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With a Penta Balanced Armature system including magnesium super tweeter, integrated magnesium inner housing and an optimized sound path, these stage monitor headphones faithfully reproduce even the most subtle sounds and emotions.
For clean high notes, natural tones, and the pure emotion behind every performance, the IER-M9 has a Penta BA system including a magnesium super tweeter. Sony's original T-shaped Balanced Armature directly drives the diaphragm for more linear motion, and clean, faithful high notes.
The IER-M9 super tweeter diaphragm is made of lightweight and rigid magnesium alloy to deliver the fast dynamic transient of performance. The unique BA unit design also benefits from extremely low resonance thanks to high internal loss. Internal wiring is upgraded with a new silver-coated copper voice coil and gold-plated terminals, faithfully reproducing sound without sacrificing even micro signals so pitch, harmonics, and emotion are portrayed.
Our custom audio grade film capacitor in the cross-over circuit delivers much lower distortion. The audio grade capacitor of the IER-M9 delivers fine detail sound. Plus, audio grade solder also helps minimize any loss in signal path.
With an integrated magnesium inner housing and optimized sound paths, the IER-M9 headphones deliver balanced tones and every nuance of your performance.
A highly rigid housing keeps the BA units firmly in place, helping to eliminate vibration and keeping sound clear without losing even the most minute detail in your sound.
A wide and short sound path made of magnesium alloy reduces frequency peaks and dips, to give a monitor sound you can rely on for critical listening accuracy.
Silver-coated oxygen-free copper cables, a natural silk braid cable insulator with non-magnetic undercoat plug and a 0.17" standard balanced connection cable give less sound degradation, finer detail, and faithfully reproduced musical expression.
A 0.17" standard balanced connection cable separates left and right sound signals completely, which minimizes cross-talk that results in sound deterioration.
Silver-coated, oxygen-free copper wire minimizes resistance and signal-transmission loss. The result is less sound degradation, finer detail, and smoother treble sounds.
Vibration is absorbed by the silk braid cable insulator to minimize rustling when the cord is touched. A gold-plated plug with non-magnetic undercoat preserves signal purity.
The cable can be replaced if needed, or to fine-tune your monitor sound through a different cable.
The IER-M9 in-ear stage monitor headphones are designed to stay firmly in place so you can capture all the emotions you express in every performance.
The IER-M9 stably fit your ears thanks to the universally shaped ear hanger, which is easy to position even in the dark.
Six triple comfort and seven hybrid silicon earbuds let you find a snug fit for all kinds of ear shape. Combining hard silicone rubber and specially developed formed silicone, they perfectly match sound with stability and are comfortable to wear for long periods of time.
These in-ear headphones are designed for hard-wearing durability against knocks or accidents.
The IER-M9 are designed to stay firmly in place with a snug fit for all ear sizes. With a firm fit and optimal housing shape, each earbud stays in the right position, even while moving on stage.
Discover a new realm of musical expression, in the studio and on the stage with IER-M9 In-ear monitor headphones designed for musicians. With 5x unique Balanced Armature drivers from Sony, including a magnesium diaphragm and gold-plated terminals, every musical nuance is authentically reproduced.
|Weight||Approx. 0.39 oz|
|Headphone Type||Closed, Penta Balanced Armature|
|Driver Unit||Penta Balanced Armature|
|Impedance (Ohm)||20 ohms (at 1 kHz)|
|Frequency Response||5–40,000 Hz|
|Sensitivities (DB/MW)||103 dB / mW|
|Cord Length||Approx. 3.94 ft, silver-coated OFC strands, ear hanger, L-shaped gold-plated stereo mini plug, Approx. 3.94 ft, silver-coated OFC strands, ear hanger, L-shaped gold-plated balanced standard plug|
|Plug||L-shaped gold-plated stereo mini plug, L-shaped gold-plated balanced standard plug|
|Triple Comfort Ear Buds||SS, S, MS, M, ML, L|
|Hybrid Silicone Ear Buds||SS, S, MS, M, ML, L, LL|
|Frequency Response||5 Hz–40,000 Hz|
|Cord Length (Ft)||3.94|