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Apart CMSub 8 8" Subwoofer for Ceiling Installation

Item: PAH0010382-000
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The Apart CMSub 8 Ceiling-Mount Subwoofer is an 8" dual coil ceiling subwoofer. Inconspicuous integration of th...  All product info

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Apart CMSub 8

The Apart CMSub 8 Ceiling-Mount Subwoofer is an 8" dual coil ceiling subwoofer. Inconspicuous integration of the subwoofer allows you to have a fat and deep bass sound without compromising on the space on your wall or floor. This subwoofer is the ideal partner for all kinds of satellite speakers: small to medium Apart CM speakers (CM3T, CM4, CM4T and many others) but also small cabinet speakers, such as the Apart MASK4(T).

Thanks to its discrete design (identically to many of our CM speakers), you can enjoy high quality background music with plenty of bass. Due to the aluminium grille, this speaker is also suitable for use in humid conditions.

Ideally, you should use the CMSUB8 in an active configuration, for example by using the CHAMP-4 amplifier with integrated active low- and high-pass filters. In case you use the CMSUB8 in passive speaker systems, the satellite speakers must have their own high-pass filters, for optimum blending with the CMSUB8 speaker.

If you need more bass or when the room is acoustically troublesome, add more CMSUB8 speakers and spread them across the area. The speaker is designed for infinite baffle use (e.g. into a ceiling), meaning that you don’t need to build a backbox! When built into an enclosure (e.g. furniture), it is recommended to be placed in a closed box with minimum 20 litres of volume.

The main features of Apart CMSub 8 Ceiling-Mount Subwoofer include:

  • Outside diameter: 246 mm  
  • Cut-out: 223 mm                      
  • Woofer size: 8 inch                 
  • Mounting system: 3 screws
  • Low impedance dynamic power: 2 x 80 watts       
  • Max SPL 1m: 107 dB                
  • Main construction material: ABS plastic 
  • IP rating: 54                                
  • Applicable in 100V: No
  • Depth: 97 mm
  • Loudspeaker system: dual coil
  • Woofer cone material: paper
  • Impedance: 2 x 8 ohms
  • SPL 1W/1m: 88 dB
  • Frequency response: 50 - 200 Hz
  • Grille main material: aluminium
  • Applicable low impedance: Yes


  • Manufacturer: Apart
  • Typ: Sub
  • Signal Processing: Passive
  • Size of Woofer (Inches): 8
  • Power Output in W(RMS) @8Ohm: 40
  • Impedance (Ohm): 8
  • max. Peak SPL (dB): 88
  • Housing Material: Wood
  • Airworthy: No
  • Beam angle: 180°
  • Frequency Response from (Hz): 50
  • Frequency Response to (Hz): 200
  • Crossover Network: Yes
  • Link: Yes
  • Output: Clamp
  • Depth (mm): 97
  • incl. Stand: No
  • incl. Cover: No
Apart CMSub 8 8" Subwoofer for Ceiling Installation Product ImageApart CMSub 8 8" Subwoofer for Ceiling Installation
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