Introduction - Functions and Features

The full set of features is available on QSC DataPort equipped amplifiers connected to the DSP module via the DataPort connector (direct-connect or remote-mount with DPX-2 cable). “V2” DataPorts and non-QSC amplifiers do not support Output Power Limiting.

“V2” DataPort amplifiers and non-QSC amplifiers do not support Output Power Limiting.

Parametric EQ Adjustable frequency Adjustable gain Adjustable Q factor

Ability to bypass all EQ with a single mouse click Ability to add or delete EQ

Graphical response curve provided in software Assignable anywhere in the signal chain

Signal Compressor

Adjustable attack and release times Adjustable Gain

Adjustable threshold Adjustable compression ratio

Graphical response curve provided in software Assignable anywhere in the signal chain

Signal Level Meter (peak or RMS response)

Signal Attenuation (mute or bypass)

Output Gain up to +12 dB

2 to 1 Mixer Signal Splitter

External Contact Closure Sensing

Pink & White Noise Generator

Variable Frequency Tone Generator

Clip & Protect Indication

Signal Polarity Reversal

High- and Low-Pass Crossover

Selectable responses:

Butterworth (6,12,18 or 24 dB/octave slope) Bessel (6,12,18 or 24 dB/octave slope) Linkwitz-Riley (12 or 24 dB/octave slope)

Graphical response curve provided in software Adjustable frequency & slope

Ability to bypass all EQ with a single mouse click Ability to add or delete EQ

Assignable anywhere in signal chain

High- and Low-Pass Shelf Filter Adjustable corner frequency Adjustable Q factor Adjustable gain

Graphical response curve provided in software Ability to bypass all EQ with a single mouse click Ability to add or delete EQ

Assignable anywhere in signal chain

Output Power Limiter (QSC DataPort Amps) Select QSC amplifier model for tailored results Graphical response curve provided in software Ability to quickly bypass limiter with a single mouse click

Directly monitors amplifier output voltages and cur- rents

Multiple Delays

910 millisecond maximum (sum of all delay objects)

20.83 microsecond increments

Entry can be in seconds, feet or meters Assignable anywhere in signal chain.

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QSC Audio DSP-4 manual Introduction Functions and Features, Signal Compressor, Multiple Delays

DSP-4 specifications

The QSC Audio DSP-4 is a state-of-the-art digital signal processor designed to deliver exceptional audio performance across various applications. This versatile device caters to the needs of live sound, installations, and broadcasting, making it a popular choice among audio professionals. With a robust feature set and advanced technologies, the DSP-4 ensures seamless integration and an unparalleled audio experience.

One of the standout features of the QSC DSP-4 is its powerful processing capabilities. Equipped with a high-performance quad-core processor, it can handle complex audio tasks efficiently, allowing users to manipulate audio signals in real-time. This ensures that even the most demanding audio environments can be managed smoothly.

The DSP-4 boasts a user-friendly interface, making it intuitive for both seasoned audio engineers and newcomers alike. The device comes with a comprehensive software suite that enables users to create and modify audio configurations with ease. The drag-and-drop functionality and visual representation of signal flow simplify the process of designing intricate audio setups.

In terms of connectivity, the QSC DSP-4 offers multiple input and output options, including digital and analog connections. This flexibility allows the device to integrate seamlessly with various audio systems, whether they involve microphones, musical instruments, or other audio sources. Moreover, it supports multiple audio formats, ensuring compatibility with a wide range of equipment.

Among the notable technologies in the DSP-4 is its advanced equalization capabilities. The device features graphic and parametric equalizers that allow for precise control over frequency response, enabling users to tailor the audio output to their specific needs. Additionally, the DSP-4 includes a variety of essential audio processing tools such as compression, gating, and delay, further enhancing its functionality.

The QSC DSP-4 is designed with reliability in mind, featuring robust construction and advanced thermal management to ensure stable operation in demanding environments. Its compact form factor allows for easy installation, whether in racks, on shelves, or in custom setups.

Another noteworthy aspect of the DSP-4 is its scalability. Users can easily expand their audio setups by linking multiple units together, allowing for larger projects or more complex configurations without sacrificing performance. This scalability, combined with the device's rich feature set, makes the QSC DSP-4 a powerful tool for any audio professional.

In summary, the QSC Audio DSP-4 is a highly capable digital signal processor that combines advanced processing power, user-friendly design, and extensive connectivity options. Whether for live events or permanent installations, the DSP-4 stands out as an essential component in delivering superior audio quality.