Astell&Kern Angie II in-Ear Monitors by Jerry Harvey Audio – 8 Drivers per Channel, 4th Order Crossover, and Full Metal…

AngieⅡ by Jerry Harvey Audio: The world’s leading creator custom earphonesm Jerry Harvey Audio, collaborates with Astell&Kern The Siren Series Universal fit IEMs plus Astell&Kern Playback allows you to hear the music how the Recording Artist and Mix Engineer intended.
The third offering in the Siren Series is aptly named after the Rolling Stones song Angie. Written by Mick Jagger and Keith Richards and recorded in November and December 1972, Angie is an acoustic-guitar-driven ballad, which tells of the end of a romance. Richards, who wrote almost all the music and lyrics for the song, claimed in his autobiography that the name Angie was a pseudonym for heroin, and that the song was about his attempt to quit using it while detoxing in Switzerland. Full Metal Jacket
Each Body, Cap and Sound bore are machined from one Solid Block of Aluminum with Carbon Fiber Logo Plate insert. All new proprietary Driver designs
This series of IEM’s 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 driver is perfectly flat from 10Hz to 5kHz. Low driver designed for steeper low pass and with virtually no distortion. SoundrIVe Technology (Quad Driver Technology)
Angie Ⅱ was equipped with soundrIVe Technology, using Jerry Harvey Audio’s proprietary quad drivers. 8 drivers [Dual Low, Dual Mid, Quad High] configuration that offers the widest frequency range you’ll ever hear. FreqPhase Technology / Stainless Steel Tube Waveguide
FreqPhase corrects Time and Phase of multiple Drivers. The Waveguide ensures each driver signal arrives within 0.01 milliseconds, resulting in a Phase coherent IEM.

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Custom-made Proprietary Dual low, Dual Mid, Quad High balanced armature drivers per side (8 drivers per side),
Variable bass output, adjustable from cable : user controlled low frequency drivers with the adjustable bass (0 – +10dB), Frequency ranges from flat bass response up to +10dB (10Hz to 100Hz)
Integrated 4th Order crossover and Triple Bore with Stainless Steel Tubing, Noise Isolation up to -26dB
Includes both 3.5mm unbalanced and 2.5mm balanced cables by Moon Audio