LX521.4 - The Reference

Exemplifies the best of 50 years of experimentation.

"The precise phantom images produced by the LX521 create the most solidly three-dimensional soundstage of any stereo system in my listening experience." (


High End DSP with 6x ncore_neg amplification

MASTER version feeds

  • LXmini /+2 and LXstudio as standalone unit or
  • LX521.4 as main unit in a MASTER-FOLLOWER tandem
  • Best for upgrading

In stock
Delivery period: 10 working days

PowerBox 4180

  • 4xy UcD180OEM power amplifiers

As MASTER Version

  • for LXmini as standalone unit
  • for LXmini+2 and LXstudio with additional woofer amplifier
  • for LX521.4 as main unit in a MASTER-FOLLOWER tandem.

In stock

High quality speaker cable

  • High quality speaker cable for easy connection between PowerBox 6pro NCore and LX521.4.
  • Stage proven 1-click speakON® connectors on PowerBox side and on LX521 side allow an error free and quick interconnect.
  • SommerCable Elephant 825 (2,5mm²) for tweeter, HiMid and LoMid signals.
  • SommerCable Elephant 440 (4,0mm²) for woofers.

In stock
Delivery period: 15 working days