Alsa
The Pinnacle of Quad-Hybrid Innovation
 
💎 14-Driver Quad-Hybrid Architecture
 
Alsa pushes the boundaries of in-ear monitor design with a proprietary 14-driver configuration, delivering unmatched clarity, depth, and realism across the frequency spectrum.
 
Driver Setup:
2x 8mm PU+LCP Patented Dynamic Drivers – Deep, controlled bass
2x Sonion 37AAX007 Bone Conduction Drivers – Tactile mid-bass texture
4x Custom Balanced Armature Drivers – Rich, transparent mids
2x Sonion E50DT0005/D Balanced Armature Drivers – Airy, extended highs
1x Sonion EST65QB02 Electrostatic Tweeters – Ultra-high precision and shimmer
 
Precision Five-Way Crossover

A dedicated crossover system manages frequency distribution cleanly across ultra-low, low, mid, high, and ultra-high ranges—eliminating overlap and ensuring pinpoint clarity, low distortion, and stunning transparency.
 
🔊 Bass, Reimagined
 
Dual 8mm Patented Dynamic Drivers
 
AüR Audio’s signature Dual 8mm PU+LCP subwoofers lie at the core of Alsa’s sound—delivering:
 
Fast transient response
Controlled low-frequency energy
Natural midrange integration
Exceptionally low harmonic distortion
 
A rich, musical bass foundation with authority and nuance—anchoring every track with effortless control.
 
🌐 Next-Gen Bone Conduction
Dual High-Mass Bone Conductors by Sonion
 
Alsa features a revolutionary dual high-efficiency bone conduction system, pushing the limits of immersion:
 
Expands vibrational bandwidth
Unlocks depth, dimension, and realism
Enhances not just bass, but the entire spectrum
 
These drivers allow you to feel the music, not just hear it—delivering a listening experience that’s visceral, dynamic, and emotionally resonant.
 
🎙 Midrange Artistry
 
4 Custom Balanced Armature Drivers
Specially tuned for mid and upper-mids, these bespoke BA drivers deliver:
Lifelike vocal clarity
Organic tonality
Silky articulation with no harshness
 
Each note feels authentic and expressive, with a midrange that’s fluid and full of character.
 
✨ Sparkling Highs
 
2 Sonion Balanced Armature Tweeters
Precision-tuned to extend the treble response, these drivers bring:
Shimmering brilliance
Delicate air
Ultra-low distortion
 
Expect incredible micro-detail and separation that brings out the soul of your music.
 
🌀 Treble Without Limits
Quad Sonion Electrostatic Tweeters
 
Alsa’s 4 electrostatic drivers redefine ultra-high frequency performance:
Feather-light membranes for speed and accuracy
Crisp, effortless extension
Unmatched spatial layering
 
The result is a three-dimensional, airy top end with stunning detail retrieval and effortless brilliance.
 
🎧 Hear What You've Been Missing
 
Alsa is the culmination of years of acoustic research and tuning mastery—a no-compromise flagship IEM that delivers everything audiophiles have dreamed of.
 
Balanced, dynamic, textured, and endlessly engaging—it’s a technical marvel that speaks with musical soul.
 
🎶 Experience the Magic of Alsa
 
Words can only go so far.
To understand the precision, depth, and emotion Alsa delivers, you have to hear it.
 
Alsa isn’t just another IEM—it’s a milestone.
 
🛠 Tech Specs (Summary)
 
Component
Details
Driver Count
 14 drivers (Quad-Hybrid)
Dynamic Drivers
 2x 8mm Dual Subwoofer PU+LCP 
Bone Conduction
 2x Sonion High-Mass BC
Balanced Armatures
 4x Custom BA (mids), 2x Sonion BA (highs)
Electrostatic
 1x Sonion 4 EST tweeters
Crossover
 5-way passive design
Impedance / Sensitivity
 Frequency Response: 20Hz – 70kHz
 Impedance: 15Ω@1KHz
 Sensitivity: 102dB/mW@1KHz
 Total Harmonic Distortion: <1% @ 1KHz
Connector
 2-pin
Shell Material
 3D Resin