Features: Engineered with a groundbreaking 10mm double chamber design and multilayer sputtering diaphragm, this headphone speakers driver delivers unparalleled bass depth and clear sound resolution for true audiophiles. The precise crafted metal housing integrates double acoustics chambers and advanced sputter coated diaphragm technology, achieving 20Hz-20kHz frequency response with 108dB sensitivity for nondistortion sound reproduction. Ideal for music producers, home theater enthusiasts, and portable music users seeking studio grade performances in compact speakers systems. Perfectly enhances movie night in living rooms, outdoor parties with deeply bass reinforcement, or critical listening in acoustically treated spaces. Experience live concert like immersion through its vibrations controller systems that maintains phase coherence across all volumes levels while minimizing metallic resonance. Specifications: Component: Metal, Diameter:Approx.10mm/0.39inch Impedance:32ohm±10% Sensitivity:105db Input Power:2-3mW Resonant Frequency:20Hz-20KHz Features: The double-chamber structure enhances low-frequency response to ensures the claritys and depth of sound; it is compatible for a variety of music devices to enhances the user experience. Package Includes: 2pcs Headphone speakers Driver note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.