Mono Class D Digital Amplifier

The new SIGNUM SXE series is visually inspired by the successful HORIZON HXE series, but already shows with the massive connection terminals and the noble aluminum end panels that it plays a class higher. The new amplifiers are also the first choice in terms of sound: The high-quality NE5532 operation amplifiers in the input section ensure the finest resolutions over the entire frequency range and guarantee lowest distortion values. The amps were also upgraded with the high-level inputs with Auto Turn-On Function; they are equipped with the “Error Protection System” (EPS), so when connected to OEM factory radios no functions are impaired or error messages are written to the vehicle memory. All models are equipped with bandpass filters and the 1 Ω stable, high-performance Class D mono blocks offer additionally a phase controller and the master/ slave option for linking two identical amps including a very small, easy-to-install cable remote control for the bass level. Further models of the series are in planning.


  • Aluminum Heatsink with Acrylic Inlay
  • Flush-mount Diamond Cut-Logo
  • Aluminum Frames on the Endpanels
  • Massive Connection Terminals
  • Bottom Panel with sturdy Mounting Brackets


  • High Level Inputs with Error Protection System (EPS)
  • Auto Turn-On Function via High Level Inputs
  • MOSFET PWM Power Supply, 3-Way Protection Circuit
  • Master/Slave Link Mode
  • Compact Bass Remote Controller


Mono Class D Digital Amplifier

1 x 400/700/1000 Watts RMS @ 4/2/1 Ω

LPF 40-150 Hz

Subsonic 10-35 Hz

Bass Boost 0-12 dB

Phase Shift 0-180°

Dimensions 220 x 53 x 328 mm

Efficiency up to 84%

€ 249,00

Manufacturer's suggested retail price, changes and mistakes reserved.

All trademarks, trade names or brands are the property of their respective owners.