
The Story
🎧 7Hz Elua Ultra Dual Dynamic Drivers IEM – High-Resolution Sound Meets Supreme Comfort

Discover the perfect harmony of precision engineering and premium listening with the 7Hz Elua Ultra. Designed for audiophiles, gamers, and music lovers alike, this dual dynamic driver IEM combines cutting-edge acoustics with ergonomic comfort, offering an immersive and fatigue-free listening experience.
🔊 Dual Dynamic Drivers for Detailed, Powerful Sound
At the heart of the Elua Ultra are two custom dynamic drivers—10 mm and 8 mm—featuring LCP (Liquid Crystal Polymer) composite diaphragms, N52 magnets, and high-quality Japanese voice coils. Together, they deliver deep bass, clear mids, and sparkling highs across a wide frequency range with low distortion and high resolution.
🎵 Three-Layer LCP Diaphragm for Audiophile Tuning
A meticulously engineered three-layer LCP diaphragm—with a rigid dome and flexible suspension ring—minimizes resonance and enhances sound clarity. Tuned to perfection by seasoned engineers, the Elua Ultra delivers a smooth, balanced, and natural tonality.

🎧 Ergonomic Fit for All-Day Listening
Each earbud is crafted with precision polishing and ergonomic design, ensuring a secure, comfortable fit that stays in place—even during long listening sessions. Ideal for studio use, commutes, or marathon gaming.
🔄 Premium Detachable OCC Copper Cable
The Elua Ultra includes a 0.78 mm 2-pin high-purity OCC copper cable, delivering excellent signal integrity, channel separation, and durability. The detachable design allows for future cable upgrades or easy replacements.

🎯 Tuned to the HARMAN Target Curve
Engineered to meet the industry-renowned HARMAN target curve, the Elua Ultra ensures natural imaging, engaging dynamics, and an accurate, immersive soundstage—perfectly suited for critical listening or immersive gaming.
📦 What’s in the Box
-
1 × 7Hz Elua Ultra IEM
-
Premium 2-Pin Cable
-
User Manual

📊 Technical Specifications
| Specification | Details |
|---|---|
| Model | 7Hz Elua Ultra |
| Impedance | 19 Ω |
| Sensitivity | 108 dB/V @ 1 kHz |
| Frequency Response | 10 – 20,000 Hz |
| THD | < 0.5% @ 1 kHz |
| Driver Type | Dual Dynamic Drivers |
| Driver Sizes | 10 mm + 8 mm |
| Diaphragm Material | Three-layer LCP Composite |
| Connector | 0.78 mm 2-pin |
| Cable Type | High-purity OCC copper |
AUDIOCULAR SPARK Hi-Res Portable DAC Dongle (CX31993 + MAX Amp)

Experience Studio-Grade Audio Anywhere
The AUDIOCULAR SPARK is a premium Type-C to 3.5mm portable DAC dongle, built to transform your everyday listening into a high-fidelity experience. Powered by the flagship CX31993 DAC chip and MAX97220 amplifier, the SPARK delivers studio-quality audio with exceptional clarity, rich bass, and crisp detail—making it the ideal upgrade for audiophiles, music lovers, and gamers on the go.
Key Features
🎧 Flagship DAC + Amplifier Combo
Featuring the powerful CX31993 DAC and MAX97220 amp, SPARK offers expansive sound with dynamic lows, smooth mids, and ultra-clear highs—free from distortion or harshness.
🔊 Hi-Res Audio Support (32bit/384kHz)
Enjoy PCM 32bit/384kHz and ADC 24bit/96kHz audio decoding. With an SNR >124dB and THD+N as low as 0.000003, your audio stays pure, detailed, and immersive.
💪 High Power Output
SPARK delivers up to 63mW at 32Ω, ideal for driving IEMs and headphones between 16–32Ω. Whether you're on mobile or desktop, hear your music fully come alive.
🎵 Immersive Soundstage & Isolation
Perfect for gaming or movies, SPARK creates a wide and accurate soundstage, restoring subtle background effects while reducing external noise distractions.
🔗 Seamless Type-C to 3.5mm Compatibility
Easily connect your favorite wired headphones to smartphones, tablets, or notebooks with USB-C ports—no compromises on sound quality.
🧳 Ultra-Portable and Travel-Ready
Its compact, lightweight design fits easily in your pocket or case—ideal for commuting, working, or relaxing on the go.
🛠️ Durable & Audiophile-Grade Build
Built with 8-strand silver-plated copper wire and a gold-plated 3.5mm jack, the SPARK ensures optimal conductivity, durability, and long-term performance.
🔌 Universal Device Support
Works flawlessly with most Android phones, laptops, and tablets with Type-C ports—no driver required for plug-and-play convenience.
Specifications
-
Model: AUDIOCULAR SPARK
-
DAC Chip: CX31993
-
Amp Chip: MAX97220
-
Decoding Support: PCM 32bit/384kHz, ADC 24bit/96kHz
-
Power Output: 63mW @ 32Ω
-
Signal-to-Noise Ratio (SNR): >124dB
-
Dynamic Range (DNR): >120dB
-
THD+N: 0.000003
-
Compatibility: 16–32Ω headphones
-
Connector: USB Type-C to 3.5mm
Why Choose AUDIOCULAR SPARK?
If you're looking for a hi-res DAC dongle under budget that doesn’t compromise on build quality, sound fidelity, or power output, the AUDIOCULAR SPARK is your ideal pick. It’s a true plug-and-play solution that elevates your everyday audio into a rich and immersive sonic journey.
✅ Ideal For
-
Audiophiles & Music Enthusiasts
-
On-the-go Hi-Fi Listening
-
Mobile Gamers
-
Commuters & Remote Workers

