2 Years Local Warranty. Any mention of "us," "we," "our," etc is by Campfire Audio, not AV One. Iris is a highly compact, lightweight, hybrid-design in-ear-monitor that provides rich, dynamic, lows and an energetic detailed sound throughout. 10mm ADLC dynamic driver (low/mid) High-performance balanced armature (high) Transparent acrylic housing Stainless steel accents Time Stream Metal cables (3.5mm, 4.4mm) Leather IEM Wallet Tech Specs Impedance: 14.8Ω @ 1kHz Frequency Response: 5-20 kHz SPL: 94db @ 1 kHz: 17.26 mVrms THD: less than 0.5% Included Accessories Time Stream Metal Cables - Four SPC conductors - 3.5mm single ended & 4.4mm balanced Dimensional Folding Wallet - Handmade in Portugal, genuine leather (Gray) Foam Eartips (S, M, L) Silicone Eartips (S, M, L) High & Clear Eartips (S, M, L) IEM Cleaning Tool Microfiber cleaning cloth CA Lapel pin Compact size, big sound The perfect hifi companion for users looking to maintain audiophile grade performance in a compact form great for everyday carry. Iris uses our premium, 10mm ADLC dynamic driver to create deep-reaching, engaging lows. High frequencies are sparkling and energetic, powered by a single, high-performance balanced armature. This powerful hybrid configuration is housed in highly compact, transparent acrylic housing that sits low-profile in the ear. Iris provides easy listening and enduring comfort throughout your day. Interior 10mm ADLC Dynamic Driver One of our most advanced dynamic drivers, our ADLC (Amorphous Diamond-Like Carbon) diaphragm creates powerful transients that are wonderfully textured and accurate while remaining smooth and natural. High-frequency balanced armature High frequencies shine through with precision and clarity; revealing detail and nuance in your favourite tracks, while expanding sense of space and staging. Precision acoustic geometry Iris' powerful drivers are paired with carefully engineered acoustic geometries to enhance performance and shape the final sonic output. Pressure control ventilation Iris' vented design balances air-pressure and volumes to ensure even movement of driver diaphragms and maximise driver performance while also assisting with inner-ear air pressure. Designed, engineered, and assembled by hand in Portland, Oregon. Iris is designed and engineered from top-to-bottom by Campfire's three-person engineering team from our sole location in the heart of Portland, Oregon. Each set of Iris is assembled by hand by our skilled production team, tested, packed, and shipped from the very same location. Exterior Compact, lightweight housing Iris is housed in a transparent 3D-printed acrylic housing that is highly compact and lightweight. Long listening sessions remain comfortable and effortless. Custom matrix mmcx connectors Campfire's custom MMCX connectors offer durable, long-lasting connection. Easily swap out your cable as needed, worry-free. Stainless steel nozzle & MMCX Capture Iris is accented with stainless steel hardware that further reinforces durability and protects the longevity of your product. Frequency response The below chart represents Fathom's relative volume levels across the frequency spectrum. Frequency response graphs are a valuable tool for getting a general sense of the tuning of an IEM, but cannot represent technical aspects of performance, like detail, timbre, soundstage, resolution, etc.