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The Monitor Audio C3L-CP is a premium, large Tier 3 in-ceiling loudspeaker designed to deliver uncompromising audio performance for music and home cinema. Featuring a three-way configuration with a 9" RDT III bass driver, 4" IDC II midrange driver, and a 1" IDC II tweeter with UD Waveguide II, it sets a new benchmark in sound quality. As part of the Controlled Performance (CP) range, the C3L-CP integrates a sealed back box, ensuring consistent performance and superior sound isolation across different installation environments.
Built with Monitor Audio's most advanced acoustic technologies, the C3L-CP combines precision engineering with installer-friendly design. The sealed mineral-filled enclosure reduces sound leakage to the rear by up to 30 dB, optimising bass and midrange response while minimising sound transfer between rooms. The Quik-Link connector and Tri-Grip II fixing system provide fast, secure, and reliable installation. Optional square grilles offer further visual flexibility, making this speaker both adaptable and powerful.
| Specification | Details |
|---|---|
| System Format | 3-Way |
| Channels | 1 |
| Frequency Response (-6dB) | 80 Hz - 35 kHz |
| Nominal Impedance | 6 ohm |
| Minimum Impedance | 4.9 ohm @ 2 kHz |
| Sensitivity | 89 dB (2.83 Vrms @ 1m) |
| Maximum Peak SPL | 122 dB |
| Continuous Power Handling | 120 W RMS |
| Recommended Amplifier Power | 45 - 180 W RMS (into 8 ohm) |
| 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: 3.5 kHz |
| Bass Alignment | Sealed |
| Mounting Depth | 177.5 mm (6 63/64") |
| Cut-Out Hole Diameter | 248 mm (9 3/4") |
| External Dimensions | 278 x 278 x 181 mm (10 15/16" x 10 15/16" x 7 1/8") |
| Weight | 5.7 kg (12 lb 10 oz) |
| Pre-Construction Bracket | CL-B |
| Cabinet Finish | Matt black, orange & green |
| Sold As | Single unit with CL-Round Grille (white) |
| Switches | Corner: On/Off HF: - / 0 / + MF: - / 0 / + |
| Warranty | Lifetime |
With its sealed back box, the C3L-CP delivers reliable and consistent performance regardless of ceiling construction, ensuring consistent sound quality across all installations. The combination of RDT III, IDC II midrange, and IDC II tweeter with UD Waveguide II ensures clear and lifelike reproduction of music and film soundtracks. Acoustic adjustment switches allow installers to fine-tune the sound to the space, while its high SPL capability (122 dB) makes it suitable for large and dynamic environments.
Q: What is the key advantage of the CP design?
A: The fully sealed back box ensures consistent sound performance and reduces sound leakage between rooms by up to 30 dB.
Q: Is the C3L-CP suitable for home cinema?
A: Yes, its high SPL handling, precise three-way design, and sealed enclosure make it perfect for immersive home cinema setups.
Q: Can the grille be customised?
A: The speaker comes with a paintable round grille, and optional square grilles are available.
Q: What tuning controls are included?
A: It includes corner, HF, and MF switches to optimise performance for placement and room acoustics.
Q: What warranty does it come with?
A: The C3L-CP is backed by a lifetime warranty, ensuring long-term reliability and peace of mind.
