The SICA 4 E 1 CS 8 is a robust 4-inch professional loudspeaker engineered for reliable performance in demanding audio environments. With a continuous program power of 140 W and high sensitivity of 90 dB, this compact driver delivers clear and dynamic sound across a wide frequency range. Its specialized waterproof cone treatment and durable construction make it ideal for both indoor and outdoor sound reinforcement applications that require long-lasting audio clarity.
SICA 4 E 1 CS 8 4" 140 W Professional Loudspeaker
The SICA 4 E 1 CS 8 is designed with a pressed sheet steel basket and a polypropylene ogive dust dome, ensuring a rigid and stable structure for the driver. Its aluminium voice coil and former contribute to high power handling and better heat management, which is critical for extended use in professional audio setups. The waterproof paper cone, reinforced with treated cloth surround, offers additional protection and longevity, making this model suitable for installations where moisture resistance is a key requirement.
Performance-wise, this driver stands out with its high sensitivity of 90 dB at 1W/1m and a continuous power rating of 70 W (AES), handling peaks up to 140 W. The frequency range of 120 Hz to 10,000 Hz covers both midrange and upper bass, making it a versatile choice for compact speakers or as a dedicated midrange in multi-way systems. The robust ferrite magnet circuit delivers stable magnetic flux for efficient sound reproduction, minimizing distortion even at higher output levels.
With a mounting diameter of 90 mm and a total depth of just 58.3 mm, the SICA 4 E 1 CS 8 is easy to integrate into custom cabinets or DIY speaker kits. Its waterproof treated cone and sturdy build mean it is well-suited for both fixed installations and portable sound systems. Whether you are assembling a new loudspeaker project or upgrading an existing system, this driver offers reliable performance and adaptability.
Ideal for audio enthusiasts, professional sound installers, and DIY builders, the SICA 4 E 1 CS 8 can be paired with a wide range of woofers, tweeters, and amplifiers to create balanced, high-quality audio systems. Its combination of durability, efficiency, and frequency coverage enables it to excel in applications ranging from home audio upgrades to audio component projects requiring long-term reliability and performance in diverse environments.
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