QKZ In-ear Wired Earphones Monitor HIFI Professional Level Beryllium-coated Dynamic Unit Standard version black

Features: High-end rare metal beryllium diaphragm unit: Adopting flagship-level high-end rare metal beryllium diaphragm unit, bringing clean speed and power, shaping a magnificent good sound. 10mm large size dual magnetic circuit dynamic coil structure: The strong magnetic circuit brings excellent low-frequency transient performance, and freely swings the refreshing o rhythm. Carefully designed aluminum alloy gold-plated horn unit guard ring and sound mouth: Enhance the beauty and provide a more stable cavity for the sound unit, creating a more pleasing sound quality. Front and rear cavity balanced pressure relief technology: Make the sound more soft and natural, the sound field is wide and comfortable; it can efficiently balance the air pressure in the cavity, eliminate the pressure on the eardrum, and enjoy listening. Wireless BT ear hook: With the wireless BT ear hook QKZ-X, it can be transformed into a true wireless headset in seconds, allowing the fever headphones to exert powerful functions anytime and anywhere. 2 Pin replaceable wire design: 0.75mm standard gold-plated plug, satisfying the possibility of various HIFI upgrade lines. Ergonomic design: Correctly wearing headphones can effectively isolate external noise interference, and still enjoy good sound quality in the noisy crowd. Specification: Optional modes: Standard version- White Black; Mic version- Black Specification with moving coil: 10mm beryllium-plated diaphragm moving coil Speaker Impedance: 22Ω15percent Frequency Range: 10-20,000Hz Sensitivity: 113dB3dB@ 1000Hz Wire Material: Silver-plated double parallel wire Cable Length: 120cm3cm Plug Diameter: 3.5mm Package size: 118*70*40mm Package weight: 75g Package List: 1* Earphone 3* Pairs of Earmuffs