64 Audio U4s - Hybrid Dynamic + Balanced Armature Universal In-Ear Headphones

Specs:  Drivers: 1 tia High Driver, 1 High-Mid Driver, 1 Mid Driver, 1 Dynamic Low Driver Frequency Response 10hz – 20kHz Frequency Response Sensitivity 107 dB/mW Sensitivity @1kHz Crossovers Integrated 4-way Passive Crossover Impedance 11Ω Impedance Apex Technology Isolation: -20dB, -15dB, -10dB Cable: Black Premium Cable 0.23 Ohms Total Impedance 7 x 7 x 4 Multi-Twist Silver Plated OCC Copper Wire 26 AWG Terminated in 3.5mm The U4s by 64 Audio introduces a striking color aesthetic, drawing inspiration from blue-dial timepieces and the unique patterns of Muonionalusta meteorite fragments. The shell's Slate Blue color and faceplate's illuminant properties create a distinct tone in various lighting conditions. In terms of sound, the U4s delivers a balanced and engaging audio experience. It offers physically engaging sub-bass without bleeding into the mid-bass, balanced mid frequencies, and a pleasant high-mid band. The inclusion o