Monitor Audio WT280 Trimless In-Wall Speaker

Brand: Monitor Audio
Product Code: WT280
Price: £200.00 Ex Tax: £166.67

The award-winning BX technologies for wall installation. An 8-inch C-CAM® bass driver and a more highly specified version of the C-CAM gold dome tweeter offer an extended high-frequency response to 30kHz, as well as higher output and power handling capacity than the 100 Series 2-way models. Optimum imaging and set-up are established via a pivoting tweeter, high frequency (+3dB / 0dB / -3dB) level adjustment, and boundary compensation (on / off) controls.


  • 2-way design with pivoting C-CAM tweeters (15 degrees of play).
  • High overall efficiency.
  • High frequency level adjustment (+/-3dB).
  • Boundary compensation control.
  • Timbre-match with RS-CP and Silver RS hi-fi speakers.
  • Our innovative Tri-Grip® fixing system is easier to install than conventional clamping schemes but provides three times the surface area and a better surface seal, maximising bass response and mid-range clarity.
  • Magnetic and easily removable steel grille.
  • Paint-able surface to blend with the living environment. Additional scrim material is provided for trouble free painting.
  • Fire retardant to UL-94 VO rating.
  • Splash and humidity proof for installation in shower room or pool areas.
  • Features dust protection cover that is designed to prevent the ingress of dirt or dust into the driver and crossover.

Gold Dome C-CAM®

The gold dome tweeter is formed from a ceramic-coated aluminium/magnesium alloy, gold anodised to a specific thickness for ideal stiffness and damping characteristics. Its new profile and surround geometry have been developed using advanced modelling tools, to provide the optimum qualities for accurate sound reproduction. The new design moves the first order of breakup to beyond 35kHz, producing a linear response way beyond audibility, which matches the wide frequency bandwidth available from HD music and cinema sound formats.

The gold dome is thinner, lighter, more rigid and therefore more efficient than domes made from other materials which are prone to distortion in the audio band.

C-CAM® Drivers

Ceramic-Coated Aluminium/Magnesium is a material originally developed by the aerospace industry for jet engine components. Its properties are ideal for loudspeaker cones being extremely rigid, yet light enough to yield high overall efficiency. In manufacture, aluminium/magnesium alloy undergoes a three-stage stress-relieving process to remove surface deformation and molecular weakness. Once formed, the alloy cone is subjected to a high temperature anodic coating process in which a layer of pure ceramic alumina is depleted onto its surfaces to a depth of 50 microns, producing a completely rigid sandwich of alloy and heat-dissipating ceramic material. Conventional cones are liable to flex or twist in operation, producing a significant level of audible distortion. C-CAM cones have a much higher resistance to bending stress and therefore exhibit much greater fidelity over their entire operating range. C-CAM tweeters and woofers share an audible consistency producing a smooth transition of frequencies and a sense of realism and cohesion in the soundstage.


Frequency Response  45Hz - 30kHz
 Sensitivity (1W@1M):  90 dB
 Nominal Impedance  6 Ohms
 Sensitivity (1W@1m):  88.5db
 Maximum SPL
 (Single unit in free space):
 111.6 dBA
 Power Handling (RMS):  120 W
 Recommended Amp Requirements  30 - 120 W
 Drive Unit Complement  1 x 8” C-CAM® cone bass driver
 1 x 1” C-CAM® Pivoting gold dome tweeter
 Overall Dimensions: (H x W)  441 mm x 288 mm
 (17 3/8 inch x 11 5/16 inch)
 Overall Depth  97.5 mm
 (3 13/16 inch)
 Cut Out Diameter: (H x W)  387 mm x 234 mm
 (15 1/4 inch x 9 3/16 inch)
 Mounting Depth:  93 mm
 (3 11/16 inch)
 Controls:  +3db / 0dB / -3dB High frequency level switch
 Boundary compensation
 Fixing Type  6 position Tri-Grip® dog fixings
 Cable Connection  Gold plated 'push' type terminals
 Construction Material  Mineral Filled ABS Plastic
 (UL V0 Fire Retardent, RoHS2 Compliant)
 Weight  3.1 Kg (6.8 lb)
 Grille Attachment  Magnetic

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