DUNU SA6EST 8 Driver Hybrid In-Ear Monitor | 6 Balanced Armature Driver + 2 Electrostatic Drivers | Dual System Quad Crossover | Custom Nebula Face Plate | Stock Cable: Hulk Pro Mini | Q-Lock Plus Interchangeable Plug System 8 Drivers Hybrid Architecture Custom Vent Low Band Driver for Vibrant Dynamic Bass: Sonion Custom Vent Low Band Driver Equipped with 2 pieces. Bar Air Flow Valve Ensures Large Airflow Volume "Dynamic Driver-like Characters deliver rich, vibrant bass Custom Independent Mid-High Speed Drivers for Vivid and Sleek Texture: Two Knowles Custom Independent Mid-High Speed Drivers with Precision Tuned Tone Nuances Delivers a Subtle and Detailed Mid-High Pass Texture Custom High Beam Drivers for Luxury and Transparency: Knowles Custom High Beam Drivers Doarmature Equipped with 2 drivers, high resolution and high transparency, high range of premium and crystal clear Custom ultra-high frequency electrostatic drivers for an airy and elongated treble range of sonion custom ultra-high frequency electrostatic drivers, delivering brilliant and rich details that exceed the capabilities of traditional dynamic drivers and balanced armature drivers, 6 balanced armor per side. Mature and 2 One electrostatic driver, 8 drivers hybrid configuration Independent 4-channel acoustic tube + electronic crossover controller Combines both physical crossover system and electronic crossover system to achieve precise frequency response control Delivers extremely consistent phase alignment for smooth, natural sound signatureCustom Nebula Face Plate Blue, White and Black swirls to remind you of nebula dance. Random silver flakes reminiscent of the galaxy stars. (Due to the unique faceplate process, there may be slight variations between pairs) Optimized shell contour sleek ear models for an ergonomic fit. Upgraded genuine cable with upgraded "Hulk Pro Mini" cable Maintains exceptional fidelity performance of the original "Hulk Pro" Lightweight design improves portability and comfort High quality internal wiring High purity monocrystalline copper interior wiring for optimum performance Patented Q-Lock Plus replaceable plug system Patented self-locking replacement plug system for easy replacement 3.5mm single end and 4.4mm balanced plug for versatile accessories leather carrying Case, S&S Chip (S - XL size) SA6 EST package has all the accessories you need.