About the H.P.F. and L.P.F.

High pass filter eliminates lower sound ranges (low-range) from the set up frequencies and allows high ranges through.

Low pass filter eliminates upper sound ranges (high-range) from the set up frequencies and allows low ranges through.

About the slope

This value indicates how many dB the signals attenuate when the frequency increases (or decreases) 1 octave (unit: dB/oct.). Increasing the degree of the slope increases the degree of signal attenuation.

Note:

Setting the slope of H.P.F. and L.P.F. of the low-range as PASS creates a full range setup.

Switching to the Filter Adjustment Mode

1.Open the cover of the remote controller in the Network Menu (refer to page 5).

This switches to Network Menu Setting Screen.

2.Press FUNCTION button 1 on Network Menu Setting Screen.

The display switches to Filter Adjustment Screen, allowing filter adjustments.

Using the Mute function (MUT)

It is possible to turn the Mute function ON/OFF for each band. Turning ON the Mute func- tion stops the sound output for that band. Adjust the filter while turning the Mute function ON/OFF as necessary.

1.Select the band for which the Mute function is to be turned ON.

To select a band, consult “Adjusting the Filter” on the following page.

2.Press FUNCTION button 5 switches the Mute function ON/OFF.

When muting is turned ON the filter curve displayed disappears from the display.

Before making filter adjustments

When the position is set up for the driver’s seat after adjusting the distance between the listening position and each speaker of the Time Alignment Adjustment function (refer to page 29), it is rec- ommended that filter adjustments be made.

Store the different filter characteristics into memory, by the listening position set up with the Position Selector function (refer to page 17) or by the source being listened, and switch when nec- essary. Refer to page 38 for memory operations.

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Pioneer DEQ-P9 Switching to the Filter Adjustment Mode, Using the Mute function MUT, About the H.P.F. and L.P.F

DEQ-P9 specifications

The Pioneer DEQ-P9 is a high-performance digital signal processor and equalizer that stands out in the realm of automotive audio systems. Designed for audiophiles and car enthusiasts alike, the DEQ-P9 merges cutting-edge technologies with user-friendly features to enhance sound quality and customization within vehicles.

One of the main features of the DEQ-P9 is its 31-band graphic equalizer. This allows users to precisely tune the audio output across the entire frequency spectrum. With comprehensive control, users can adjust each band to tailor the sound to their personal preferences or correct for acoustics specific to their vehicle. Coupled with a 5-channel built-in amplifier, the DEQ-P9 ensures that even the most demanding audio setups receive ample power and clarity.

In addition to its equalization capabilities, the DEQ-P9 utilizes advanced time alignment technology. This feature allows users to adjust the audio signal's timing so that all speakers in the vehicle can produce sound coherently. Proper time alignment ensures that sound waves from different speakers reach the listener's ears in perfect synchronization, resulting in clear and immersive audio.

Another hallmark of the DEQ-P9 is its extensive connectivity options, which include digital inputs for both optical and coaxial connections, as well as auxiliary inputs for external devices. This versatility means that various sources of audio can be integrated seamlessly, from traditional CD players to modern smartphones and streaming devices.

The Pioneer DEQ-P9 also supports a variety of sound enhancement technologies, including Dolby Digital and DTS processing. These technologies deliver a cinematic audio experience, enhancing surround sound playback for movie lovers and creating an enveloping atmosphere for music enthusiasts.

Pioneer's commitment to user-friendly design is evident in the DEQ-P9's intuitive interface, which features a full-color display and easy navigation options. This allows users to make quick adjustments on the fly, ensuring that they can enjoy optimal sound quality without distraction.

Moreover, the DEQ-P9 is designed with robust build quality, making it highly reliable for prolonged use. Its compact form factor allows for flexible installation options, fitting comfortably within various vehicle environments.

In summary, the Pioneer DEQ-P9 is an exceptional tool for enhancing the in-car audio experience. With its 31-band graphic equalizer, advanced time alignment, versatile connectivity, and support for immersive sound technologies, it caters to the needs of both casual listeners and dedicated audiophiles. Whether navigating city streets or embarking on long road trips, the DEQ-P9 promises to transform the automotive audio landscape, delivering unparalleled sound quality and customization.