M, L)