Avantgarde Acoustic - ZERO 1 XD


More integrated, compact and simple and yet a veritable horn loudspeaker—to the very last decibel. The ZERO 1 is a dream come true — one that we have shared with many music lovers for over twenty years. Though fascinated, moved and amazed by our larger acoustic transducers we have always longed for a more compact horn loudspeaker to make the incomparable experience of Avantgarde Acoustic accessible to a wider audience of audio enthusiasts. The ZERO 1 opens up this new road with a revolutionary size simplified shape hassle-free setup and fully integrated processor and amplifier technology.

The System
ZERO 1 XD Produktübersicht



  • 3-way active system
  • 400 W Class-D + 2 x 50 Watt Class A/AB
  • FPGA-based FIR filter programming
  • 5 digital + 1 analog input
  • Remote control for input and volume
  • 104 dB efficiency midrange and tweeter
  • 130 mm spherical tweeter horn
  • 400 mm spherical midrange horn
  • 12 inch bass driver
Midrange driver
ZERO 1 XD Produktübersicht


Horn type Spherical horn
Horn material PUR, molded
Horn finish matt lacquered
Horn dispersion angle 180 degrees
horn mouth area 0.126 sqm
horn diameter 190 mm
horn length 280 mm
CDC (Controlled Dispersion Characteristic) yes


membrane diameter 125 mm
membrane material ladled paper
magnet material Ferrite
Tweeter driver
ZERO 1 XD Produktübersicht


Horn type Spherical horn
Horn material PUR, molded
Horn finish matt lacquered
Horn dispersion angle 180 degrees
Horn area 0.013 sqm
Horn diameter 130 mm
Horn length 77 mm


Membrane diameter 25 mm
Membrane material Mylar
Magnet material Ferrite
Subwoofer driver
ZERO 1 XD Produktübersicht


Driver diameter 300 mm/12“
Membrane material impregnated paper
Magnet material Ferrite
Drivers per subwoofer 1
Subwoofer amplifier
ZERO 1 XD Produktübersicht

Subwoofer amplifier

Master/Slave system yes, channels assignable via software
Master/Slave link Wireless (2.4 Ghz)/Wire-Link
Amplifier power bass (RMS) 400 Watt, Class-D
Amplifier power mid/high 2 x 50 Watt (Class A/A-B)
Digital inputs 5 (AES, Toslink, 2 x SPDIF, USB)
Analog input 1 pair XLR sockets
Active crossover Pre-pogrammed via FPGA
EQ filters Programmable via FPGA
Programmable via USB yes
Remote control included yes
Mechanical construction
ZERO 1 XD Produktübersicht


Foot frame massive steel, chrome plated, adjustable
Cabinet Reinforced construction from casted PUR
Subwoofer front cover Detachable cloth cover
Operation indicator LED at cabinet logo panel
Subwoofer rear cover PUR plate, magnetic fixation

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Avantgarde Acoustic ZERO 1 XD

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Purity meets Performance

The question will come. At the latest at the sight of a DUO GROSSO in "Tourmaline Vivid Black". Or a TRIO CLASSICO with BASSHORN. Perhaps also when reading enthusiastic expressions from customers and experts. What's so special about Avantgarde Acoustic?

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Horn Technology

Our horn speakers stand for a timeless idea. The horn as an acoustic principle is the leading motif, the implementation in modern, high-quality products the great challenge.

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The Avantgarde Acoustic Showroom


Horn Technology

More than 100 years ago, Emil Berliner was the first to present his gramophone to the public. The horn funnel reinforced the mechanical vibrations of the needle in the record groove, making it audible for the human ear.

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