Chassis material
For professionals seeking a reliable and powerful amplification solution, the LD System XS 400 PA Power Amplifier stands out as an ideal choice. Whether you are managing live sound for events, venues, or installations, this amplifier delivers the performance and durability necessary to ensure your audio system operates flawlessly. The XS 400’s blend of robust power output, advanced Class D technology, and comprehensive protection features addresses common challenges such as distortion, overheating, and connectivity issues, providing peace of mind and consistent sound quality.
At its core, the XS 400 offers a rated output power of 2 x 200 watts at 4 ohms, which means it can drive two separate speakers with strong, clear sound without strain. For setups requiring higher impedance, it delivers 2 x 100 watts at 8 ohms or a bridged output of 400 watts at 8 ohms, providing versatile options for different speaker configurations. This flexibility allows customers to tailor their setup according to venue size and acoustic needs, ensuring optimal sound coverage whether for small meetings or larger gatherings.
The amplifier’s Class D output circuitry is a key feature that directly benefits users by combining high efficiency with low distortion. With a total harmonic distortion (THD) of less than 0.1%, the XS 400 produces clean and accurate sound reproduction, preserving the integrity of your audio source. The Class D design also results in reduced heat generation and a lower power draw, meaning the amplifier runs cooler and consumes less energy—advantages that translate into longer equipment lifespan and lower operating costs.
In terms of connectivity and control, the XS 400 is equipped with two line inputs featuring both 6.3 mm jack and RCA connectors. This ensures compatibility with a wide range of audio sources, from mixers to playback devices. The inclusion of Speakon-compatible and terminal post speaker outputs allows for secure and professional-grade connections to your loudspeakers, minimizing signal loss or interference. Users also benefit from adjustable gain controls, a ground lift switch to combat hum or buzz, and a limiter to prevent audio clipping, all of which contribute to a finely tuned and protected audio signal.
Physically, the XS 400 is designed with practical use in mind. Measuring 482 mm wide, 44 mm high, and 244 mm deep, it fits comfortably into standard 19-inch rack systems, saving valuable space in your audio rack or console area. Weighing just 3.4 kilograms, it is lightweight enough to transport between venues without difficulty. The amplifier operates on a switchable voltage setting (115 V AC / 230 V AC), making it adaptable to various power standards worldwide. Additionally, a low-noise cooling fan ensures the unit remains cool during extended use without introducing distracting noise into your audio environment.
The LD System XS 400 is well suited for a wide range of professional applications, including small to medium-sized live performances, conference rooms, houses of worship, and DJ setups. Its combination of power, sound fidelity, and protective features makes it a dependable workhorse for sound engineers and event managers who require consistent and high-quality amplification with minimal fuss.
In summary, the LD System XS 400 PA Power Amplifier offers a powerful, efficient, and versatile solution for professional audio amplification needs. Its robust output, low distortion, and comprehensive protection circuits ensure reliable performance under demanding conditions, while its practical size and connectivity options make it easy to integrate into any setup. Purchasing the XS 400 means investing in a unit that will deliver clear, consistent sound with confidence, backed by the trusted LD System brand.
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