Monitor Audio C1S, in-ceiling speaker

The Monitor Audio C1S is a small-sized two-way in-ceiling speaker from the Creator Series , designed for cost-effective solutions where simplicity and robust sound reproduction are important. It is equipped with a 5" (127 mm) C-CAM mid-woofer and a 1" (25 mm) C-CAM tweeter with UD Waveguide I technology, ensuring clear mid-range reproduction, full bass and natural sound. The cutout diameter is 171 mm. Installation is facilitated by the patented Quik-Link connector and Tri-Grip II system.

This small Tier 1 in-ceiling loudspeaker is a two-way model featuring a C-CAM mid-bass driver and C-CAM tweeter. It has a cut-out dimension of 171 mm, revolutionary patented Quik-Link speaker cable connector and Tri-Grip II for quick, simple, reliable and strong installation and fitment.

This small Tier 1 in-ceiling loudspeaker is designed for cost-effective installations, where product simplicity and solid acoustic performance are required. It is a two-way model featuring a C-CAM mid-bass driver and C-CAM tweeter. The performance benefit of having both within a single design means greatly improved clarity, wider dispersion into the listening environment, and clear lifelike high-fidelity sound – of the quality you'd expect from any Monitor Audio passive box loudspeaker. It has a cut-out dimension of 171 mm and uses the patented Quik-Link speaker cable connecter, which revolutionises the ease and speed of speaker installation. Tri-Grip has also been developed for simple, reliable and strong fitment.

Optional square grille can be used with this model.

Key Features
Ideal for cost-effective installations, where product simplicity and solid acoustic performance are required
Two-way design
1 x 1" (25mm) C-CAM tweeter with UD Waveguide I for lifelike sound
1 x 5" (127 mm) C-CAM mid-bass driver for clear mid-range and full bass
Patented Quik-Link speaker cable connector for quicker installation (UK patent application no. 2216966.8)
Tri-Grip II for easy and secure fitment

System Format
2-Way
Channels
1
Frequency Response, Installed (-6dB)
40Hz - 30kHz​
Nominal Impedance
8 ohms
Minimum Impedance (20Hz to 20kHz)
6.6 Ohms @ 150 Hz
Sensitivity (2.83Vrms@1m, Installed)
84 dB
Maximum Peak SPL* (single speaker @ 1m Z-Weighted)
110 dB
Continuous Power Handling (RMS into Nominal Impedance, Pink Noise with 6dB Crest Factor)
50W
Recommended Amplifier Power (RMS into 8 OHM, Music Signal)
25 – 100W
Drive Unit Complement
1 x 5" (127 mm) C-CAM mid-bass driver
1 x 1" (25 mm) C-CAM tweeter
Crossover Frequency
LF/HF: 3 kHz
Mounting Depth
99mm (37/8”)
Cut-Out Hole Diameter
171mm (63/4”)
External Dimensions (Including Grille (H x W x D))
201 x 201 x 103 mm (715/16 x 715/16 x 44/16")
Weight (each)
1.4 kg (3 lb 1 oz)
Pre-Construction Bracket
CS-B
Cabinet Finish
Matte black & Orange
Sold As
Single Unit