Since too many orders worldwide before holiday QSA have reached the production limit, QSA has decided to suspend accepting new orders for a few days in order to process the previous orders. The qsa technology process is manual processing and production. The production process is complicated and the daily output is limited. The more serious it affects the delivery date, QSA team hereby announce , So the user can only wait patiently, please understand, at present QSA team can only try their best to complete the order before the holiday, and wish user all a happy New Year and Christmas.
Qsa horn sound fuse product (Dark green)
Imitate the sound style of a large horn system
,retains the benefits of horn sound ,the vocals are full of tone, eliminates the drawbacks of horn speakers for perfect reproduction.
silver fuse us5000 and socket us2500/5000 dual gang,production lead time 3 to 10days
Qsa team research 22years to find the relation between science data and music.
qsa know science data and music relation during 22years R&D.比愛因斯坦mc2
Metal molecular activation technology
is to increases the number of electron flows
per second of the conductor technology,much lower background noise.
Musical Metal molecule Alignment Technology
music playback in musical way.
music become so live, it’s so lively, and there is magic to listen to one song after another.
This kind of magic has never been seen before.
3 SDCT (used in silver series)
Skin Deep Compensation Technology.
By compensation the effective depth of penetration of an electromagnetic wave Any type of vaccum tube can apply
from black to silver grade
QSA technology apply to tube and furutech sockets products
TO max the performance