Features: Experience studio grade sound claritys with the 10mm Carbon Nanotube CNT Diaphragm Driver Unit, featuring double chamber design for enhanced bass response and nondistortion sound reproduction. Crafted from lightweight yet durability metal housing, this carbon nanotube speakers delivers robust performances while maintaining portability for on the go use. Ideal for audiophiles and outdoor enthusiasts seeking premium sound quality in compact, travel friendly music equipment. Elevates music experiences at home gatherings, outdoor parties, or high intensity workout with its powerful bass output and clear treble. Engineered with advanced dynamic coil technology, this CNT driver maintains precise sound fidelitys even at most volumes, ensuring nondistortion during extended playback. Specifications: Component:Metal+Carbon Nanotube Film Diameter:Approx.10mm/0.39inch Impedance:32ohm±10% Sensitivity:105db Input Power:2-3mW Resonant Frequency:20Hz-20KHz Features: precise manufacturing process ensures high-fidelitys sound quality output of each diaphragm unit, and coating provides excellent wear resistance and extends service life. Suitable for high-end headphones, portable speakers and other equipment to improve overall sound quality performances and suitable for users who quality sound effects. Package Includes: 2pcs Dynamic Drive Unit 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.