Binary 1900 Hybrid In-Ear Monitors (1DD + 1PR + 4BA) Bring cinematic emotion and Audiophile-grade precision to your ears with the Binary 1900 Hybrid IEMs. Inspired by the film The Legend of 1900, this high-performance in-ear monitor combines striking vintage aesthetics with a sophisticated 6-driver hybrid architecture per side. Engineered with a 10mm dynamic driver, a 6mm passive radiator, and four balanced armature drivers, the Binary 1900 delivers deep sub-bass, clean organic mids, and airy treble extension across an expansive soundstage. Key Highlights 6-Driver Hybrid Architecture (Per Side): Features 1 x 10mm Dynamic Driver + 1 x 6mm Passive Radiator + 4 x Balanced Armature Drivers Dual Bass Configuration: 10mm DD and 6mm Passive Radiator team up to deliver dynamic, impact-heavy bass with rich sub-bass extension. Precision 3-Way Crossover: Physical acoustic pathways and electronic crossovers ensure ultra-low distortion and seamless phase coherence. 316L Stainless Steel Faceplates: Vintage piano-engraved steel faceplates paired with ergonomic resin shells for fatigue-free listening. Audiophile-Grade Stock Cable: High-purity Silver-Plated Oxygen-Free Copper (OFC) braided cable with 0.78mm 2-pin connectors (Available in 3.5mm SE or 4.4mm Balanced). Sound Profile & Tuning Bass: The dynamic driver and passive radiator combo produces punchy mid-bass and authoritative sub-bass rumble without bleeding into the lower mids. Mids: Two dedicated BA drivers deliver a clear, forward, and uncolored midrange—perfect for natural vocal timbre and intricate instrument separation. Treble: Two customized high-frequency BA drivers provide crisp detail retrieval, micro-dynamics, and smooth high-end extension without harshness or sibilance. What’s in the Box? 1x Pair Binary 1900 IEMs 1x Silver-Plated OFC Braided Cable (3.5mm or 4.4mm) 1x Premium Protective Storage Case Assorted Silicone Eartip Set Technical Specifications Feature Specification Driver Setup 10mm DD + 6mm Passive Radiator + 4 BA Crossover 3-Way Crossover Network Shell Material 316L Stainless Steel Faceplate + Resin Inner Shell Connector Type 0.78mm 2-Pin Cable Material High-Purity Silver-Plated OFC Braided Termination Options 3.5mm Single-Ended / 4.4mm Balanced Frequently Asked Questions (FAQ) Q: What is the benefit of having a passive radiator in an IEM? A: The 6mm passive radiator works alongside the primary 10mm dynamic driver to increase air movement within the acoustic chamber. This provides deeper, more authoritative sub-bass extension and controlled physical impact without requiring additional active power or introducing mud into the lower mids. Q: Should I choose the 3.5mm or 4.4mm option? A: Choose 3.5mm if you plan to connect directly to standard headphone jacks, smartphones, or basic dongles. Choose 4.4mm if you use a dedicated Digital Audio Player (DAP) or balanced portable amplifier, as it provides higher power output and lower crosstalk. Q: Are the Binary 1900 IEMs easy to drive without a DAC/Amp? A: Yes, the hybrid multi-driver design is sensitive enough to run directly off standard dongles or phone adapters. However, using a quality DAC/Amp or balanced 4.4mm connection will help you get the best dynamic range, soundstage width, and detail retrieval out of the 6-driver system. Q: How is the fit for long listening sessions? A: While the outer faceplates are made from durable 316L stainless steel, the inner shells are molded from lightweight, medical-grade resin using an ergonomic contour. This reduces pressure points in the ear canal and minimizes ear fatigue during extended sessions. Q: Can I use third-party upgrade cables? A: Absolutely. The Binary 1900 uses standard flush 0.78mm 2-pin connectors, making it fully compatible with aftermarket balanced cables, Bluetooth adapters, or custom audio wires.