Audio system HX80.4 HX-Series 4-channel high-end amplifier HX 80.4

The amplifier, dynamic, smart, fast and clear.
Sonically a bargain, they play a league higher than the price tag suggests.

The Car & Hifi subtitled "final stage fireworks" during the autohifi believes in the new "superpower."
The ultimate successor to the traditional STEG amp is now available, thus keeping some ready for any high-end friends. The noble piece, equipped with ample features from processed knotless brushed metal, surrounded by a shiny chrome bar with chic rounding can be seen.
But not only outside "wow", and inside the upper class quality is omnipresent: a thick Kuperfplatine, chromed metal covers for transformer and choke coupled with thick wires, which run along gallantly under the board.

The sound of the HX-end stage, a sensation: dynamic, smart, fast and clear.

With 2 x 1040 watts, the HX reached 260.2 compared to a brute power, which costs this masterpiece on the market.

A stabilized power supply, a high SNR and THD specs promise excellent listening deluxe class.

In a nutshell: ACCESS AND ENJOY!

+ Power until you drop
+ Very well made with quality components
+ Filter can be circumvented
HIGH-END + extremely dynamic sound


The new HX-12 and HX10 PHASE PHASE subwoofer stand for uncompromising HIGH-END application. They are the logical development of the SQ Wooferserie HX, which has caused in recent years been a sensation in tests and competitions. With an incredible dynamic, coupled with an excellent efficiency will continue this "Made in Germany" subwoofer Sound Quality The success story of our HX-Line.

HX 80.4
HX SERIES 4-channel


HIGH END 4-channel high power amplifier with full MOSFET technology. Burr-Brown amplifier. 1 ohm stereo / 20ohms mono stable, real "direct in" (RDI), variable temperature-dependent fan control, more efficient analog amplifier, high efficiency, variable phase shift from 0-360 °, elegant design, subsonic filter, efficient security system (MWPC), extremely far-reaching input sensitivity of 0.2 to 12 V
4 x 80 watts RMS @ 4 ohms stereo
4 x 150 Watts RMS @ 2 ohms stereo
4 x 250 Watts RMS @ 1 Ohm Stereo
2x 300 watts RMS @ 4 ohms mono
2 x 500 Watts RMS @ 2 Ohm Mono
Dimensions: 416 (L) x 240 (W) x 56 (H) mm


HIGH-END analog amplifier with brutal power
Low-pass (60 - 120 Hz)
High-pass (60 - 120 Hz)
Slope for LP 12/24 db / octave
Eingangempflindlichkeit 0.2 to 8 volts
Direct Input
Filter plug-in card can be defined by
Remote for level or phase
(HX RTC sold separately)
Phase 0 - 360 degrees in vocal range

1 ohm stereo / 2 ohm mono stable
RCA output
Mono-/Stereo-Betrieb possible
Automatic switching in the high level input
High level input possible
internal fuse and LED indicator
very high quality components
temperature-dependent fan control
with several fans optional expandable
stabilized power supply