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
🎧 7Hz Elua Ultra Dual Dynamic Drivers IEM – High-Resolution Sound Meets Supreme Comfort

Discover the perfect harmony of precision engineering and premium listening with the 7Hz Elua Ultra. Designed for audiophiles, gamers, and music lovers alike, this dual dynamic driver IEM combines cutting-edge acoustics with ergonomic comfort, offering an immersive and fatigue-free listening experience.
🔊 Dual Dynamic Drivers for Detailed, Powerful Sound
At the heart of the Elua Ultra are two custom dynamic drivers—10 mm and 8 mm—featuring LCP (Liquid Crystal Polymer) composite diaphragms, N52 magnets, and high-quality Japanese voice coils. Together, they deliver deep bass, clear mids, and sparkling highs across a wide frequency range with low distortion and high resolution.
🎵 Three-Layer LCP Diaphragm for Audiophile Tuning
A meticulously engineered three-layer LCP diaphragm—with a rigid dome and flexible suspension ring—minimizes resonance and enhances sound clarity. Tuned to perfection by seasoned engineers, the Elua Ultra delivers a smooth, balanced, and natural tonality.

🎧 Ergonomic Fit for All-Day Listening
Each earbud is crafted with precision polishing and ergonomic design, ensuring a secure, comfortable fit that stays in place—even during long listening sessions. Ideal for studio use, commutes, or marathon gaming.
🔄 Premium Detachable OCC Copper Cable
The Elua Ultra includes a 0.78 mm 2-pin high-purity OCC copper cable, delivering excellent signal integrity, channel separation, and durability. The detachable design allows for future cable upgrades or easy replacements.

🎯 Tuned to the HARMAN Target Curve
Engineered to meet the industry-renowned HARMAN target curve, the Elua Ultra ensures natural imaging, engaging dynamics, and an accurate, immersive soundstage—perfectly suited for critical listening or immersive gaming.
📦 What’s in the Box
-
1 × 7Hz Elua Ultra IEM
-
Premium 2-Pin Cable
-
User Manual

📊 Technical Specifications
| Specification | Details |
|---|---|
| Model | 7Hz Elua Ultra |
| Impedance | 19 Ω |
| Sensitivity | 108 dB/V @ 1 kHz |
| Frequency Response | 10 – 20,000 Hz |
| THD | < 0.5% @ 1 kHz |
| Driver Type | Dual Dynamic Drivers |
| Driver Sizes | 10 mm + 8 mm |
| Diaphragm Material | Three-layer LCP Composite |
| Connector | 0.78 mm 2-pin |
| Cable Type | High-purity OCC copper |
AUDIOCULAR SPARK Hi-Res Portable DAC Dongle (CX31993 + MAX Amp)

Experience Studio-Grade Audio Anywhere
The AUDIOCULAR SPARK is a premium Type-C to 3.5mm portable DAC dongle, built to transform your everyday listening into a high-fidelity experience. Powered by the flagship CX31993 DAC chip and MAX97220 amplifier, the SPARK delivers studio-quality audio with exceptional clarity, rich bass, and crisp detail—making it the ideal upgrade for audiophiles, music lovers, and gamers on the go.
Key Features
🎧 Flagship DAC + Amplifier Combo
Featuring the powerful CX31993 DAC and MAX97220 amp, SPARK offers expansive sound with dynamic lows, smooth mids, and ultra-clear highs—free from distortion or harshness.
🔊 Hi-Res Audio Support (32bit/384kHz)
Enjoy PCM 32bit/384kHz and ADC 24bit/96kHz audio decoding. With an SNR >124dB and THD+N as low as 0.000003, your audio stays pure, detailed, and immersive.
💪 High Power Output
SPARK delivers up to 63mW at 32Ω, ideal for driving IEMs and headphones between 16–32Ω. Whether you're on mobile or desktop, hear your music fully come alive.
🎵 Immersive Soundstage & Isolation
Perfect for gaming or movies, SPARK creates a wide and accurate soundstage, restoring subtle background effects while reducing external noise distractions.
🔗 Seamless Type-C to 3.5mm Compatibility
Easily connect your favorite wired headphones to smartphones, tablets, or notebooks with USB-C ports—no compromises on sound quality.
🧳 Ultra-Portable and Travel-Ready
Its compact, lightweight design fits easily in your pocket or case—ideal for commuting, working, or relaxing on the go.
🛠️ Durable & Audiophile-Grade Build
Built with 8-strand silver-plated copper wire and a gold-plated 3.5mm jack, the SPARK ensures optimal conductivity, durability, and long-term performance.
🔌 Universal Device Support
Works flawlessly with most Android phones, laptops, and tablets with Type-C ports—no driver required for plug-and-play convenience.
Specifications
-
Model: AUDIOCULAR SPARK
-
DAC Chip: CX31993
-
Amp Chip: MAX97220
-
Decoding Support: PCM 32bit/384kHz, ADC 24bit/96kHz
-
Power Output: 63mW @ 32Ω
-
Signal-to-Noise Ratio (SNR): >124dB
-
Dynamic Range (DNR): >120dB
-
THD+N: 0.000003
-
Compatibility: 16–32Ω headphones
-
Connector: USB Type-C to 3.5mm
Why Choose AUDIOCULAR SPARK?
If you're looking for a hi-res DAC dongle under budget that doesn’t compromise on build quality, sound fidelity, or power output, the AUDIOCULAR SPARK is your ideal pick. It’s a true plug-and-play solution that elevates your everyday audio into a rich and immersive sonic journey.
✅ Ideal For
-
Audiophiles & Music Enthusiasts
-
On-the-go Hi-Fi Listening
-
Mobile Gamers
-
Commuters & Remote Workers























