Manufacturer of high-end crossover components for passive loudspeakers.

We offer the broadest selection of coils for passive loudspeakers on the market.

You will also find a selection of both budget and high-end capacitors, along with resistors and other audio accessories for loudspeaker construction on our site.

In the ‘DIY Speaker Kits’ section, we sell complete loudspeaker kits, designed by independent Danish loudspeaker designer Troels Gravesen.

For all kits with SEAS drivers, we offer complete kits including SEAS drivers, available directly from Jantzen Audio.

On selected kits using ScanSpeak drivers, we have entered into a unique Danish joint-venture between ScanSpeak, Troels Gravesen and Jantzen Audio, to offer complete kits including ScanSpeak drivers, available directly through Jantzen Audio.