Monitor Audio C2M 7" In-Ceiling Speaker
If the ceiling has a bedroom or other living space above it, or is part of an escape route, building regulations require each speaker to have a fire hood. Hoods also cut sound leaking into the room above.
Allow about 10m per speaker for a typical run back to the amplifier. Webro 16/2 LSZH (low smoke, zero halogen) is the right cable for runs in ceilings and walls.
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The Monitor Audio C2M is a medium-sized in-ceiling speaker built for installers and homeowners who want genuine hi-fi performance from a discreet, flush-mounted enclosure. Suited to living rooms, media rooms and multi-room music systems, it combines a substantial 7" mid-bass driver with a precision tweeter to deliver a full, detailed sound that goes well beyond typical background ceiling speakers.
Why we like it
- 7" RST II mid-bass cone offers rigidity and low distortion for tight, accurate bass and midrange
- 1" C-CAM tweeter with UD Waveguide II gives smooth, wide-dispersion treble
- Quik-Link connectors make for a quick, tool-free wiring process
- Tri-Grip II fixing system holds the speaker firmly and securely in the ceiling
- Onboard corner and HF switches allow fine-tuning to suit room acoustics and position
Installation notes
The C2M requires a 212mm cut-out and a mounting depth of 99mm, so check loft or ceiling void clearance before installation. An optional pre-construction bracket (CM-B) is available for new-build projects. For best results, pair with a dedicated multi-room amplifier such as a Sonos Amp or WiiM Amp Pro, which can comfortably drive the recommended 40-150W power range into the C2M's 8 ohm load.
Specifications
| System Format | 2-Way |
| Frequency Response (-6dB) | 35 Hz - 35 kHz |
| Nominal Impedance | 8 ohms |
| Sensitivity | 86 dB (2.83Vrms @ 1m) |
| Continuous Power Handling | 75W RMS |
| Recommended Amplifier Power | 40-150W RMS into 8 ohms |
| Drive Units | 1 x 7" RST II mid-bass, 1 x 1" C-CAM tweeter |
| Mounting Depth | 99mm |
| Cut-Out Diameter | 212mm |
| External Dimensions | 242 x 242 x 103mm |
| Weight | 2kg |


