Product 製品紹介

Φ4.4mm plug Model

Discontinued

TTR corporation




Φ2.5mm plug Model

Discontinued

TTR corporation




Co-Donguri Balance
Φ4.4mm  plug Model Φ2.5mm  plug Model
Element Φ10 mm dynamic type
Acoustic technology Tornado equalizer、Closed type
Sensitivity 106 dBSPL /mW
Frequency response 5 Hz ~ 40 kHz (Hi Res Compatible)
Maximum input 200 mW
Impedance 18 Ω
Mass Approx24 g Approx22 g
Cord L type gold plating
5 pole Φ4.4 mm balanced plug
L type gold plating
4 pole Φ2.5 mm balanced plug
Cord OFC wire 1.2m(Y-type)
Supplied accessories

silicone ear tips final Etype S / M / L size(M size is attached to the main body), Manual and warranty card.

*Product specifications are subject to change without notice.


■Brass front cabinet

By adopting brass material of high specific gravity metal, plays clear and solid bass sound by suppressing the resonance within earphone cabinet.

■2WAYS fitting

Design for both standard and hanging fitting; compatible for different scenes.

Standard fitting: Casual and normal usage.

Ear hanging fitting: Best for active movement and reducing touch noise.


■Tornado equalizer

Ocharaku’s patented acoustic technology “Tornado Equalizer Circuit” (*1) suppresses the sound deterioration factor of resonance around 6kHz which generally occurs on canal earphones.

*1 Tornado Equalizer Circuit is Ocharaku’s patented acoustic technolog
y(JP PAT.No.4681698, US PAT.No.8885865, EP PAT.No.2461602, CN PAT.No.2067980)

■Spiral grooving surface cable

OFC litz wire & quadruple conductor cable. Less tangling by spiral grooving surface cable.



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