Bookshelf Speakers — Devialet Phantom Ultimate CI 108

The Phantom Ultimate CI 108 is a fully active bookshelf loudspeaker from Devialet, a custom-installation variant sharing the Phantom Ultimate 108 dB's staggering internal amplification. The Phantom Ultimate CI 108 brings Devialet's most accomplished current engineering to a custom-installation-oriented active loudspeaker format.

Key specs that matter

Rated response spans an exceptionally deep 14Hz to 35,000Hz within plus-or-minus 3dB, matching the standard Phantom Ultimate 108 dB. Internal amplification delivers a staggering 1,100W, also matching. The CI designation suggests a specific custom-installation cosmetic or mounting treatment differentiating it from the standard retail Phantom Ultimate 108 dB.

Sound and use context

Expect extraordinary dynamic scale reflecting the exceptional 14Hz reach combined with the staggering 1,100W amplification, matching the standard Phantom Ultimate 108 dB's flagship-tier active engineering ambition within this custom-installation-oriented variant.

Pairing

As a fully active design, the Phantom Ultimate CI 108 requires no external power amplifier, connecting directly to a source component or preamplifier with line-level or wireless streaming input.

Alternatives

Devialet's own standard Phantom Ultimate 108 dB offers the retail-oriented counterpart within the same broader catalogue.