User Manual

The HD668B is a semi-open dynamic
headphones. Sound quality meets the
demanding professional record-
ing studio. Patented sturdy struction
provides long-lasting durability even in
chanllenge condition. Light weight and
optimised mechanical pressure provides
long-term wearing comfortness.
Equipped with 2 straight cables, short
one is 1 meter long for palm size sound
source on-the-move applications. Long
one is 3 meter long, for professional
monitoring applications. Inter-connect
both cables, for even more distant
requiries.
Superlux provides wide selection of
headphones: Around the ears, and
in-ear; open, semi-open, and closed.
Various sound styles for user to
choose according to their preference.
A good headphones shall:
1. Sound quality, wide and
uniform frequency respone.
2. Clearity, high sensitivity and
low distortion.
3. Comfortable, light weight and
optimised pressure, around the
ear and good head rests.
4. Sound isolation for closed
type. Provides sound isolation
for in the field application,
or in studio for fold-back
monitoring.
5. Easy to use, auto adjust to the
best wearing position.
6. Durable, even handle brutally
7. Convenience, easily change
plug adapter, easy to change
long and short cable, cable
extension capability, carrying
pouch...
Superlux design, manufacture, and
test the headphones with above
considerations. The cables can
sustained 35,000 times twisting test.
Patent head bend structure provides
very strong support, with very light
weight for wearing comfort.
Headphones
The HD669 is a closed dynamic
headphones. Sound quality meets
the demanding professional record-
ing studio. Patented sturdy struction
provides long-lasting durability even in
chanllenge condition. Light weight and
optimised mechanical pressure provides
long-term wearing comfortness. Same
cables as HD668B for convenience.
The HD681 is a semi-open headphones
with 3 sound styles: Presence, Flat, and
Bass enhanced. These sound style re-
flects different sound stage impression:
Presence sound puts the listener on the
stage as if the performers are next to
the listener. Flat sound puts the listener
at the front row, and the whole stage is
up front to the listener. Bass-enhanced
sound puts the listener in the hall as a
happy audience.
The HD381 is a in-ear style headphones.
There’re also 3 sound styles as HD681,
and HD662: Presence, Flat, and Bass
enhanced. User can easily fit himself/
herself with the sound style he/she
preferred. Not only the sound style but
also the ear plug adapter with different
sizes to fit as well.
Headphones
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