Shure Aonic 4 Sound Isolating Earphones w/ Universal Cable (Black)

Dynamic and Detailed Audio for Audiophiles

The Shure AONIC 4 Sound Isolating Earphones with Universal Cable in Black are Shure’s first dual-driver hybrid earphones, featuring a combination of a balanced armature and dynamic driver for warm, detailed sound with distinct musical separation. Designed for audiophiles, musicians, and commuters across Australia, these earphones deliver immersive audio with Sound Isolating™ technology, blocking up to 37 dB of ambient noise. The detachable 3.5mm cable and ergonomic design ensure versatility, comfort, and durability for professional and casual use.

Exceptional Hybrid Sound

The AONIC 4’s dual-driver hybrid design pairs a balanced armature for extended high-frequency detail with a dynamic driver for rich, dynamic bass, creating a unique acoustic pathway that delivers natural instrument separation and clear vocal articulation across a frequency range of 20 Hz – 19 kHz. Certified for high-resolution audio, these earphones offer a warm sound profile, though some users note a slightly recessed midrange compared to models like the AONIC 5. Sound Isolating technology eliminates distractions, making them ideal for travel, workouts, or stage monitoring without active noise cancellation. The detachable 3.5mm RMCE-UNI cable includes an inline remote and microphone for calls, voice commands, and playback control, compatible with Apple and Android devices via a standard 3.5mm jack.

Durable and Comfortable Design

The AONIC 4 features a sleek, low-profile black design with an optimized nozzle angle for long-wearing comfort and a secure over-the-ear wireform fit that keeps earphones in place during active use. The MMCX connectors allow cable swaps for wireless adapters (e.g., RMCE-TW2, sold separately) or other Shure cables for customization. The comprehensive fit kit includes soft flex sleeves (S, M, L), foam sleeves (S, M, L), triple flange sleeves, and yellow foam sleeves for a personalized fit that enhances noise isolation and bass response. A hard carrying case and 1/4” adapter are included for portability and professional use. While durable, some users report concerns about the plastic driver housing feeling flimsy, and the stock silicone cable may be less comfortable than aftermarket options like the EAC64CLS. The earphones are backed by a two-year warranty.

Key Performance Features

• Dual-Driver Hybrid Design – Balanced armature and dynamic driver for dynamic bass and high-frequency detail (20 Hz – 19 kHz)

• Sound Isolating Technology – Blocks up to 37 dB of noise for immersive listening

• Detachable 3.5mm Cable – RMCE-UNI with inline remote and mic for calls and playback control

• Secure Over-the-Ear Fit – Wireform design for stability during exercise or travel

• MMCX Compatibility – Supports wireless adapters or other Shure cables for customization

• Comprehensive Fit Kit – Multiple sleeve types for personalized comfort and isolation

• Durable Build – Engineered for professional wear with a two-year warranty

Notes

• Proper sleeve selection is critical for noise isolation and bass response; foam sleeves enhance low-end performance.

• For wireless use, pair with the Shure True Wireless Secure Fit Adapter (RMCE-TW2, sold separately) for Bluetooth 5.0 and app-based EQ customization.

• Some users report muted mids; pairing with a portable DAC/amp (e.g., Astell&Kern HB1) may enhance performance.

• The stock cable lacks a clip; consider aftermarket cables for improved comfort and management.

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