Aune IR300

The Aune IR300 is a compact single-dynamic-driver in-ear monitor that pairs a high-fidelity 10 mm driver with a genuinely flexible mechanical tuning system. Machined from metal in a small, sculpted shell, it gives listeners real control over its sound signature through interchangeable nozzles and rear chambers, no app or EQ required. A detachable cable with interchangeable plugs makes it easy to move between single-ended and balanced sources.

Type and Technology

The IR300 is an in-ear monitor built around a single 10 mm dynamic driver using a glass-silicon W-type diaphragm for clear, low-distortion output. Its standout feature is a fully mechanical, six-way tuning system: three interchangeable nozzles combined with two rear chambers (vented or sealed) yield six distinct tunings spanning vocal-forward, brighter, and more neutral presentations. This lets the listener physically adjust the sound rather than relying on digital processing.

Sound Character

The IR300 is tuned with a versatile W-shaped signature that balances musicality and technical performance across many genres. Because the tuning is user-configurable, the character can be shifted toward richer vocals, added treble energy and air, or a more neutral balance, and the vented or sealed rear chambers further adjust bass presence and stage. The single dynamic driver keeps the presentation coherent and even, with low distortion for its class.

Build and Comfort

The shells are CNC-machined from metal with a solid, creak-free feel and a small, sculpted form that sits comfortably in the ear. The IR300 uses a detachable 0.78 mm 2-pin cable and ships with interchangeable 3.5 mm and 4.4 mm plugs, so it works with both single-ended and balanced outputs. The included nozzles and rear chambers store and swap easily for on-the-fly tuning changes.

Best For

Listeners who want one affordable IEM that can be tuned to taste, and who value a metal build and balanced-source compatibility. It is efficient enough for phones and dongles but pairs happily with a dedicated amp or DAC/amp; browse options in our amplifiers collection.

What's in the Box

• Aune IR300 in-ear monitors
• Detachable 0.78 mm 2-pin cable with interchangeable 3.5 mm and 4.4 mm plugs
• Interchangeable tuning nozzles (3) and rear chambers (2)
• Ear tips
• Documentation

Note: exact tip and accessory counts may vary by region; confirm with your distributor.

Specifications

What Reviewers Say

in-Ear Fetish walks through the IR300's six-way mechanical tuning system in his hands-on video review.