This is Sony’s high end IEM that feature 3 Balanced armature drivers and support Hi-Resolution audio which is better than typical CD quality. The package come included with a soft carrying pouch, a cable clip, a cable shortener tab and 4 eartips sizes.

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The cable is 1.2 meters long. Sony included cable shortener tab which work well for walking and if you’re shorter in height, it prevents the cable from dangling too much. The cable doesn’t touch the face in normal setup and there is a plastic tab (Y tab) that reduce the gap between 2 cable. Pull up till your chin if needed to. The cable is also detachable as you can use other cables by Sony or go wireless mode (3rd party brand).

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The control center is located on the left side which houses the microphone and the single multi-button for your call and media control. I wish they included a volume rocker, but again their focus is about minimalism. Check our video review for the microphone test.

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Sound isolation is the best as the sound tube goes deep into the ear canal blocking most of the environmental noises. The sound tube is also made out of brass metal so the sound is directed into your ears



Technical Specification

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Weight: approx. 7 g without cable
Driver Unit: Triple balanced armature
(Ohm)Impedance: 16Ω at 1kHz
Frequency Response: 5-40,000 Hz
Sensitivities (dB/mW) :101 dB/mW
Cord Type: Silver-coated OFC Litz wire, detachable, Y-type
Cord Length: Approx. 1.2 m
Plug:  L-shaped gold-plated 4-pole mini plug
Wearing Style: In-ear
Unit of Microphone: Electric condenser
Direction of In-Line Microphone: Omni directional

Audio quality

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Pop/EDM:

Tiaan – Be Ok (Low bass frequency)

Low bass frequency is superbly energetic and highly notable, you can feel the air pressure booming in your ears. It doesn’t eat into the vocals and has zero bass distortion. The subtle bass vibrations fade smoothly. Low bass frequency is well bodied. The low bass is balanced with the vocals in term of audible level.  Bass is punchy yet clean

Pia Mia – Do It Again (standard bass)

Bass is superbly energetic and highly notable you can feel the air pressure in your ears. The bass fade butter-ultra-mega-godlike-smooth with a long drag especially at the 2:05 mark, the vibrations is pure eargasm and blissful. Bass is slightly louder than vocal but very minute amount, barely noticeable. A good clear separation between the two. Bass is well bodied. EDM tones sounds alive, excited, lively and fun.

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Cable Clip and Cable Shorterner

Vocals/Instrumentals:

Violinder – Raindrops (high frequency instrumental)

The Piano/Violin tone sounds right and natural, leans closer to the crystal-clear type not the warm-sound type, I prefer crystal-clear type. It has right amount of shine at the highs, feels bright. Tone are well bodied and sound full overall.
 The bass/drums is balanced with the Piano/Violin in term of audible levels but sometime the Violin take the lead which I like it. Good separation between the good. Clearly a balanced IEM throughout the song.

Pentatonix – See Through (high frequency vocals / vocal separation)

Mitch Grassi’s hi-pitched male Tenor vocals perform very well at the highs with the right amount of shine, it feels bright and majestic. Each singer can be identified easily. Every diction and pronunciation is crystal clear. Vocal beat-boxing, echoing and humming is eargasm and does not overpower Mitch Grassi’s vocal in the song. Often Mitch Grassi’s vocal take the lead and that is great.

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Carrying Pouch

The IEM performs well from the low bass frequency up to the high frequency without breaking a sweat, it feels natural all the way, a true Hi-Resolution. Very good vocal clarity and high frequency instrumentals. It is balanced through the range and no single frequency range take the major lead thanks to the triple BA driver setups.  It justifies the price point by Sony.

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