body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; background-color: #f9f9f9; color: #333; } .container { max-width: 800px; margin: 0 auto; padding: 20px; background: #fff; border-radius: 10px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); } h2, h3 { color: #0056b3; } ul { list-style-type: none; padding: 0; } ul li { margin: 5px 0; } .highlight { font-weight: bold; color: #0056b3; } .features, .specifications, .description { margin-top: 20px; } .note { background-color: #ffefc6; padding: 10px; border-left: 4px solid #ff9900; margin-bottom: 20px; } Binary DynaQuattro 4 Dynamic Driver IEMs 3 Specialized Dynamic Drivers + 1 Passive Diaphragm In-Ear Earphones with 3.5mm + 4.4mm Plugs Description The Binary DynaQuattro features three specialized dynamic drivers and one passive diaphragm, delivering an astonishing total diaphragm area of 193 square millimeters. With a three-way frequency crossover, the DynaQuattro promises a clear, wide frequency response range with low distortion and high-resolution clarity. This IEM offers a powerful and clear sound response with a unique airy presentation, representing a new era of precision diaphragm control. Features Three Specialized Dynamic Drivers + 1 Passive Diaphragm: 10mm, 8mm, and 6.8mm dynamic drivers with a 6mm passive diaphragm for an expansive sound experience. Three-Way Frequency Crossover: Ensures clear sound reproduction across the frequency range. Wide Frequency Response Range: Delivers an exquisitely detailed sound with a frequency range from 20Hz to 20kHz. Enhanced Low-Frequency Response: 10mm dynamic driver with a dual-diaphragm design for a deep and impactful lower-end. High-Resolution Mid and High Frequencies: 6.8mm aluminum diaphragm driver and 8mm cermet diaphragm driver for detailed high and mid frequencies. Precisely Designed Physical Frequency Crossover: Each driver has an independent acoustic tube for enhanced sound presentation. Classy CNC Machined Aluminum Alloy Face Panels: Inspired by industrial-grade patterns, symbolizing professionalism and precision. High-Quality OFC Silver-Plated Cable: Includes interchangeable 3.5mm and 4.4mm plugs for versatile use. Specifications Model: Binary DynaQuattro Drivers: 10mm + 8mm + 6.8mm dynamic drivers + 6mm passive diaphragm Impedance: 23Ω @ 1kHz Sensitivity: 111dB/Vrms @ 1kHz Effective Frequency Response: 20Hz-20kHz THD+N: