Wiring and frequency split options
TWFK 30017 is an extremely tiny BA driver. If you have concern on your soldering skill, please feel free to let our professionals to do it for you.
- No wire – the original drivers w/o wire. Note Knowles connected the ground pins of the 2 drivers by default
- (Original AKG K3003 design) Wired with 2*2cm OFC wires, 2 drivers (20018/30019) are connected in parallel
- (Recommend option in Knowles Spec) Wired with 2*2cm OFC wires, 30019 is serially connected with a 2.2uf capacitor firstly, and connected with 30018 in parallel. See below pic when we build the enhanced K3003 kit.
Know more about hi-end IEMs using Knowles TWFK-30017
Due to the high cost and performance, TWFK-30017 is used only in $300+ hi-end audio in-ear-monitors
FiiO Triple Driver IEM F9 PRO (Official website)
The F9 PRO utilizes a hybrid design in which each channel is composed of one dynamic and two balanced armature (BA) drivers. The 9.2mm dynamic driver is specifically tuned to produce bottomless lows while the two BA drivers utilizing the American brand knowles’ 30017, which precisely portray extended upper-mids and highs. The Knowles dual balanced armature TWFK-30017-000 gives the F9 Pro immense capabilities in resolving every last detail, all in a truly powerful and overwhelming presentation of your music – the way it was meant to be heard.
The K 3003 headphones provide pure listening enjoyment for the audiophile with the highest standards for sound quality. The earphones combine high sound quality, premium-quality materials, state-of-the-art technology and unique, personalized sound tuning. The K 3003 earphones set a new benchmark in audio quality. By pioneering the hybrid of one dynamic and two balanced-armature drivers in each earphone, AKG engineers have created perfectly balanced 3-way earphones with ultralow distortion, accurate mids and crystal-clear highs.
Forsteni by Oriolus (Official website)
Forsteni is the second product of earphone from brand “Oriolus”. 2 balanced armature drivers + 1 dynamic driver makes the sound clear and beautiful. PW audio No.5 cable is the official cable for Forsteni which made by the high quality 7n OCC that is often used in many Hi-end audio products.
Spec of Knowles TWFK-30017
- Compact size: 0.081cc
- Appreciable output power: 112dB nominal, 129dB maximum
- Two-terminal zero-bias andthree-terminal center-tapped configurations.
- Undamped, screen damped, internallydamped, and FerrofluidTM damped responses with 2dB, 4dB or 6dB peak amplitude.
- Numerous port locations.
- Wide range of coil impedances.
- Available with Ferrofluid TM technology for screenless damping and improved shock performance.