DUNU TITAN S2 Coastal Blue Color Core Dual Chamber Dual Magnetic Circuit High Performance Dynamic Driver TITAN S2 has integrated a number of precision acoustic configurations including dual chamber response adjustment, dual magnetic circuit driving, flexible suspension surround composite high rigidity dome with diaphragm and high tension voice coil. These elements build the foundation for smooth and natural tuning of the TITAN S2 and deliver exceptional performance. Rigidity and Flexibility High Rigidity Dome + Flexible Suspension Surround Composite Diaphragm Dome is meticulously crafted from high rigidity materials with high damping coefficient, with flexible surround for longer travel. By strategically utilizing the properties of each material, the TITAN S2 achieves a truly natural frequency feature that features the transient of lightning and seamlessly accurate music playback in all conditions. Power - Unleash energy from Dual Magnetic Circuit System, Utilizes internal and external dual magnetic circuits for driving, and the abundant energy output further enhances the frequency response performance of the dynamic driver unit. At the same time, it greatly optimizes driving ease and ensures outstanding sound quality in a variety of devices. Frequency Characteristics Smooth and Excellent Frequency Response Characteristics Outstanding dual magnetic circuits and dual chamber dynamic drivers combined with precision base design and acoustic tuning, ultimately bring flagship class acoustic performance and fidelity to the TITAN S2. CRAFTSMANSHIP Heavy Duty Chrome Plated All Metal Cavity TITAN S2 Housing is made from high density alloy material and chrome plated. CONVENIENCE The DUNU Q-Lock Mini Series Replacement Plug System TITAN S2 is equipped with a Q-Lock Mini replaceable plug system that is rare at this price point. Comes with both 3.5mm single end plug and 4.4mm balance plug for easy balance output without replacing cables. Conductive 4-core OCC Copper & Silver Plated OCC Blend Cable with Shock Absorbing Mesh, TITAN S2 uses carefully selected 4-core monocrystalline copper and silver plated OCC mixing cable. The main line is wrapped in nylon shock absorbing mesh to ensure a solid structure and provide a pure, springy sound quality. Expansion Standard 0.78 2Pin Connectors The detachable cable design uses a standard 0.78 2-pin connector and adopts a recessed female socket to ensure a wide range of compatibility and increase durability. Consideration Various Accessories Candy Eartips, S&S Eartips, Storage Pouch, Cable Clip, and Interchangeable Plugs. S&S Eartips: DUNU newly developed ear tips use only flexible silicone and have a straight wall structure on both the outside of the umbrella and the duct. S&S ear tips enhance the sound stage performance of your headphones and provide studio-grade sound playback. Candy Eartips: DUNU newly developed ear tips are made of flexible silicone on the outside of the umbrella and thicker duct for added support. Candy ear tips provide more immersive and vocal density. Balanced Eartips: Gray ear tips are the standard for a wide range of music genres, ensuring accurate playback and balanced sound profiles. Atmosphere Enhancement Eartips: Red duct ear tips act as low-frequency boosting eartips to enhance bass performance and enhance pop musical presence. Main Specs Brand: DUNU Model Number: TITAN S2 Weight: 17.2g Frequency Response: 5 Hz - 40 kHz Impedance: 16Ω at 1 kHz Sensitivity: 107 dB / mW (@1 kHz), 125 dB / Vrms (@ 1 kHz) THD: <0.3% @ 1 kHz Dynamic Driver: Flexible Suspension High Rigid Dome with Composite Diaphragm, Dual Magnetic Circuit, Dual Chamber Dynamic Driver Unit Cavity Material: High Density Chrome Plated Alloy Cable: 4 Strands OCC Copper and Silver Plated OCC Copper Ritz Wire Cable Length: 1.2m ± 0.1m Connector: 0.78 2 Pin Connector Plug: Q-Lock Mini Interchangeable Plug 3.5mm Single-Ended and 4 Includes .4mm Balanced Plug