Description
Monitor Audio C2L-CP In-Ceiling Speaker
Large Tier 2 in-ceiling speaker with a 9-inch RST II bass driver, 1.25-inch C-CAM tweeter, and a fully sealed back box for consistent architectural sound and stronger room-to-room isolation.
The Monitor Audio C2L-CP is built for projects where ceiling speakers need to do more than just disappear. It sits higher in the Creator Series line-up as a Tier 2 model, using a 9-inch RST II mid-bass driver, a 1.25-inch C-CAM tweeter, and a fully sealed back box to deliver more controlled, consistent performance regardless of the ceiling construction around it.
That sealed back-box design is a big part of the point here. Monitor Audio says it provides the ideal air load for the drivers, improves midrange and bass performance, and reduces sound from the rear of the cabinet by around 30dB. In practical terms, that means better sonic consistency from room to room and a more sensible fit for projects where acoustic control and isolation matter, not just raw output.
Sealed Back Box for Better Consistency
A stronger architectural option when control and isolation matter
The C2L-CP is part of Monitor Audio’s Controlled Performance range, which means it is fitted with a fully sealed enclosure from the outset. That is a meaningful upgrade over open-back ceiling speakers because the performance is less dependent on whatever void or construction cavity happens to be behind it.
For real-world jobs, that makes the C2L-CP a better choice in higher-spec residential installs, multi-room projects, and spaces where you want a more predictable result rather than hoping the ceiling cavity behaves nicely.
9-Inch RST II Driver and 1.25-Inch C-CAM Tweeter
Larger scale, cleaner detail, and more authority from an in-ceiling format
Monitor Audio uses a 9-inch RST II bass driver here alongside a 1.25-inch C-CAM tweeter with UD Waveguide II. It describes the result as clearer, more lifelike, and more in line with the sound quality you would expect from one of its passive box speakers rather than a basic architectural speaker.
That makes sense on paper as well. With a quoted installed frequency response of 75Hz to 25kHz, 89dB sensitivity, and a maximum peak SPL of 120dB, the C2L-CP is clearly aimed at rooms where the ceiling speaker needs to carry real weight and presence, not just background fill.
Stronger Acoustic Performance with Practical Install Features
Quik-Link, Tri-Grip II, and a large-format cut-out for serious custom-install work
Monitor Audio gives the C2L-CP its Quik-Link speaker cable connector and Tri-Grip II fixing system, both designed to speed up installation and improve mounting security. The cut-out is 248mm and mounting depth is 177.5mm, so this is a larger-format install speaker that needs proper planning, but it is also clearly designed to make that process cleaner once you are on site.
For installers, that balance matters. A speaker at this level should sound serious, but it also needs to be practical to fit in real ceilings without unnecessary fuss.
Creator Series Flexibility and Grille Options
White as standard, with optional square and black grille choices
The C2L-CP is supplied as a single unit with a white CL-Round grille, and Monitor Audio also lists optional square grilles for this model. Across the Creator Series, optional black grilles are available for darker interiors and more visually controlled spaces.
That makes it easier to use the speaker in both conventional white-ceiling installs and higher-design rooms where the ceiling finish needs a bit more thought.
Specifications
| Specification | Details |
|---|---|
| Brand | Monitor Audio |
| Model | C2L-CP |
| Product Type | In-Ceiling Speaker |
| Series | Creator Series |
| Tier | Tier 2 |
| System Format | 2-Way |
| Channels | 1 |
| Tweeter | 1 x 1.25-inch (32mm) C-CAM tweeter with UD Waveguide II |
| Bass Driver | 1 x 9-inch (229mm) RST II bass driver |
| Frequency Response, Installed (-6dB) | 75Hz – 25kHz |
| Nominal Impedance | 8 Ohm |
| Minimum Impedance | 6.6 Ohm @ 10kHz |
| Sensitivity, Installed | 89dB |
| Maximum Peak SPL | 120dB |
| Continuous Power Handling (RMS) | 100W |
| Recommended Amplifier Power | 50 – 200W |
| Crossover Frequency | LF/HF: 2.25kHz |
| Bass Alignment | Sealed |
| Mounting Depth | 177.5mm |
| Cut-Out Hole Diameter | 248mm |
| External Dimensions (Including Grille) | 278 x 278 x 181mm |
| Weight | 3.3kg each |
| Pre-Construction Bracket | CL-B |
| Cabinet Finish | Matte Black & Orange & Bronze |
| Corner Switch | On / Off |
| HF Switch | - / 0 / + |
| Sold As | Single Unit with CL-Round Grille (white) |
| Warranty | Lifetime |
Detailed Technical Specifications
For those who like to drag out all the useful bits
View full technical specifications
Core Design
- In-ceiling speaker
- Creator Series
- Tier 2 architectural speaker
- Controlled Performance model
- Fully sealed back box
- 2-way system format
Driver Configuration
- 1 x 9-inch (229mm) RST II bass driver
- 1 x 1.25-inch (32mm) C-CAM tweeter
- UD Waveguide II integration
Performance
- Frequency response, installed (-6dB): 75Hz – 25kHz
- Nominal impedance: 8 Ohm
- Minimum impedance: 6.6 Ohm at 10kHz
- Sensitivity, installed: 89dB
- Maximum peak SPL: 120dB
- Continuous power handling: 100W RMS
- Recommended amplifier power: 50 – 200W
- Crossover frequency: LF/HF: 2.25kHz
Sealed Back Box Benefits
- Fully sealed enclosure
- Ideal air load for the drivers
- Optimised mid-range and bass performance
- More consistent sound regardless of wall or ceiling construction
- Around 30dB reduction of rear-radiated sound
- Improved isolation between rooms and floors
Installation
- Quik-Link speaker cable connector
- Tri-Grip II fixing system
- Mounting depth: 177.5mm
- Cut-out hole diameter: 248mm
- External dimensions including grille: 278 x 278 x 181mm
- Pre-construction bracket: CL-B
Tuning and Adjustment
- Corner switch: On / Off
- HF switch: - / 0 / +
Finish and Grilles
- Matte Black & Orange & Bronze cabinet finish
- Supplied with white CL-Round grille
- Optional square grilles available
- Optional black grille options available across the Creator Series
Weight and Warranty
- Weight: 3.3kg each
- Sold as a single unit
- Lifetime warranty
The Audio Experts Take
The C2L-CP makes a lot of sense when the brief is not just “put a speaker in the ceiling,” but “get a genuinely good result from a ceiling speaker.” The sealed back box is the big story here. It gives you a much more controlled and predictable outcome, and that matters in better homes and better installs where consistency and isolation are part of the job.
What we like here is that it feels like a serious architectural speaker rather than a token upgrade. The 9-inch RST II driver, proper tweeter, sealed enclosure, level adjustments, and lifetime warranty all point to a product that is meant for proper custom-install work. For the right room, it is a strong option when you want architectural audio to sound deliberate and resolved rather than simply hidden.
Brand new. Contact us for current availability, grille options, and system design advice.
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