Standby

Once set up, the multi channel power amplifier can be left in standby as it consumes negligible power in this mode.

To bring the amplifier out of standby press the button on the front panel. Alternatively, the 558 can be brought out of standby automatically using the TRIGGER INPUT; see below.

If you are not going to use the multi channel power amplifier for a period of several days you should switch the unit completely off, at the back panel, and disconnect it from the AC power supply.

Trigger input

The TRIGGER INPUT can be used to bring the multi channel power amplifier out of standby by applying a signal from a control unit.

The trigger input should be an AC or DC signal of between 5 and 30V. Suitable trigger signals are provided by the Meridian 561, 562, 568, 800, or 861.

Setting up the multi channel power amplifier

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Meridian Audio 558 manual Standby, Trigger input

558 specifications

Meridian Audio has long been synonymous with high-fidelity sound reproduction, and the Meridian 558 is no exception. This groundbreaking digital audio amplifier showcases the company's dedication to premium audio quality and innovation. Designed for audiophiles and home theatre enthusiasts alike, the 558 stands as a testament to Meridian's craftsmanship, blending sophisticated technology with elegant design.

At its core, the Meridian 558 boasts an impressive architecture that enables it to deliver high-performance audio. With a power output of 200 watts per channel, the amplifier can effortlessly drive a wide range of speaker configurations, providing clear and dynamic sound reproduction even at high volumes. The inclusion of a true stereo design ensures that the Listening experience remains uncolored and accurate, an essential characteristic for any serious audio system.

One notable feature of the 558 is its integration of Meridian's proprietary Digital Signal Processing (DSP) technology. This allows for precise control over audio signals, enhancing performance while minimizing distortion. The built-in DSP not only optimizes audio playback but also enables advanced features such as automatic speaker setup and room correction, tailoring the listening experience to the unique characteristics of your environment.

Another key characteristic of the 558 is its robust connectivity options. The amplifier is equipped with multiple digital and analog inputs, allowing users to easily integrate it into their existing audio setups. Additionally, Meridian's proprietary Meridian Lossless Packing (MLP) ensures that audio files are played back in their highest quality without compression losses, making the most of high-resolution audio formats.

The 558 also features an intuitive interface that allows users to seamlessly navigate through settings and configurations. Its compact and sleek design fits into a variety of spaces without compromising on aesthetic appeal, making it a versatile addition to any audio system.

For those seeking an enriched home audio experience, the Meridian 558 stands out as a leading choice. With its powerful output, advanced DSP technology, and commitment to high-resolution audio, it embodies the pinnacle of audio performance, setting the standard for audio amplifiers in the modern age. Whether for critical listening or immersive home theatre experiences, the Meridian 558 is engineered to deliver sound that is both true to the artist's intent and thrilling to the listener.