Do I need an amplifier for the CDT-5800-C II?

Yes. It is a passive speaker with no built-in amp, Bluetooth or streaming, so it needs an AV receiver or amplifier rated for its 8-ohm load.

Can I aim the sound toward my couch?

Yes. Both the 8-inch woofer and the 1-inch titanium tweeter pivot, so you can angle them toward the listening area before tightening the grille.

Is one speaker enough for a room?

No. It is sold as a single unit and is meant for pairs or multi-speaker setups, such as surround or overhead channels.

What amplifier power does it need?

Klipsch rates it at 90 dB sensitivity and up to 120 W peak, so most receivers from about 50 W per channel will drive it to loud levels.

At $199 at Best Buy as of November 7, 2026, it is a fair price for an aimable 8-inch in-ceiling speaker with a titanium tweeter. Compare against other single in-ceiling speakers if you need several.

Where is the Klipsch CDT-5800-C II cheapest?

At Best Buy, for $199.00, as of our latest check.

Klipsch CDT-5800-C II

Best price now

$199.00at Best BuyObserved at 9:18 AM

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Our take on the Klipsch CDT-5800-C II

The Klipsch CDT-5800-C II is a round in-ceiling speaker with a 1-inch titanium tweeter and a pivoting 8-inch woofer, part of Klipsch's Custom Series. Its horn-loaded tweeter and aimable drivers let you point sound toward a listening area, which suits surround and whole-room setups. It is passive, so it needs an amplifier or AV receiver. At $199 at Best Buy as of November 7, 2026, it is the only new price listed, so there is no recent range to compare against.