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Product Descriptions
Product Descriptions
Sony IER-M9 In-Ear Monitor Earphones
Penta Balanced Armature System
The Sony IER-M9 In-Ear Monitor Earphones feature a Penta BA system in each earpiece. This includes a magnesium diaphragm super tweeter extending the high-frequency response. The configuration aims to deliver clarity and detail across a frequency range of 5 Hz to 40,000 Hz.
Magnesium Alloy Super Tweeter
A high-frequency super tweeter, constructed with a magnesium alloy diaphragm, enhances treble performance. The design supports detailed reproduction of subtle high-frequency sounds, making the IER-M9 suitable for critical listening and stage monitoring.
Low Distortion Signal Path
The IER-M9 utilizes audio-grade film capacitors within its crossover network to reduce distortion. Silver-coated oxygen-free copper cables decrease signal loss and help preserve audio fidelity from source to ear.
Detachable Cables and Flexible Connectivity
This model includes two 1.2-meter cables:
- 3.5 mm unbalanced silver-coated oxygen-free copper cable
- 4.4 mm balanced silver-coated oxygen-free copper cable
The detachable cable design supports easy replacement and an upgrade path for users seeking alternative connections or improved cable materials.
Customizable Fit and Ergonomic Build
The housing is made from lightweight magnesium alloy for durability and comfort. Thirteen ear tip options, including seven sizes of hybrid silicone tips and six sizes of triple comfort tips, allow users to achieve a secure in-ear fit and reliable noise isolation.
Engineered for Professional and Audiophile Applications
Engineered for use as stage monitors, the Sony in-ear IER-M9 earphones are also suitable for studio and high-fidelity music listening. Its neutral sound signature aims to deliver accurate audio, supporting musicians, engineers, and discerning listeners alike.
FAQ
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What is the primary application for the IER-M9?
The IER-M9 is designed for stage monitoring, studio work, and high-fidelity music listening, providing balanced and detailed audio reproduction. -
What connectivity options does the IER-M9 provide?
The earphones include two detachable cables: a 3.5 mm unbalanced cable and a 4.4 mm balanced cable. Both use silver-coated oxygen-free copper wire. -
How many ear tip options are included?
The package comes with thirteen total pairs of ear tips: seven sizes of hybrid silicone tips and six sizes of triple comfort tips. -
What is the impedance and sensitivity?
The IER-M9 has an impedance of 20 ohms at 1 kHz and a sensitivity rating of 103 dB/mW.