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The Monitor Audio C3L-A is a large Tier 3 in-ceiling loudspeaker designed to deliver uncompromising audio performance where precise sound direction is essential. Featuring a three-way design with a 9" RDT III bass driver, 4" IDC II midrange driver, and a 1" IDC II tweeter with UD Waveguide II, the C3L-A introduces an angled driver array to focus mid and high frequencies directly into the listening area. This ensures pinpoint accuracy, improved intelligibility, and enhanced clarity—making it an outstanding choice for home theatre and premium multi-channel music systems.
The ‘A’ in C3L-A stands for ‘Angle’. Its redesigned IDC II midrange and tweeter array is permanently set at a 25-degree angle, providing a focused projection that directs sound into the listening area with remarkable precision. This makes it particularly effective as an in-ceiling LCR (Left, Centre, Right) speaker where in-wall options are not possible. Supported by an advanced RDT III bass driver and robust motor system, the C3L-A combines deep, controlled bass with wide dynamic range and crystal-clear treble. Installation is secure and efficient thanks to the Quik-Link connector and Tri-Grip II fixing system, while optional square grilles enhance design integration.
| Specification | Details |
|---|---|
| System Format | 3–Way |
| Channels | 1 |
| Frequency Response (-6dB) | 45 Hz – 35 kHz |
| Nominal Impedance | 6 ohms |
| Minimum Impedance | 4.6 ohms @ 2 kHz |
| Sensitivity | 89 dB (2.83 Vrms @ 1m) |
| Maximum Peak SPL | 119 dB |
| Continuous Power Handling | 150 W RMS |
| Recommended Amplifier Power | 60 – 225 W RMS (into 8 ohms) |
| Drive Units | 1 x 9" RDT III bass driver 1 x 4" IDC II midrange driver 1 x 1" IDC II tweeter |
| Crossover Frequency | LF/MF: 700 Hz MF/HF: 3 kHz |
| Mounting Depth | 157 mm (6 3/16") |
| Cut-Out Hole Diameter | 248 mm (9 3/4") |
| External Dimensions | 278 x 278 x 161 mm (10 15/16" x 10 15/16" x 6 5/16") |
| Weight | 5.6 kg (12 lb 5 oz) |
| Pre-Construction Bracket | CL-B |
| Cabinet Finish | Matte black, orange & green |
| Sold As | Single unit with CL-Round Grille (white) |
| Switches | Corner: On/Off HF: - / 0 / + MF: - / 0 / + |
| Warranty | Lifetime |
The C3L-A delivers extraordinary in-ceiling performance, with its angled IDC II driver array directing midrange and treble into the listening space for focused, high-resolution sound. This makes it particularly effective in home theatres and multi-channel music systems where accurate sound placement is crucial. With its RDT III bass driver providing deep and controlled low-end response, combined with its tuning switches for room optimisation, the C3L-A is a versatile, high-performance option for premium installations.
Q: What makes the C3L-A different from the standard C3L?
A: The C3L-A features an angled IDC II driver array that projects sound directly into the listening area, offering improved focus and clarity compared to the forward-firing design of the C3L.
Q: Is it suitable for use as an LCR speaker?
A: Yes, the angled driver design makes it ideal for in-ceiling Left, Centre, and Right channel applications where in-wall speakers cannot be used.
Q: Can the grille be customised?
A: Yes, it comes with a paintable round grille, with an optional square grille available for design flexibility.
Q: What tuning options are available?
A: The C3L-A includes corner, HF, and MF switches, enabling installers to fine-tune performance for the room environment.
Q: What warranty is provided?
A: The C3L-A comes with Monitor Audio’s lifetime warranty, ensuring long-term reliability and performance.
