The Ashly nX1504 is a professional four-channel power amplifier engineered for reliable performance in installed sound reinforcement systems. Designed for commercial and institutional applications, it delivers robust power with each channel capable of 150 watts into 8 ohms or 250 watts into 4 ohms, and supports 70V/100V constant-voltage operation for driving distributed speaker lines. This flexibility makes it well-suited for multi-zone audio systems in retail spaces, restaurants, offices, and educational facilities where different speaker loads and topologies are commonly encountered. The amplifier utilizes efficient Class-H circuit topology, which provides a balance of high output capability and reduced power consumption, contributing to lower operating temperatures and enhanced long-term reliability.

Built with a focus on durability and straightforward integration, the nX1504 features a comprehensive suite of protection circuits including thermal, short-circuit, and overload protection to safeguard both the amplifier and connected loudspeakers. Its front panel offers clear LED indicators for power, signal presence, and fault conditions, allowing for quick status checks. The rear panel provides balanced XLR and terminal block inputs for flexible signal connection, along with robust binding post and terminal block outputs to accommodate various wiring methods. The amplifier is designed for continuous operation and is housed in a 2U rack-mountable steel chassis with a variable-speed fan that ensures adequate cooling while maintaining a low acoustic noise profile.

While the nX1504 excels as a dedicated power amplifier, it is also designed to integrate into larger Ashly systems, with an optional network card available for remote monitoring and control. This potential for networked management allows for basic functions like muting and fault monitoring over an Ethernet connection when the optional card is installed. The combination of versatile power output, robust construction, and comprehensive protection makes the Ashly nX1504 a dependable and scalable amplification solution for a wide range of fixed-installation audio applications where consistent performance and operational simplicity are key requirements.