Sony unveiled two new premium in-ear stage monitor headphones, the IER-M7 and IER-M9. Developed to monitor even musical expression with the addition of tone colour and rhythm, the two models are designed to provide the best tonal balance for monitoring your play on stage with absolute sound isolation and a stable fit to avoid the headphones falling off during a performance.

Sony IER-M7 and IER-M9

With the IER-M7 and IER-M9, even audiophiles will be able to experience first-hand this musical expression tuned for professionals.

Newly developed by Sony, the Multi Balanced Armature (BA) system allows musicians to not only feel the rhythm and pitch but also detailed nuances of their live performance. The IER-M7 and IER-M9 have the ability to reproduce tone that is true to the original sound, allowing musicians to monitor the sound balance of their own performance on stage.

Sony BA Unit for IER-M7 and IER-M9

The Sony-developed BA unit features two major structures, a direct drive structure, and a T-shaped armature. The direct drive structure which sees the armature efficiently drive the diaphragm directly thus delivering oscillation of the armature linearly while the T-shaped armature has a symmetrical vertical motion delivering a linear response. These two structures together provide the high definition sound required for monitor use.

Sony IER-M9 Magnesium Inner Housing

A magnesium alloy inner housing holds the BA units firmly in place and eliminates unnecessary vibration for low distortion and resonance to deliver crystal clear sound without compromise.

Sony IER-MM9 Sound Path

Both the IER-M7 and IER-M9 has an outer housing moulded sound path. The sound path realises ideal frequency response with its short and wide sound path that suppress peaky acoustic resonance. Sony’s dedicated audio grade film capacitors for crossover network circuits are used in the IER-M7 and IER-M9 to deliver a refined sound with low distortion.

Referencing the accumulated ear shape database collected over decades of research, the outer housing shape is designed for isolating noise and stable fit. For optimal sound isolation, the housing has a firmly closed noise blocking structure that shuts out external sounds from the eardrum. 13 variations of ear tips (six variations of triple comfort ear tips and seven variations of hybrid ear tips) and pre-formed ear hangers hold the headphones firmly.

The IER-M7 In-Ear Monitor Headphones

Sony IER-M7

Promising a sound that improves the performance of musicians, the IER-M7 features Quad BA system, a magnesium alloy inner housing, a brass sound path, and high-quality network circuits.

The IER-M7 is equipped with two 1.2m Silver-coated Oxygen-Free Copper (OFC) cables which features natural silk thread as an insulator and damper against vibration and touch noise and terminated with L-shaped non-magnetic gold-plated 4.4mm balanced plug and 3.5mm single-ended plugs to ensure that the natural flow of music and clean sound.

Standard accessories include:

  • Two detachable cables for 4.4mm balanced plug and 3.5mm single-ended plug.
  • Triple Comfort ear tips (6 sizes):
    SS,S,MS,M,ML,L
  • Hybrid Silicone ear tips (7 sizes):
    SS,S,MS,M,ML,L,LL
  • Carrying case
  • Cable holder
  • Cleaning cloth
  • Cable clip

Priced at SGD 899. The IER-M7 will be available at selected Sony Stores, Sony Centres and Sony authorised dealers from early September 2018.

The IER-M9 In-Ear Monitor Headphones

Sony IER-M9

Seeking to allows artists to discover a new realm of musical expression by faithfully reproducing even the most subtle musical nuances while bringing out sounds for more precise monitoring. The IER-M9 features a Super Tweeter with magnesium alloy diaphragm, Penta BA system in a magnesium alloy inner housing and a housing-integrated sound path made of a light and durable magnesium alloy outer housing.

The newly-developed super tweeter in the IER-M9 features a magnesium alloy diaphragm for rigidity and high internal loss, gold-plated terminals and silver coated copper voice coil to raise the driving force of the super tweeter. These materials work in symphony to faithfully reproduce sound without losing a micro signal and ensure low distortion for rich yet clean sound, enabling the IER-M9 to offers a precise reproduction of higher order harmonics with an optimal sound design allowing the artists to discover a new realm of musical expression on their stage.

The IER-M9 is equipped with two 1.2m Silver-coated Oxygen-Free Copper (OFC) cables which features natural silk thread as an insulator and damper against vibration and touch noise and terminated with L-shaped non-magnetic gold-plated 4.4mm balanced plug and 3.5mm single-ended plugs to ensure that the natural flow of music and clean sound.

Sony IER-M9

Standard accessories include:

  • Two detachable cables for 4.4mm balanced plug and 3.5mm single-ended plug.
  • Triple Comfort ear tips (6 sizes):
    SS,S,MS,M,ML,L
  • Hybrid Silicone ear tips (7 sizes):
    SS,S,MS,M,ML,L,LL
  • Carrying case
  • Cable holder
  • Cleaning cloth
  • Cable clip

Priced at SGD 1,599. The IER-M9 will be available at selected Sony Stores, Sony Centres and Sony authorised dealers from early September 2018.

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