Setting the Treble Control

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

1 Press and hold (IMPRINT) for at least 2 seconds.

The Sound Setup screen is displayed.

2 Rotate the Double Action encoder to select the “Treble Adjustment”, and then press /ENTER.

3 Press /ENTER.

The F0 setting screen is displayed.

4

Press

/ENTER.

5

Rotate the Double Action encoder to select the

 

desired treble center frequency, and then press

 

/ENTER.

 

10 kHz

12.5 kHz 15 kHz 17.5 kHz

Emphasizes the displayed treble frequency ranges.

6 Press and hold for at least 2 seconds to return to normal mode.

If is pressed during setting, the unit returns to the previous item.

The function is inoperable when Defeat is set to ON.

You can adjust the treble level in normal mode. For details, refer to “Adjusting Subwoofer/Bass/Treble/Balance (Between Left and Right)/ Fader (Between Front and Rear)/Loudness/Defeat” (page 18).

After the setting, storing the setting contents on the unit is recommended. For details, refer to “Storing the Audio Adjustment Level (User Preset)” (page 23).

Adjusting the High Pass Filter

The High Pass Filter on this unit can be adjusted to suit your personal taste.

1 Press and hold (IMPRINT) for at least 2 seconds. The Sound Setup screen is displayed.

2 Rotate the Double Action encoder to select “High Pass Filter Adjustment”, and then press /ENTER.

3 Rotate the Double Action encoder to select the desired HPF frequency, and then press /ENTER.

80 Hz 120 Hz 160 Hz off

4 Press to return to normal mode.

If is pressed during setting, the unit returns to the previous item.

The function is inoperable when Defeat is set to ON.

After setting, storing the setting contents is recommended. For how to store, refer to “Storing the Audio Adjustment Level (User Preset)” (page 23).

Turning Subwoofer ON/OFF

If an optional subwoofer is connected to the unit, make the following setting.

When the subwoofer is on, you can adjust the subwoofer output level (refer to page 18).

1 Press and hold (IMPRINT) for at least 2 seconds.

The Sound Setup screen is displayed.

2 Rotate the Double Action encoder to select

“Subwoofer”, and then press /ENTER.

3 Rotate the Double Action encoder to select ON/OFF, and then press /ENTER.

4 Press to return to normal mode.

If is pressed during setting, the unit returns to the previous item.

You can set the subwoofer output level in normal mode. Refer to “Adjusting Subwoofer/Bass/Treble/Balance (Between Left and Right)/ Fader (Between Front and Rear)/Loudness/Defeat” (page 18).

You can set the subwoofer system in SETUP mode. Refer to “Setting the Subwoofer (Subwoofer System)” (page 24).

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Alpine iDA-305 owner manual Setting the Treble Control, Adjusting the High Pass Filter, Turning Subwoofer ON/OFF, 19-EN

iDA-305 specifications

The Alpine iDA-305 is a cutting-edge car audio receiver designed to enhance your in-car entertainment experience. It embodies a sleek design, combining modern aesthetics with powerful technology, making it an ideal choice for avid music lovers and tech enthusiasts alike.

One of the standout features of the iDA-305 is its advanced digital media receiver abilities. Unlike traditional head units, the iDA-305 does not include a CD player, which allows for a compact design, reducing bulk while focusing on comprehensive connectivity options. Users can enjoy their favorite music through various sources, including USB, auxiliary input, and Bluetooth, making it compatible with numerous devices such as smartphones and tablets.

Bluetooth technology is one of the integral components of the iDA-305. It facilitates hands-free calling, allowing drivers to stay connected without losing focus on the road. Additionally, the dual Bluetooth feature enables simultaneous connections to two devices, allowing you to switch between your phone for calls and another for music seamlessly.

The iDA-305 supports high-resolution audio playback, ensuring that your listening experience is nothing short of exceptional. It is compatible with various audio formats, including MP3, AAC, and WMA, giving users the flexibility to enjoy their music in different file types without compromising quality.

The device boasts an intuitive user interface, featuring a vibrant display that can be adjusted for brightness based on ambient lighting, ensuring readability at all times. The responsive controls allow for easy navigation through your music library and settings, making it user-friendly, even while driving.

Sound customization is easily achievable with the Alpine iDA-305. It offers built-in equalizer settings, allowing users to tailor their audio experience according to their preferences. The digital time correction and crossover features enhance the sound quality, providing a more immersive listening experience.

Furthermore, the iDA-305 is designed to integrate seamlessly with various vehicles. Its compact design means it can fit into most dashboards without modification, ensuring a clean and factory-like appearance. The receiver is compatible with steering wheel controls, providing added convenience for users who want to manage their audio without taking their hands off the wheel.

Overall, the Alpine iDA-305 is a versatile and feature-rich car audio receiver. With its focus on digital media, advanced Bluetooth capabilities, intuitive controls, and customizable sound settings, it is tailored for those who demand quality and functionality in their in-car audio systems.