The flagship ‘Trimless’ 300 Series three-way loudspeakers provide the finest Monitor Audio in-wall and in-ceiling loudspeaker options for music and home theatre applications. They marry C-CAM® bass drivers with RST® cone profiles, and a cast-aluminum driver chassis with an IDC® driver module to provide deeper bass, higher system output, and greater power handling than the ‘Trimless’ 200 Series three-way models. Optimum imaging and set-up are established via the pivoting IDC, high-frequency (+3dB / 0dB / -3dB) level adjustment, and Boundary Compensation (on /off) controls.
Features surround mode selection of dipole (diffuse sound) or bipole (direct sound) operation for super-discreet home theatre sound. Incorporates an 8" C-CAM® RST® bass driver 8-inch C-CAM bass driver and dual 1-inch C-CAM gold dome tweeters mounted at a precise fixed-angle for optimised performance.
- Dual tweeter configuration for use in di-pole or bi-pole mode.
- RST bass driver and C-CAM tweeters, providing coherent tonal balance and sonic signature across the entire audio frequency spectrum.
- High overall efficiency.
- High frequency level adjustment (+/- 3dB).
- Audio match with CP range 200 & 300 models and Silver & Gold GX Series 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.
- All models are paint-able to blend with the living environment. Additional scrim material is provided for trouble free painting.
- All models are splash and humidity proof for installation in shower rooms or pool areas.
- All models feature dust protection covers that are designed to prevent the ingress of dirt or dust into the driver and crossover.
Frequency Response
45 Hz - 30 kHz
Impedance (Nominal)
6 Ohms
Sensitivity (1W@1M)
90 dB
Power Handling (RMS)
120 W
Recommended Amp Requirements
30 - 120 W
Drivers Unit Complement
8” C-CAM® cone bass driver featuring RST®
2 x 1” C-CAM fixed angle gold dome tweeters
Adjustment Controls
HF Level Switch (+3dB / 0dB / -3dB)
Bi pole / Di pole Switch with Additional 12v Trigger Switching
Overall Diameter:(including grille)
285 mm
(11 1/4 inch)
Overall Depth:(including grille)
160 mm
(6 5/16 inch)
Cut Out Diameter
247 mm
(9 3/4 inch)
Mounting Depth
156 mm
(6 1/8 inch)
Fixing Type
3 position Tri-Grip® dog leg fixings
Construction Material
Mineral Filled ABS Plastic
(RoHS2 Compliant)
Pre-Construction Bracket
CB8 (Green)