8-Driver Hybrid Architecture
Lively Dynamic Bass: Features two custom Sonion vented low-frequency drivers, incorporating a large airflow volume via the chamber's airflow valve, delivers rich, dynamic bass.
Vivid Mid-High Frequencies: Two custom Knowles independent mid-high frequency drivers, meticulously tuned for lifelike tonal nuances and refined textures.
Luxurious Transparent Highs: Two custom Knowles high-frequency balanced armature drivers provide outstanding resolution, presenting transparent and detailed highs.

Dual-System Quad Crossover for Precise Sound Control
Featuring an 8-driver hybrid configuration with 6 balanced armatures and 2 electrostatic drivers on each side, as well as an independent four-channel acoustic tube combined with an electronic crossover controller, integrating both physical and electronic crossover systems. This design allows for precise frequency response control and maintains highly consistent phase alignment, resulting in a smooth and natural sound signature.

Unique Nebula Faceplates with Optimized Ergonomic Design
Featuring a swirling blend of blue, white, and black, reminiscent of the cosmic dance of nebulae, and sprinkled with silver flakes like twinkling stars, each faceplate is uniquely crafted for a one-of-a-kind appearance. The shell contour is meticulously designed with a refined ear model, ensuring a perfect ergonomic fit that comfortably conforms to the natural shape of the ear, providing a comfortable wearing experience.

Upgraded Cable and High-Quality Internal Wiring
Includes the upgraded “Hulk Pro Mini” cable, maintaining the exceptional fidelity performance of the original “Hulk Pro” with a lightweight design for enhanced portability and comfort. To ensure optimal audio quality, all internal wiring is made of high-purity single-crystal copper, delivering superior sound performance.

Interchangeable Plug System and Complete Accessories
Features a patented self-locking plug system for easy swapping between 3.5mm single-ended and 4.4mm balanced plugs. The SA6 EST package includes a leather carrying case and S&S ear tips in sizes S to XL, providing everything needed for an excellent listening experience right out of the box.

Technical Details:
Net Weight: 6 g (per side)
Frequency Response: 5 Hz- 40 kHZ
Impedance: 55 Ω @ 1 kHz
Sensitivity: 117 dB / mW (@1 kHz); 130 dB /Vrms(@1 kHz)
THD: <0.5% @ 1 kHz
Cable Length: 1.2 m + 0.1 m
Connectors: 0.78mm 2Pin
Includes:
4.4 mm TRRRS Balanced
3.5 mm TRs Single-Ended
Cavity Material: Resin
Faceplate: Color Painting
Inside the Box:
1 x DUNU SA6 EST
User Manual