Manuals / Pioneer / Car Audio and Video / Car Stereo System

Pioneer DEH-P640 Adjusting bass, Adjusting loudness, Adjusting treble, Using subwoofer output

Models: DEH-P640

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Section

06Audio Adjustments

Adjusting bass

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

•In FRT1 mode, bass adjustment affects only the rear output: front output cannot be adjusted.

1 Press AUDIO to select Bass.

Press AUDIO until Bass appears in the display.

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

40—63—100—160 (Hz)

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

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)—High(high)

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

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 Treble.

Press AUDIO until Treble appears in the display.

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

2.5k—4k—6.3k—10k (Hz)

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

Using subwoofer output

This unit is equipped with a subwoofer output which can be switched on or off.

1 Press AUDIO to select Sub-W1.

When the subwoofer controller setting is S.W Control:EXT, you cannot select Sub-W1. Press AUDIO until Sub-W1appears in the display.

2Press 5 to turn subwoofer output on. Sub-W1 Normal appears in the display. Subwoofer output is now on.

• You can turn off subwoofer output by pressing

∞.

3Press 2 or 3 to select the phase of sub- woofer output.

Press 2 to select reverse phase and Rev. appears in the display. Press 3 to select normal phase and Normal appears in the display.

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Pioneer DEH-P640 operation manual Adjusting bass, Adjusting loudness, Adjusting treble, Using subwoofer output
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DEH-P640 specifications

The Pioneer DEH-P640 is a versatile and feature-rich car stereo that delivers a superior audio experience for those who appreciate high-quality sound on the road. Renowned for its exceptional sound quality and user-friendly design, the DEH-P640 integrates various technologies and characteristics that enhance both functionality and convenience.

One of the standout features of the DEH-P640 is its Direct Sound Control function. This allows users to fine-tune their audio settings to achieve a personalized sound profile. The unit is equipped with a 4-band equalizer, enabling precise adjustments of frequencies to suit individual preferences and the acoustics of the vehicle. Additionally, the DEH-P640’s built-in MOSFET amplifier provides robust power output, ensuring that music sounds rich and detailed, enhancing the listening experience.

Another notable aspect of the DEH-P640 is its compatibility with a wide array of audio formats. It supports both CD and MP3 playback, giving users the option to enjoy their favorite tracks from traditional CDs or digital music libraries. The front panel features a convenient auxiliary input, allowing for direct connection of portable devices, such as smartphones and MP3 players. Furthermore, the unit is equipped with a USB port, enabling access to USB flash drives containing music files.

The DEH-P640 also incorporates advanced technologies for improved user interaction. Its bright, easy-to-read display keeps users informed about the current track and settings. Additionally, the stereo features customizable colors for the display and buttons, allowing users to match the unit with their vehicle's interior aesthetic. The simple interface ensures that adjustments can be made with minimal distractions, promoting safer driving.

For those who appreciate the processing power of digital audio, the DEH-P640 includes features such as Sound Retriever and Advanced Sound Retriever, which enhance compressed audio files by restoring lost frequencies, resulting in a more vibrant and engaging listening experience.

The DEH-P640 is designed not just for music lovers, but also for those seeking a comprehensive multimedia experience. With its range of features, high-quality sound output, and user-friendly interface, this car stereo has cemented its place as a popular choice among consumers looking to enhance their in-car audio experience. Overall, the Pioneer DEH-P640 is an excellent investment for anyone looking to elevate their daily commutes or road trips with exceptional sound quality and technological sophistication.