1. Nano-titanium crystal PVD coating composite diaphragm greatly improves the damping while maintaining excellent damping characteristics.

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2. 10mm composite cavity dynamic driver structure, offers the dynamic and full details.

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3. Ideal acoustic coupling cavity verified by FEA finite element simulation combined with 3D printing experiment.

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4. The overall frequency response curve conforms to VDSF Target Response[1] and highly fits the listening environment of the master tape.

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5. The alloy casting external cavity, which is durable and excellent in texture.6. Comes with Spring tips

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[1] VDSF Target Response is a target frequency response curve made based on HRTF of B&K HATS in diffusion field and ideal room preference curve. The closer the frequency response curve measured by headphones under B&K HATS is to the target frequency response curve, it can be roughly regarded that the more the headphones can restore timbre and soundstage imaging in frequency response.

[CHU] high-performance dynamic earphone

Material: Zinc alloy

Driver: 10mm high-performance dynamic driver

Diaphragm material: Titanium-coated

Sound coil: 0.035mm ultra-fine black CCAW

Magnetic circuit: N52 magnetic high-performance internal magnetic circuit

Acoustic filter: Patented anti-blocking (anti-imbalanced) acoustic filter

Sensitivity: 120dB/Vrms (@1kHz)

Impedance: 28Ω±15% (@1kHz)

THD: 1kHz≤1%

Frequency range: 10Hz-35kHz (IEC61094, Free Field)

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

1. [CHU] earphone * 1

2. Cable tie * 1

3. Storage bag * 1

4. Ear hook * 2

5. Spring tips * 3 pais (S, M, L)

6. Manual * 1

7. QC Certificated card * 1