ULTIMA 40: Can I mount spikes on the Ultima 40 floorstanding speakers? Teufel Support September 17, 2023 10:29 Updated Yes. Use our satellite spikes for this purpose. There are already corresponding threaded holes on the underside of the speaker base plate. View spikes in the webshop Related articles Suitable feet for a Teufel product ULTIMA 40 SURROUND: What kind of speaker cables are suitable? How do I optimally set the crossover frequency? Contact Teufel Customer Service - Phone Number I have a set of working stereo speakers in storage. Can I use them again – out on the terrace, for instance – without an extra amplifier?