Section

06Audio Adjustments

Adjusting treble

You can adjust the cut-off frequency and the Treble level.

In FRT1 and FRT2 modes, treble adjustment affects only the front output: rear output cannot be adjusted.

1 Press AUDIO to select TRE.

Press AUDIO until TRE appears in the display.

2Select the desired frequency with 2/3. Press 2 or 3 until the desired frequency appears in the display.

2K—4K—6K—10K (Hz)

Using subwoofer output

This unit is equipped with a subwoofer output which can be switched on or off. When a sub- woofer is connected to the rear output, first, switch the rear output setting to subwoofer, then turn the subwoofer output on. For more details, see Switching the rear output setting on page 33.

1 Press AUDIO to select SUB.W.

When the rear output setting is subwoofer, you can select SUB.W. Press AUDIO until SUB.W appears in the display.

3Press 5 or ∞ to adjust the treble level. Each press of 5 or ∞ increases or decreases the treble level. +6 – –6displayed as the level is increased or decreased.

2Press 5 to turn subwoofer output on. SUB.W :ON appears in the display. Subwoofer output is now on.

3Press ∞ to turn subwoofer output off. SUB.W :OFF appears in the display. Subwoofer output is now off.

Adjusting loudness

Loudness compensates for deficiencies in the low- and high-sound ranges at low volume.

1 Press AUDIO to select LOUD.

Press AUDIO until LOUD appears in the display.

2 Press 5 to turn loudness on.

Loudness level (e.g., LOUD :MID) appears in the display.

3 Press 2 or 3 to select the level.

Press 2 or 3 until the desired level appears in the display.

LOW (low)—MID(mid)—HI(high)

4Press ∞ to turn loudness off. LOUD :OFF appears in the display.

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Pioneer DEH-P4400 operation manual Adjusting treble, Using subwoofer output, Adjusting loudness
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DEH-P44, DEH-P4400 specifications

The Pioneer DEH-P4400 and DEH-P44 are revered among car audio enthusiasts for their innovative features and robust performance. These models showcase Pioneer’s commitment to high-quality audio engineering and user-friendly design, making them popular choices for anyone looking to enhance their in-car listening experience.

One of the standout features of the DEH-P4400 and DEH-P44 is their advanced CD player capability. Both models support a wide range of CD formats, including standard audio CDs, CD-Rs, and CD-RWs, allowing users to enjoy their favorite music without limitations. Additionally, the built-in MP3, WMA, and WAV file playback enhances versatility, enabling users to create custom compilations on discs for longer listening sessions.

Digital Signal Processing (DSP) technology is another highlight of these models. It optimizes audio output, ensuring clarity and depth across all frequencies. Users can adjust settings such as bass, treble, and balance, tailoring the sound to their personal preferences and the acoustics of their vehicle. The customizable equalizer presets further enhance this feature, providing flexibility to achieve the perfect audio profile.

Both the DEH-P4400 and DEH-P44 come equipped with a convenient front USB port, making it easy to connect USB flash drives or portable music players. This connectivity option allows for quick and straightforward access to digital music libraries, ensuring that users have their favorite tracks readily available. Moreover, auxiliary inputs make it simple to hook up smartphones or other audio devices, catering to modern connectivity needs.

Another important characteristic of these models is their compatibility with various streaming services. Users can connect their smartphones via Bluetooth (in models that support it) for hands-free calling and easy access to streaming applications. This feature not only promotes safety while driving but also enhances the overall user experience.

In terms of display, both models feature bright and clear screens that make navigation simple, even in low-light conditions. The intuitive interface allows users to control playback and adjust settings with ease, enhancing convenience and focus while driving.

Overall, the Pioneer DEH-P4400 and DEH-P44 are excellent choices for anyone seeking an upgrade in their vehicle’s audio system. With high-quality sound reproduction, versatile connectivity options, and user-friendly design, these models represent a perfect blend of technology and practicality, reflecting Pioneer's long-standing dedication to delivering exceptional audio experiences.
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