Broadcast Concepts FM350SD – 350W FM RF Amplifier Module with Integrated Heatsink
The Broadcast Concepts FM350SD is a high-performance 350-watt FM RF amplifier module engineered for continuous operation in the 87.5–108 MHz frequency range. This rugged, high-efficiency unit is built for integration into FM transmitters, repeaters, and high-powered exciter chains where space-saving and heat management are essential.
With its integrated heatsink, the FM350SD offers superior thermal dissipation, making it suitable for continuous duty in demanding environments. It utilizes high-power LDMOS technology to deliver clean, stable RF output with high gain and low harmonic distortion. The board is pre-matched for wideband FM operation, making installation and integration fast and straightforward for RF professionals.
Designed with OEMs, transmitter builders, and broadcast engineers in mind, this amplifier module is ideal for use in standalone FM transmitter builds or as a driver for higher power stages. Its compact form factor and robust construction ensure long-term performance and minimal maintenance.
The FM350SD is widely regarded for its build quality, thermal efficiency, and ease of use—offering an ideal balance of size, power, and price for medium-power FM broadcast applications.
✅ Key Features
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350 watts RF output in the 87.5–108 MHz FM band
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Integrated high-efficiency heatsink for thermal protection
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LDMOS-based Class C design for reliable continuous operation
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High linearity with low harmonic distortion
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Ideal as a standalone transmitter or driver stage
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Wideband input/output matching for easy integration
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Rugged and compact for OEM or custom build use
📌 Why Choose the FM350SD?
If you’re building or upgrading an FM transmitter, the FM350SD offers a reliable and efficient RF power solution that simplifies integration while maintaining strong performance. Its built-in heatsink and proven circuit design make it ideal for engineers seeking long-term durability and excellent RF purity without the complexity of external cooling systems.
💬 Need technical help or volume pricing?
Our team can assist with integration guidance, RF filtering, and cooling solutions. Contact us or browse our full range of amplifier modules and RF components.
