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  • 7th Acoustics Asteria

7th Acoustics Asteria

1DD + 12BA Hybrid Flagship In-Ear Monitors

  • Bespoke 10mm Double Vented, High Magnetic Flux Dynamic Driver with BalanceFlow Vent Technology
  • 12 Knowles’s Next Gen Balanced Armature Drivers
  • EXP (Extreme Xover Performance): 5-way Crossover
  • ECHO (Enhanced Clarity Horn Outlet): Supertweeter Tube
  • LYRA: Bespoke Pure Silver Cable Terminated in 4.4mm
  • Fully 3D-printed Individual Acoustic Tube
  • Internal Vent for Pressure Relief
  • Radial Bass Port
  • Medical Grade Resin and Ceramic-Coated Aluminium 7075 Shell with Blue Morpho Wing Inlay
  • Scratch-Resistant Tempered Glass Faceplate
  • Top-Of-The-Line Internal Components, Wiring, and Solder Tin
Regular price £3,299.00
Sale price £3,299.00 Regular price
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    7th Acoustics Asteria

    7th Acoustics Asteria

    Regular price £3,299.00
    Sale price £3,299.00 Regular price
    Unit price

    Introduction

    An Exquisite Sonic Odyssey

    The Asteria is the flagship in-ear monitoring earphones from 7th Acoustics, the culmination of two years of experimentation and research into the science and art of audio technology.
    With a no-holds-barred approach in aesthetics and engineering design, the Asteria features a custom 1 dynamic driver with BalanceFlow vent and 12 ultra-low distortion, next generation Knowles balanced armatures.

    The housing features a medical-grade resin inner shell and a CNC aeronautics-grade 7075 aluminium outer shell with ceramic coating finish. Each unit’s faceplate comes with an iridescent blue morpho wing inlay, making each piece truly unique.

    Asteria's Sound

    With our uncompromising approach to tuning, Asteria aims to deliver meticulous tonal balance from one end of the frequency spectrum to the other. Aiming for an U-shaped and balanced tonality, we build up from a deep, rumbling, controlled, and textured bass with a visceral punch and zero bleed into the mids. Imagine having two subwoofers in front of you, that is what we hope to emulate with the Asteria.


    With the midrange, the Asteria delivers a clean and sweet tonality without sacrificing details. Vocals are timbrally natural and well-centered with clear positioning, regardless whether it is male or female vocals. Macro- and micro-details in the mids are finely reproduced without being overwhelming.


    Asteria’s treble is very well-extended, lively, textured, and airy; we aim to replicate the experience of listening to a speaker setup with tweeters. We designed Asteria to sustain as much energy and details in upper frequencies without harshness nor sibilance.


    The Asteria is designed not just to bring out the best in your music, but also enhances it, bringing out the hidden potential in your audio setup. You will not miss out the smallest details, all laid out in a deep soundstage with an exquisite layered presentation and accurate imaging. Asteria’s class-leading, lightning-quick transients boost the dynamic range to the extremes. On top of that, no matter what is your source, Asteria maintains a very low noise floor and clean background. Asteria delivers our ultimate sound presentation.

    EXP - Extreme Xover Performance

    EXP is 7th Acoustics in-house proprietary crossover technology, featuring a true
    higher-order crossover design to ensure perfect coherency and seamless transition between various drivers in the IEM with minimum cancellation and phase mismatch. Each group of drivers is tuned meticulously to match their phase with the previous and next group of drivers. Utilising the highest quality capacitors and resistors, EXP ensures a very low distortion and high driving efficiency without compromise.

    BalanceFlow Vent

    BalanceFlow is 7th Acoustics' proprietary approach to regulate the pressure waves generated by the dynamic driver to maximise dynamics while keeping extremely low distortion levels. The dual ports deliver superb technical performance while avoiding common pitfalls such as driver flex and pressure build-up while worn. BalanceFlow adapts dynamically to the demands of the music track, giving a detailed texture, powerful punch, and yet maintaining a tight control over the driver.

    ECHO - Enhanced Clarity Horn Outlet

    ECHO is 7th Acoustics treble acoustic technology to control and push the supertweeter capabilities to its absolute limit. Unlike a conventional acoustic tube, ECHO mimics horn loudspeakers to enhance the efficiency of the driver, especially in the higher frequency ranges. This allows the treble region to be more crisp and well-extended without sounding unnatural or shrill.

    Technical Details

    Drivers Configuration

    • 10 mm Dynamic Driver

    • 6 Balanced Armatures

    • 2 Balanced Armatures

    • 2 Balanced Armatures

    • 2 Balanced Armatures

    Internal Construction

    • 6N OCC Gold Plated Copper & Estron Silver-Plated Litz

    • Top-of-the-Line Resistor & Inductor

    • Oyaide Tin Solder

    • Spring-Loaded Gold Plated 0.78mm 2pins

    LYRA Cable Specifications

    • 4N OCC Pure Silver

    • 4-core 23.5AWG, Type 6 Concentric Litz

    • Ultrasoft PVC

    • Full Ceramic-Coated Brass

    • Proprietary Material

    • Custom Blend Tin Solder

    • Oyaide 2-pin

    • Furutech 4.4mm

    Included in the Box

    • Asteria In-Ear Monitoring Earphones

    • LYRA Cable

    • Serial Number Card, Stickers, Microfiber Cloth, IEM Cleaning Brush, 4.4mm to 3.5mm Adapter

    • Genuine Stingray Leather IEM Carrying Case & Cable Clip

    • 7th Acoustics Standard Eartips (S/M/L)
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    • Limited 1.5 Years

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