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Earphones

AK ROSIE

  • Astell&Kern collaborates with Jerry Harvey Audio
  • 8 BA's - 2 low, 2 mid, 4 high
  • FreqPhase Technology / Stainless Steel Tube WaveGuide
  • Full metal jacket
  • Variable bass output
  • Provided 3.5mm/2.5mm cables

S$1,399.00

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Product Details

Technical Features

Astell&Kern collaborates with Jerry Harvey Audio for the Siren Series Universal fit IEMs. This series of IEMs were designed to be used as a mastering reference tool because the high driver was designed for optimum top end extension with minimal distortion. The mid drivers are perfectly flat from 10Hz to 5kHz, and low drivers are designed for steeper low pass and with virtually no distortion.

Fourth in the line-up is the Rosie, equipped with soundrIVe Technology, this pair of IEMs use Jerry Harvey Audio's proprietary quad drivers. Featuring a 8 Balanced Armature drivers (dual low, dual mid, quad high) configuration, the Rosie offers the widest frequency range you'll ever hear. Implementing FreqPhase Technology and Stainless Steel Tube Waveguide, FreqPhase corrects time and phase of multiple drivers, while the Waveguide ensures each driver signal arrives within 0.01 milliseconds, resulting in a phase coherent IEM.

Design

The Rosie utilises a 4-pin cable connection with machined aluminium locking collar, providing a more secure and strong connection with earpiece and will also help to protect it from sweat and dust. Each body, cap and sound bore are machined from on solid block of aluminium with carbon fiber logo plate inserts.

Other Functions

Adjustable from the cable is a variable bass output. Low frequency drivers are user controlled, with an adjustable bass (0 - +15dB), frequency ranges from flat bass response up to +15dB (10Hz - 100Hz)

Specifications
Driver 8 Balanced Armature drivers
Crossover 3-way crossover - dual low, dual mid, quad high 
Frequency Range           10Hz - 23kHz
Impedance 17 ohms
Sensitivity 117dB @ 1mW 
Connector 4-pin cable connection
Terminator Unbalanced(3.5mm) / Balanced (2.5mm)
Noise Attenuation ~26dB
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