Astell&Kern AK T9iE In-Ear Monitor Headphones (Black)

BH #ASAKT9IE • MFR #2EP009-CMBL69
Astell&Kern
Astell&Kern AK T9iE In-Ear Monitor Headphones (Black)
Key Features
  • Tuned by Beyerdynamic
  • Secure Over-Ear Fit Stays in Place
  • Natural Acoustic Sound Signature
  • 8 Hz to 48 kHz Frequency Response
Handmade in Germany, the black Astell&Kern AK T9iE are in-ear monitor headphones tuned by Beyerdynamic to deliver a natural acoustic sound signature that's optimized for Astell&Kern portable music players. With dynamic drivers, a new acoustic vent port, and a two-layer acoustic filter, the AK T9iE produces an ultrawide 8 Hz to 48 kHz frequency response with improved bass response and treble softness.
Special Order
Expected availability: 7-14 business days
$1,299.00

Astell&Kern AK T9iE In-Ear Monitor Headphones (Black)

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Astell&Kern AK T9iE Overview

  • 1Description
  • 2What's New on the AK T9iE
  • 3Natural Acoustic Sound Signature
  • 4New Acoustic Vent Port
  • 5Two-Layer Acoustic Filter
  • 6Hybrid 2.5mm Balanced Headphone Cable
  • 7Design Concept

Handmade in Germany, the black Astell&Kern AK T9iE are in-ear monitor headphones tuned by Beyerdynamic to deliver a natural acoustic sound signature that's optimized for Astell&Kern portable music players. With dynamic drivers, a new acoustic vent port, and a two-layer acoustic filter, the AK T9iE produces an ultrawide 8 Hz to 48 kHz frequency response with improved bass response and treble softness.

The ergonomic design and over-ear style ensure a secure and comfortable fit for long listening sessions. The detachable MMCX balanced headphone cable features pure silver and oxygen-free copper conductors and a 2.5mm TRRS connector, plus a 2.5mm to 3.5mm adapter is supplied for compatibility with a variety of mobile devices and computers. Also included are 10 pairs of eartips—seven silicone and three Comply foam—and a leather carrying case.

What's New on the AK T9iE

  • New acoustic vent port for improved bass response
  • Two-layer acoustic filter with integrated earwax protection
  • 4N pure silver and 7N OCC copper hybrid cable
  • 2.5mm cable with 2.5mm to 3.5mm adapter
  • Seven sizes of eartips
  • Designed by Astell&Kern and tuned by Beyerdynamic

Natural Acoustic Sound Signature

Specially tuned for Astell&Kern portable music players, the AK T9iE has a neutral sound signature with soft treble, linear midrange, and slightly elevated bass. The AK T9iE uses Beyerdynamic's patented high-efficiency Tesla Technology and is manufactured by hand in Germany.

New Acoustic Vent Port

The newly designed acoustic vent port allows for improved bass response and enhanced treble softness via a specially engineered two-layer acoustic filter with integrated earwax protection. The vent port has a slightly enlarged vent hole located in the middle of the cover plate, which allows for extended bass that remains well controlled.

Two-Layer Acoustic Filter

Different from the AK T8iE MKII, the AK T9iE utilizes a specially engineered two-layer acoustic filter in the sound outlet for two purposes—protection from earwax and production of pure and neutral treble.

Hybrid 2.5mm Balanced Headphone Cable

The same cable used for the AK T5p 2nd Generation has been utilized for the AK T9iE. It's made with 4N pure silver with silver-plated 7N OCC to deliver the highs in this combination; and the 7N OCC to bring the lows.

The hybrid construction of pure silver, silver OCC, and OCC litz creates a unique harmony—optimal balance without sharp highs or excessive bass.

Design Concept

The design of AK T9iE highlights the contrast of surfaces and shows the delicacy and details of Astell&Kern with jewel-like carved planes on the exterior housing. The illumination from the PVD coating is designed to reveal different reflections of light so that you see various shapes depending on the viewpoint. It also has an ergonomic design, making them comfortable to wear for many hours of music listening.
UPC: 821566017352

Astell&Kern AK T9iE Specs

Headphone
Earpiece DesignIn-Ear (Intra-Aural), Closed-Back
Earpiece Connection / Wearing StyleWired
Number of EarpiecesDual Earpiece
Driver TypeDynamic
Number of Drivers1, per Earpiece
Impedance16 Ohms
Active Noise CancellationNo
Performance
Frequency Response8 Hz to 48 kHz
Maximum Power Handling10 mW
Volume LimitingNone
Total Harmonic Distortion (THD)0.2%
Wired Connectivity
Audio Connector1 x 2.5 mm TRRS Male Straight
Connector PlatingGold
Adapter (Included)1/8" / 3.5 mm TRS
Cable DesignY-Type, Braided, Detachable
Audio Connector to Earpiece2 x MMCX Female
Cable Conductor MaterialOxygen-Free Copper, Braided, Silver
Physical
IP RatingNone
LED IndicatorNone
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