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Adastra C6S 6.5 inch 25w rms, 8 ohms Ceiling Speaker - Featuring dual dome tweeters and a dual voice coil

by Adastra
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£20.95 (inc. VAT)

This 8 ohm 6.5" (16.5cm) Adastra C6S ceiling speaker is the ideal solution into ANY small installation such as a shop, cafe, home etc.

Thanks to the dual tweeter design this speaker gives you a very wide angle of dispersion ensuring excellent sound reproduction throughout the whole room.


  • 'Dog-ear' mounts for easy and quick installation
  • Dual mylar dome tweeters for separation and clarity
  • Dual voice coil polypropylene woofer with rubber surround
  • Gold-plated spring terminals
  • White ABS frame with steel grille
  • Ideal for installation into small rooms

Here is an Inta-Audio recommended setup...

1 x QTX Digital Stereo Amplifier

2 x Adastra 6.5" 8ohm 2-Way Ceiling Speakers

1 x 25m AudioKraft Speaker Cable/Wire



Model: C6S

Woofer: 165mmØ (6.5")

Tweeter: 2 x 13mmØ (0.5")

Frequency response: 70Hz - 20kHz

Power max.: 50W + 50W

Power rms: 25W + 25W

Cutout: 193mmØ

Impedance: 2 x 8 ohms

Dispersion angle: 160°

Mounting depth: 76mm

Sensitivity: @ 1W/1m 82dB (±2dB)

Dimensions: 86 x 227mmØ

Weight: 1.4kg