Important announcement

Sinfoni trademark transfer
Audio Oggi S.n.c.

Audio Oggi S.n.c. (previously Audio Technology S.n.c.) as creator of the brands Sinfoni (1998) and Quartorigo (2013), after negotiations, slowed by impossibility of meeting in person in 2020, sells the trademark Sinfoni and any right to use it to Dongguan HeXian Auto Audio Equipment.


Past, present and future

Sequence of events since the born of Sinfoni brand from the partnership between professionals of High Fidelity market and electronic experts with a common passion for Music.

1998

Audio Technology S.n.c. applies the registration of the trademark Sinfoni.

1998-2012

Years of growth of the brand selling in dozens of countries all over the world.

2013

Audio Oggi S.n.c. registers the trademark Quartorigo, takes over Audio Technology S.n.c. and Sinfoni Trademark.
Sinfoni becomes unused; all products out from the factory will be Quartorigo branded since this year.

2020

Audio Oggi S.n.c. sells the unused Sinfoni trademark to Dongguan HeXian Auto Audio Equipment.


What's next?

Focus

The focus of Audio Oggi S.n.c., since 2013, is still and will still be on Quartorigo brand and its development.

Third party production

On side of the agreement of sale of the Sinfoni trademark, Audio Oggi S.n.c. have produced for Dongguan HeXian Auto Audio Equipment - Sinfoni three models of amplifiers in a limited quantity, called Duomo, Duomo Plus and Sogno. Relationship of Audio Oggi S.n.c. with these three amplifiers are strictly and solely related to their production.

Vision

All efforts in research and developing are and will be targeted onto bringing the best car audio instruments available in the market.

F.A.Q. - Frequently asked questions

Q1: Do you produce also speakers for Sinfoni?
A: No. We produced only 3 models of amplifiers at the moment: Duomo, Duomo Plus and Sogno. In case we would produce anything else for Dongguan HeXian Auto Audio Equipment - Sinfoni, we will eventually update this page.
Q2: Can I purchase Sinfoni amplifier from you?
A: No. We manufacture for Sinfoni what mentioned on Q1, we are not in any way related to distribution, marketing or after-sales service.
Q3: I have seen Sinfoni amplifiers on the market after 2013, why so?
A: After trademark Sinfoni became unused from our side, several fake amplifiers came into the market (mostly in China), these have never had any kind relation with us. Indeed, all products, both amplifiers and speakers which came out from factory have been branded Quartorigo since 2013. Any amplifier or speaker producted with the trademark Sinfoni between 2013 and 2020 is a fake.
Q4: How do I know if the amplifier or speaker I have has been made by you?
A: If you purchased through our official channels of distributors you have nothing to worry. If you would have any doubt, you can send pictures and serial number of your product to pre2013@quartorigo.com. You will receive a reply as soon as our check is complete.
Q5: Will Quartorigo continue production of current models?
A: Yes. Production never stopped, we are as well continuously planning and developing new products for you. Stay updated on our website wwww.quartorigo.com and Facebook page.
Q6: Who does the "conductor" logo belongs to?
A: The "conductor" logo is a registered trademark and belongs to Audio Oggi S.n.c., so is related to Quartorigo.
Q7: Who does Audio Oggi S.n.c. belongs to?
A: Audio Oggi S.n.c. property remains 100% Italian, no acquisition of property has been done, as for the "conductor" logo and Quartorigo trademark.