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Introducing ESX Quantum QL800.4

The ESX Quantum QL800.4 is a compact and powerful 4-channel Class D digital amplifier designed for those who value quality sound without compromising space. As a part of the Quantum series, the QL800.4 is engineered to deliver exceptional performance and sound quality in a compact package, making it the perfect choice for installations where space is at a premium.

Features and Specifications

The QL800.4 is equipped with advanced Class D technology, ensuring high efficiency and low power consumption. It boasts selected and audiophile-grade components, providing superior sound quality. The amplifier features a robust aluminum heatsink and heavy-duty aluminum side panels for durability and excellent heat dissipation. Key features include high-level inputs with Error Protection System (EPS), automatic power-on, Start/Stop Ready functionality, and a MOSFET-PWM power supply. The amplifier also includes a 3-way protection circuitry and a compact remote bass level control for easy adjustments.

Technical Details and Practical Applications

With a power output of 4 x 125/200 watts RMS at 4/2 Ω, the QL800.4 is capable of driving a variety of speakers with ease. When bridged, it delivers a remarkable 2 x 400 watts RMS at 4 Ω, making it ideal for high-performance audio systems. The amplifier offers a wide frequency range, including a high-pass filter (HPF) for channels 1 and 2 at 50-5000 Hz and a low-pass filter (LPF) for channels 3 and 4 at 50-5000 Hz. Additional features such as Bass Boost and Bandpass functionality allow for further customization of the sound. The QL800.4 is an excellent choice for marine, car audio, or home theater installations where space is limited and high-quality sound is a must.