Key Features
- 9-inch RDT III bass driver
- Tier 3 design offers the highest large-series performance
- Three-way driver layout improves detail and separation
- IDC II midrange and tweeter support clearer positioning
- HF, MF, and corner switches aid room tuning
Monitor Audio Creator Series C3L In-Ceiling Speaker Large Overview
The Monitor Audio C3L is designed for high-performance in-ceiling systems where a discreet speaker still needs to deliver detailed, room-filling sound. Its three-way design combines a 9" RDT III bass driver with a 4" IDC II midrange driver and 1" IDC II tweeter, helping separate low, mid, and high frequencies for a more precise presentation.
With 150W continuous power handling, 89dB sensitivity, and a 45Hz to 35kHz installed frequency response, the C3L is well suited to premium music systems, media rooms, and overhead home cinema channels. The IDC II tweeter uses UD Waveguide II to help spread high frequencies more evenly, while HF, MF, and corner switches allow useful adjustment once installed. A supplied white round grille keeps the finish clean, with optional grille styles available for different interiors.
Product Ref: 379311
Full Description
View Full DescriptionTier 3 Performance
The C3L sits at the top of Monitor Audio’s large Creator Series in-ceiling range, above the C1L and C2L. It steps up with a full three-way driver arrangement, RDT III bass technology and separate IDC II midrange and treble units. This gives bass, voices and high-frequency detail their own focused roles, helping films, music and spatial effects sound clearer and more controlled. For demanding rooms or premium cinema systems, it is the strongest large in-ceiling choice when ceiling speakers need to deliver more than background sound alone.
Three-Way Driver Array For Separation
Unlike the C1L and C2L, which use two-way layouts, the C3L separates bass, midrange and treble across three dedicated drivers. Its 9-inch RDT III bass driver provides low-frequency weight, while the 4-inch IDC II midrange and 1-inch IDC II tweeter focus on voices, fine detail and spatial cues. This clearer division helps busy soundtracks remain easier to follow, especially when effects move above the listener. It also supports more accurate music playback, giving larger rooms a cleaner and more controlled ceiling speaker performance.
Installation With Advanced Room Tuning
Quik-Link speaker cable connection helps keep installation fast and tidy, which is useful across cinema, media room and multi-speaker ceiling projects. Tri-Grip II then secures the C3L firmly into place, supporting a clean finish once the grille is fitted. The 248mm cut-out matches the other large models, but the deeper 157mm mounting depth should be planned before fitting. HF, MF and corner switches give installers extra control, helping the speaker suit its ceiling position and deliver a more balanced result in real rooms.
Specifications
| System Format | 3-Way |
|---|---|
| Channels | 1 |
| Frequency Response | 45 Hz – 35 kHz (-6 dB, Installed) |
| Nominal Impedance | 6 Ω |
| Minimum Impedance | 4.8 Ω @ 2 kHz |
| Sensitivity | 89 dB (2.83 Vrms @ 1 m, Installed) |
| Maximum Peak SPL | 119 dB (Single Speaker @ 1 m, Z-Weighted) |
| Continuous Power Handling | 150 W (RMS Into Nominal Impedance, Pink Noise With 6 dB Crest Factor) |
| Recommended Amplifier Power | 60 – 225 W Into 8 Ω |
| Driver Configuration | 1 × 9 Inch (229 mm) RDT III Bass Driver1 × 4 Inch (102 mm) IDC II Midrange Driver1 × 1 Inch (25 mm) IDC II Tweeter |
| Crossover Frequency | LF/MF: 700 HzMF/HF: 3.5 kHz |
| Mounting Depth | 157 mm |
| Cut-Out Hole Diameter | 248 mm |
| Pre-Construction Bracket | CL-B |
| Corner Switch | On / Off |
| HF Switch | - / 0 / + |
| MF Switch | - / 0 / + |
| Cabinet Finish | Matte BlackOrangeGreen |
| Dimensions (W × H × D) | 278 × 278 × 161 mm |
| Weight | 5 kg |
| Sold As | Single Unit With CL-Round Grille (White) |
| Product Code | SCSC3L |
| EAN | 5060565774124 |
| Reviews of our service
View all
