The Keystones are designed to work in most domestic listening environments (they can also be used in a professional audio studio).

The Keystone System consists of:
- 2 x Keystone Speakers
- 2 x Ochto Amplifiers
- Cardia DSP
- 4 x 8-wire SpeakOn cables (2.5m each)
- 2 x DB-25 XLR connectors (1.0m each)
- 3 x IEC power cables (2 for amplifiers, 1 for DSP)
We recommend that Keystones Speakers are placed on 700mm stands. We’ve used Atacama SL700 successfully with the Keystones.