Sound Setting

SOURCE/POWER

Rotary encoder

BAND MENU

MODE

Adjusting Bass/Treble/Balance (Between

Left and Right)/Fader (Between Front

and Rear)/Defeat

1Press MODE repeatedly to choose the desired mode.

Each press changes the mode as follows:

BASS TREBLE SUBWOOFER*1 BALANCE FADER

DEFEAT VOLUME BASS

Bass level: –7 ~ +10

Treble level: –7 ~ +7

Subwoofer: 0 ~ +15

Balance: L15 ~ R15

Fader: R15 ~ F15

Defeat: ON/OFF

Volume: 0 ~ 35

•If MODE is not pressed within 5 seconds after selecting the BASS, TREBLE, BALANCE, FADER, DEFEAT or SUBWOOFER mode, the unit automatically returns to normal mode.

*1 When the subwoofer mode is set to OFF, its level cannot be adjusted.

2Turn the Rotary encoder until the desired sound is obtained in each mode.

By setting Defeat ON, previously adjusted settings of BASS and TREBLE will return to the factory defaults.

•Depending on the connected devices, some functions and display indications do not work.

Setting the Bass Control

You can change the Bass Frequency emphasis to create your own tonal preference.

1Press MENU to select the BASS ENGINE mode, then press MODE.

BBE BASS ENGINE SETUP RETURN (OFF) BBE

2Press or to select the BASS (Bass Center Frequency) control mode.

BASS TREBLE

Setting the Bass Center Frequency

3-1 Press SOURCE/POWER to select the desired bass center frequency.

80Hz 100Hz 120Hz 60Hz 80Hz

Emphasize the displayed bass frequency ranges.

Setting the Bass Bandwidth

3-2 Press BAND to select the desired bass bandwidth.

Change the boosted bass bandwidth to wide or narrow. A wide setting will boost a wide range of frequencies above and below the center frequency. A narrower setting will boost only frequencies near the center frequency.

Setting the Bass Level

3-3*Turn the Rotary encoder to select the desired bass level (–7~+10).

You can emphasize or weaken the bass level.

4Press MENU to select RETURN.

After 2 seconds, the unit returns to normal mode. Pressing and holding MENU for at least 2 seconds will return to normal mode.

•If no operation is performed within 60 seconds, the bass control setting will be turned off automatically.

•The bass level settings will be individually memorized for each source (FM, AM, CD, etc.) until the setting is changed. The bass frequency and bass bandwidth settings adjusted for one source are effective for all other sources (FM, AM, CD, etc.).

•Depending on the connected devices, some functions and display indications do not work. However, Bass Level is still adjustable if an audio processor with the Bass function is connected.

•This function is inoperable when DEFEAT is set to ON.

•While in the bass adjusting mode, TREBLE CONTROL adjusting

mode can be recalled by pressing or .

*The adjustment can also be made by pressing MODE. Refer to "Adjusting Bass/Treble/Balance (Between Left and Right)/Fader (Between Front and Rear)/Defeat" (page 13).

13-EN

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Alpine CDA-9857 owner manual Sound Setting, Left and Right/Fader Between Front Rear/Defeat, Setting the Bass Control
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CDA-9857 specifications

The Alpine CDA-9857 is a versatile single DIN car stereo that combines advanced sound quality with user-friendly features, making it a popular choice among car audio enthusiasts. Launched in the mid-2000s, it reflects Alpine's commitment to innovation, providing drivers with an exceptional listening experience. The CDA-9857 stands out due to its extensive sound tuning capabilities, allowing users to customize audio settings to suit their preferences.

One of the key features of the CDA-9857 is its 24-bit DAC (Digital-to-Analog Converter), which enhances sound clarity and detail. This technology significantly improves audio playback quality, making music sound crisp and well-defined across all genres. Additionally, the stereo supports multiple audio formats, including MP3, WMA, and AAC, ensuring compatibility with various media sources.

The CDA-9857 is equipped with a built-in EQ, featuring customizable presets and a 3-band parametric EQ. This allows users to adjust the bass, midrange, and treble frequencies independently, tailoring the audio output to match the acoustics of their vehicle. Furthermore, the stereo includes Alpine's proprietary “Media Xchange” technology, which enables the connection of external devices, like iPods and USB drives, thus allowing easy access to vast music collections.

For those who prioritize connectivity, the CDA-9857 features AUX inputs, a front USB port, and is compatible with Bluetooth hands-free calling when paired with a Bluetooth adapter, ensuring safety and convenience while driving. The unit also includes a convenient remote control, allowing easy navigation of its numerous options without having to reach for the dial.

Visually, the CDA-9857 boasts an attractive design, featuring a vibrant blue illuminated display that enhances readability and complements most car interiors. Its ergonomic controls make it user-friendly, enabling quick adjustments while on the go.

Overall, the Alpine CDA-9857 stands out as a feature-rich unit with a robust set of technologies designed to enhance the car audio experience. With its exceptional sound quality, customizable features, and excellent connectivity options, the CDA-9857 remains a solid choice for anyone looking to improve their in-car entertainment system.
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