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Adastra SL6 - 6.5 inch 40W In-Ceiling Speakers, 8 Ohms (Sold in Pairs)

by Adastra
£54.99 (inc. VAT)
SKU 952.548

Adastra SL6 in-ceiling speakers

Adastra SL6 Ceiling Speakers, 6.5 inch in size and with a power rating of 40W rms at 8 Ohm (Sold in pairs)

With a quick and neat installation and a sleek edge profile, they are perfect for background music systems in restaurants, shops, care homes, and offices etc. 

A high-grade ceiling speaker featuring a hi-flex polypropylene cone main driver for extended low frequency response, and a mylar tweeter unit for accurate HF reproduction. A flared wave-guide baffle helps to aid dispersion for wider coverage, and a precision 2-way filter network gives accurate high-low separation. The twist-fit grille enables quick and neat installation resulting in a premium quality sound delivery system.

Key Features:

  • Efficient 2-way crossover network

  • Gold-plated spring terminals

  • Sleek, understated profile

  • Flared baffle for wide dispersion

  • 3-way "dog-ear" mounts for quick installation

  • Supplied in pairs x2

View the Adastra range of products HERE

See SPECIFICATION tab for technical specs


Adastra SL6, 6.5 inch, 40W rms, 8 Omh

Tweeter: 12mmØ (0.5") mylar dome
Impedance: 8 ohms
Dispersion angle: 160°
Crossover frequency: 4.5kHz
Size: 165mm (6.5") Pair
Woofer: 165mmØ (6.5") PP cone
Frequency response: 40Hz - 20kHz
Power (RMS): 40W
Cutout: 204mmØ
Mounting depth: 102mm
SPL @ 1W/1m: 89dB
Dimensions (each ): 102 x 232mmØ
Weight (each): 1.5kg