• New High-Performance Audio SOC Integrated DAC + AMP + DSP 32bit/384khz High-Definition Audio - Quark2 uses a brand-new 40nm high-performance USB audio SOC chip with integrated CPU, RAM, DSP and decoding amp. Quarks 2 can load complex audio filters and deliver hardware-decoded high-definition audio up to 32bit/384khz for high-resolution lossless audio. 
• Universal USB-C Interface Compatible with Windows, Android and iOS - USB-C interface based on standard UAC 2.0 audio protocol. Quark2 is compatible with Windows, Android and iOS and other devices with a standard USB-C interface. 
• Ultra-Wideband, Ultra-Low Distortion Exceptional Acoustic Performance Refined High-Level Tuning - Ultra-wide response across the entire frequency range based on VDSF Target Response tuning. Three preset tunings to suit most listening scenarios. The above-specification configuration delivers exceptional acoustic performance, Thanks to the new audio SOC chip, full-link nonlinear distortion is less than 0.05%. 
• Dual Acoustic Filter Design Eliminates Timbre Burr - Quark2 adopts a dual acoustic filter design composed of different damping materials to effectively reduce the Q value of ultra-high notes, thus eliminating the timbre burr commonly found in entry-level hi-fi earphones without, however, compromising details. 
• Convenient Three-Button Online Control High-quality Pickup Microphone - Using the convenient three-button online control, users can easily adjust volume, pause/play, and answer/hang up. The online control has a built-in high-definition pickup microphone for conference calls, game talkback, live voice and other scenarios.

Specification

• Product Name: Quark2 USB-C Micro-dynamic-driver In-ear Headphones
• Driver Configuration: Micro-dynamic-driver with LCP dome composite flexible suspension diaphragm
• Frequency Response: 20Hz-20kHz (IEC60318-4, 3dB )
• THD: ≤0.05% ( @1kHz )