Monitor Audio
£650

C3M

This high-performance medium-sized Tier 3 in-ceiling loudspeaker is a three-way model featuring an RDT III bass driver, IDC II midrange driver and IDC II tweeter with UD Waveguide II. It has a cut-out dimension of 212 mm and revolutionary patented Quik-Link speaker cable connector and Tri-Grip II for quick, simple, reliable and strong installation and fitting.

This high-performance, medium Tier 3 in-ceiling loudspeaker is designed to deliver pristine, engaging acoustics where pristine sound quality is desired. It is a three-way model featuring the very latest acoustic technologies from Monitor Audio.

This really is the last word in installed performance, featuring an RDT III bass driver, IDC II midrange driver and IDC II tweeter with UD Waveguide II. This high-end combination ensures levels of acoustic transparency and detail found in Monitor Audio’s premium loudspeaker ranges, where much of his acoustic technology was developed. It has a cut out diameter of 212 mm and uses the patented Quik-Link speaker cable connecter, which revolutionises the ease and speed of speaker installation. Tri-Grip has also been evolved for simple, reliable and strong fitment.

Optional square or premium grille can be used with this model.

Key Features

  • Ideal for installations where high-performance acoustics are desired
  • Three-way design
  • Mid-frequency ‘mid-pod array’
  • 1 x 1" (25 mm) IDC II tweeter with UD Waveguide II for lifelike sound
  • 1 x 7" (178 mm) RDT III bass driver
  • 1 x 4" (102 mm) IDC II midrange driver
  • Patented Quik-Link speaker cable connector for quicker installation (UK patent application no. 2216966.8)
  • Tri-Grip II for easy and secure fitment

Specifications

System Format3–Way
Channels1
Frequency Response, Installed (-6dB)45 Hz – 35 kHz​
Nominal Impedance6 ohm
Minimum Impedance (20Hz to 20kHz)4.8 Ohm @ 2 kHz
Sensitivity (2.83Vrms@1m, Installed)87 dB
Maximum Peak SPL* (single speaker @ 1m Z-Weighted)116 dB
Continuous Power Handling (RMS into Nominal Impedance, Pink Noise with 6dB Crest Factor)120 W
Recommended Amplifier Power (RMS into 8 OHM, Music Signal)45 – 180 W
Drive Unit Complement1 x 7" (178 mm) RDT III bass driver 1 x 4" (102 mm) IDC II midrange driver 1 x 1" (25 mm) IDC II tweeter
Crossover FrequencyLF/MF: 800 Hz MF/HF: 3.5 kHz
Mounting Depth148 mm (513/16")
Cut-Out Hole Diameter212 mm (83/8")
External Dimensions (Including Grille (H x W x D))242 x 242 x 151​ mm (91/2 x 91/2 x 515/16”)
Weight (each)3.4 kg (7 lb 8 oz)
Pre-Construction BracketCM-B
Cabinet FinishMatte black & Orange​ & Green
Sold AsSingle Unit
Corner SwitchOn/Off
HF Switch- /0/ +
MF Switch- /0/ +