1. Closed front cavity design, effectivelyisolating noise.

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2. Specialized high-performance 6mm microexternal magnetic circuit structure dynamic driver.

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3. Brought you incredible excellentfrequency response after two years of repeated tuning.

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4. The patented anti-blocking sound damping+ double damping structure not only greatly reduces the possibility ofimbalance caused by blockage, but also lower the influence of high-frequencyringing.

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5. Industrial design, fashionable aesthetic.

[QUARKS] Closed front cavity dynamic driver in-ear earphone

Frequency response range: 4 - 43kHz (IEC61094, Free Field)

Effective frequency response: 20 - 20kHz (IEC60318-4, -3dB)

Sensitivity: 116dB/Vrms @1kHz

Impedance: 16Ω ±15% @1kHz

THD: <1%@1kHz

Transducer: specialized high-performance 6mm micro dynamic driver

Material of Cavity: PC

1. [QUARKS] Earphone * 1

2. Cable Tie * 1

3. Carry Bag * 1

4. Silicon Ear Tips * 3pairs (S, M, L)

5. Manual * 1

6. Wearing Guide * 1

7. QC Certificated Card * 1