SL Series - Slimline Ceiling Speakers

952.546UK SL4

High-grade ceiling speaker offering a premium quality sound delivery system. Quick and neat installation with sleek edge profile.

  • Minimal profile edge
  • Full range sound reproduction
  • Sleek, understated profile
  • Efficient 2-way crossover network
Description Version Packed
SL3 Slimline Ceiling Speaker 3" Pair
3" pair Box Label
SL4 Slimline Ceiling Speaker 4" Pair
4" pair Box Label
SL5 Slimline Ceiling Speaker 5.25" Pair
5.25" pair Box Label
SL6 Slimline Ceiling Speaker 6.5" Pair
6.5" pair Box Label

SL Series - Slimline Ceiling Speakers

High-grade ceiling speakers featuring a hi-flex main driver for full range output with extended low frequency response. Both 5.25" and 6.5" models add a mylar tweeter unit for accurate HF reproduction. Quick fit spring clamps or 'dog-ear' mounts enable easy installation, resulting in a minimalist profile for a discreet and understated sound system.

  • Efficient 2-way crossover network
  • Gold-plated spring terminals
  • Sleek, understated profile
  • Flared baffle for wide dispersion
  • 3 "dog-ear" mounts for SL5 and SL6
  • 3 spring clips for SL4
  • 2 spring clips for SL3
  • Supplied in pairs
  • Impedance 8 ohms
  • Dispersion angle 160°


  952.545UK 952.546UK 952.547UK 952.548UK
Woofer 75mmØ (3") PP cone 100mmØ (4") paper cone 130mmØ (5.25") PP cone 165mmØ (6.5") PP cone
Tweeter N/A N/A 12mmØ (0.5") mylar dome 12mmØ (0.5") mylar dome
Crossover frequency N/A N/A 4.5kHz 4.5kHz
Frequency response 200Hz - 20kHz 100Hz - 18kHz 50Hz - 20kHz 40Hz - 20kHz
Power rms 10W 20W 35W 40W
Cutout 84mmØ 134mmØ 178mmØ 204mmØ
Mounting depth 57mm 70mm 93mm 102mm
SPL @ 1W/1m 82dB 88dB 88dB 89dB
Dimensions (each) 57 x 100mmØ 71 x 145mmØ 93 x 203mmØ 102 x 232mmØ
Weight (each) 0.36kg 0.60kg 1.30kg 1.50kg

Support : articles

Low impedance speakers

Impedance is the effective resistance of an electric circuit or component to alternating current, arising from the combined effects of resistance and reactance. Here we explain the features of low impedance and how it is implemented in a speaker system.

Sunday, 1st January 2017

Dispersion angles

Each ceiling speaker in an installation is capable of effectively providing coverage to an area defined by its dispersion angle. Here we show how to calculate the spacing of speakers to cover your installation

Sunday, 1st January 2017

Speaker system types

Our speaker and amplifier products cover many environments and applications with a focus on clear and efficient sound coverage. Here we discuss the different types of systems

Sunday, 1st January 2017

Power Ratings: RMS vs Max vs Peak

A summary explaining the key differences between RMS, Max and Peak power ratings.

Tuesday, 10th March 2020

In the box

The box for this item contains :

  • Pair of SL ceiling speakers


UK Declaration of conformity
For 952.546UK (243KB)
EU Declaration of conformity
For 952.546UK (231KB)

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