Section

Audio Adjustments 06

Adjusting subwoofer settings

When the subwoofer output is on, you can adjust the cut-off frequency and the output level of the subwoofer.

1Press AUDIO to select the Sub-W2. When the subwoofer output is on, you can select the Sub-W2. Press AUDIO until Sub-W2 80 (Hz) appears in the display.

• If the subwoofer setting has been previously adjusted, the frequency of that previously selected will be displayed, such as 50 (Hz) or 125 (Hz).

2Press 2 or 3 to select cut-off frequency. Press 2 and 50 (Hz) is displayed. Press 3 and

125(Hz) is displayed. Only frequencies lower than those in the selected range are output from the subwoofer.

3Press 5 or ∞ to adjust the output level of the subwoofer.

Each press of 5 or ∞ increases or decreases the level of the subwoofer (e.g., +6 to –6). Press 5 or ∞ until you see the desired value displayed.

Using non fading output

When the non fading output setting is on, the audio signal does not pass through this unit’s low pass filter (for the subwoofer), but is output through the RCA output.

1Press AUDIO to select non fading output on/off mode.

When the subwoofer controller setting is S.W Control:EXT, you can select non fading output on/off mode. Press AUDIO until NonFad ON appears in the display.

2Press 5 to turn non fading output on.

NonFad ON appears in the display. non fading output is now on.

• You can turn off non fading output by pressing

∞.

Adjusting non fading output level

When the non fading output is on, you can adjust the level of non fading output.

1Press AUDIO to select non fading output setting mode.

Press AUDIO until NonFad 0 appears in the dis- play.

2Press 5 or ∞ to adjust the output level of the non fading.

Each press of 5 or ∞ increases or decreases the level of the non fading (e.g., +6 to –6). Press 5 or ∞ until you see the desired value displayed.

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Pioneer DEH-P640 operation manual Using non fading output, Adjusting subwoofer settings, Adjusting non fading output level
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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.
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