EarAcoustic STA Pro 2DD IEM

EarAcoustic STA Pro Dual Dynamic Driver IEM

Balanced, Analytical & Fatigue-Free High-Fidelity Sound

The EarAcoustic STA Pro is a precision-engineered dual dynamic driver in-ear monitor built for audiophiles, professionals, and critical listeners who demand clarity without fatigue. Featuring a 10mm ultra-clear composite diaphragm for authoritative bass and natural mids, paired with a 6mm high-speed composite driver for crisp, controlled highs, the STA Pro delivers a wide soundstage, clean transients, and rich micro-details across the frequency spectrum.

Powered by Tesla-level N50 magnets producing ~10,000GS magnetic flux, the STA Pro achieves ultra-low distortion (<0.5% THD), lightning-fast <3ms transient response, and a tightly controlled ~50ms bass rebound. The result is a smooth, balanced, and immersive sound signature with excellent instrument separation—ideal for long listening sessions, studio monitoring, and high-resolution music playback.

Dual Dynamic Driver Architecture for Pure Sonic Accuracy

At the heart of the STA Pro is a dual-core dynamic driver array.

• The 10mm graphene-infused diaphragm handles lows and mids with authority, texture, and speed

• The 6mm composite diaphragm delivers extended, airy treble without harshness or sibilance

This configuration ensures natural timbre, fast decay, and distortion-free dynamics, allowing vocals, instruments, and ambience to remain clearly defined even in complex tracks.

Balanced & Analytical Sound Signature

The EarAcoustic STA Pro is tuned for neutral-leaning balance with musical warmth:

• Tight, controlled bass with realistic impact

• Forward yet natural mids for vocals and acoustic instruments

• Smooth, airy treble that reveals detail without fatigue

Its holographic presentation and wide soundstage make it versatile across genres—from EDM and rock to jazz, classical, and film scores.

Year of the Snake Inspired Design

Inspired by the 2025 Year of the Snake, the STA Pro features serpentine resin faceplates with iridescent scale detailing and flowing contours. Crafted in Shenzhen, the shells blend mythical artistry with modern acoustic engineering, making the STA Pro as visually striking as it is sonically refined.

Ergonomic Fit for All-Day Comfort

Designed using real-ear canal data, the STA Pro’s lightweight zinc-alloy shells offer:

• Secure, low-profile fit

• Effective passive noise isolation

• Reduced pressure points for extended listening

Multiple eartip sizes ensure optimal seal and comfort, whether at a desk, studio, or on the move.

Premium Detachable Audiophile Cable

Included is a 1.2m high-purity 0.78mm 2-pin detachable cable, constructed from oxygen-free copper and silver-plated mixed-weave strands. Professionally built for pure signal transmission, it offers:

• Zero audible microphonics

• Minimal signal loss

• Durable, tangle-resistant construction

The detachable design also allows easy upgrades with aftermarket cables.

Specifications

• Brand: EarAcoustic

• Model: STA Pro

• Driver Configuration: Dual Dynamic (10mm + 6mm)

• Impedance: 22Ω

• Sensitivity: 108dB

• Frequency Response: 10Hz – 30kHz

• Total Harmonic Distortion: <0.5%

• Transient Response: <3ms

• Bass Rebound: ≈50ms

• Magnetic Flux: ~10,000GS (N50 magnets)

• Cable Connector: 0.78mm 2-pin

• Cable Material: OFC / Silver-plated mixed weave

• Cable Length: 1.2m