Martin Audio C4.8T
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Information
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Manufacturer Information
Martin Audio
https://www.martin-audio.com
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Algam SAS
Email: contact@algam.net
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A high-end recessed series designed for integration projects
The C115 is part of a high-end recessed ceiling speaker series designed to meet installers' requirements: clean integration, quick implementation, and consistent sound quality. The speaker is supplied in pairs and comes with all necessary installation components to facilitate ceiling work and achieve a uniform finish, especially in suspended ceiling tile structures.
This "system" approach is also reflected in the ambient diffusion orientation: the C115 prioritizes wide coverage and comfortable listening for spaces where music and speech need to be present without ever being intrusive.
What applications is the C115 designed for?
The Martin Audio C115 is particularly suited for public spaces requiring elegant and consistent sound reinforcement: retail stores, restaurants, hotels, reception areas, circulation zones, meeting rooms, and multi-zone installations. Its clear objective is to provide uniform diffusion and high intelligibility even when sound levels are intentionally kept moderate.
Thanks to the specific driver treatment, it can also be considered for humid environments (covered outdoor areas, swimming pools, etc.) where ceiling integration and visual discretion are priorities.
Low impedance / 100 volts switching, wide dispersion, and reinforced bass
ICT Technology: clear and balanced listening
The C115 is based on a driver using ICT technology, claimed to offer a wide frequency response and very good intelligibility, including at low levels. Practically, this ensures good clarity of voices (announcements, speech) and a pleasant musical balance without needing to increase the volume.
One model for multiple installation types
Depending on site constraints, the C115 can be used in low impedance or 100 volts line operation. The series is described as switchable via a selector, simplifying equipment preparation and allowing wiring adaptation for long cable runs, multi-speaker installations, or existing architectures.
Reinforced bass: possible pairing with the CS265 subwoofer
To provide more bass foundation, the CS265 subwoofer is presented as a natural complement. Its very slim format facilitates concealment within furniture. In passive mode, it can be wired with 2 or 4 C115s using a single stereo amplifier, a practical solution to enhance the low-frequency range while maintaining a discreet installation.
Finish and integration
The C115 is available in white or anthracite grey to closely match ceilings and interior architecture. The entire package is designed for integration: includes mounting accessories (rails and metal bracket compatible with suspended ceiling tile structures) and a cut-out template for clean installation.
Technical specifications
| Peak power | 160 W |
| Peak power, type | AES |
| Number of channels | 2 channels |
| Speaker diameter | 4", 0,8" |
| Horizontal dispersion in degrees | 180.0000 |
| Vertical dispersion in degrees | 180.0000 |
| Cut-off frequency | 5 kHz passive |
| Impedance | 16 Ω |
| SPL Max / peak | 106 dB |
| Frequency response | 100 Hz - 20 kHz |
| Input sensitivity (1W/1m) | 86 dB |
| SPL max | 106 dB |
| Speaker structure | steel |
| Color | White |
| Power output | 40 W |
| Power / type | AES |
| Weight | 2.6 kg |
| Dimensions (mm) | ø 205 x 131 |
| Driver | 4 inches (100 mm) |
| Tweeter | dome |
| Dispersion | 180deg conical above 10 kHz |
| Power | 40 W AES |
| Power at 100 volts | 25 W |
| Continuous SPL | 100 dB |
| 100 volts transformer | included as standard |
| Mounting systems | included |
| Ceiling cut-out template | included |
| Supplied in pairs with installation necessities | rails and metal bracket compatible with suspended ceiling tile structures |
| Dimensions | 205 mm diameter x 131 mm depth |
Questions frequently asked
Does the Martin Audio C4.8T operate on a 100 V line?
The 100 V transformer is included as standard and delivers 25 W power on a 100 V line. Low impedance use is also supported, with an impedance of 16 Ω.
What is the sound coverage for a ceiling installation?
The conical dispersion reaches 180° above 10 kHz, promoting wide coverage. The stated frequency response ranges from 100 Hz to 20 kHz, with a sensitivity of 86 dB at 1 W/1 m.
What are the dimensions and mounting depth?
The unit measures 205 mm in diameter with a depth of 131 mm, and weighs 2.6 kg.
Are mounting accessories provided?
Mounting systems and the ceiling cut-out template are included. The product is delivered in pairs with brackets and a metal support suitable for ceiling tile structures. The enclosure is made of steel with a white finish.
Can the bass be enhanced with a subwoofer?
The setup with the CS265 subwoofer is designed to extend low-frequency response. In passive configuration, 2 or 4 speakers can be connected with this subwoofer to a single stereo amplifier.
