Zavedení
The Infinity INFDSP4425 is a versatile 4-channel digital signal processor (DSP) with an integrated amplifier, designed to enhance your vehicle's audio system. It provides four finely-tuned and powered outputs, along with a dedicated subwoofer output. This unit accepts both RCA and speaker-level inputs, allowing for integration into various audio setups, including factory systems. The balanced differential inputs ensure optimal sound quality and noise rejection. This manual provides essential information for the proper installation, operation, and maintenance of your INFDSP4425.
Bezpečnostní informace
Please read all instructions carefully before installing or operating the INFDSP4425. Failure to follow these guidelines may result in injury, damage to the unit, or damage to your vehicle.
- Před zahájením jakýchkoli elektrických prací vždy odpojte záporný pól baterie vozidla.
- Ensure proper grounding for all components to prevent electrical hazards.
- Use appropriate wire gauges for power and speaker connections as specified in the installation guide.
- Mount the unit securely in a location that does not obstruct vehicle operation or safety features.
- Avoid mounting the unit in areas exposed to excessive heat, moisture, or direct sunlight.
- Pokud si nejste jisti některými kroky instalace, poraďte se s kvalifikovaným odborníkem.
- Tento produkt obsahuje chemikálie, o kterých je ve státě Kalifornie známo, že způsobují rakovinu a vrozené vady nebo jiná poškození reprodukce.
Co je v krabici
Před zahájením instalace ověřte, zda jsou všechny komponenty přítomny:
- 1x Infinity INFDSP4425 Digital Signal Processor/Ampdoživotní
- Wiring Harnesses (Power/Speaker Input, RCA Output)
- Montážní hardware
- Uživatelská příručka (tento dokument)
Nastavení
Fyzická instalace
Choose a mounting location that is dry, well-ventilated, and secure. Ensure there is sufficient space for wiring connections and heat dissipation. The unit can be mounted in various positions, such as under a seat, in the trunk, or behind a dashboard panel. Use the provided mounting hardware to secure the unit firmly to a solid surface.

Obrázek 1: Úhlové view of the Infinity INFDSP4425, illustrating its compact design and integrated mounting tabs for secure installation.
Připojení vodičů
The INFDSP4425 features clearly labeled wire connections for straightforward installation.
- Power (PWR): Connect the main power wire to the vehicle's positive battery terminal, ensuring an inline fuse is installed close to the battery.
- Zem (GND): Connect the ground wire to a clean, unpainted metal surface on the vehicle chassis.
- Dálkové ovládání (REM): Connect the remote turn-on wire to your head unit's remote output. Alternatively, the unit supports DC offset or audio signal sensing for automatic turn-on.
- Vstup: The DSP accepts both RCA (low-level) and speaker-level (high-level) inputs. Connect your audio source to the appropriate input terminals.
- výstup: Connect the speaker outputs to your vehicle's speakers and the subwoofer pre-out to an external subwoofer ampživější.

Obrázek 2: The Infinity INFDSP4425 with its various wiring harnesses connected, including RCA outputs (white and red connectors) and the multi-colored speaker-level input harness. This view highlights the comprehensive connectivity options.

Obrázek 3: Detailní view of the INFDSP4425's control panel, showing the remote port, turn-on mode switch (REM, DC, AUDIO), input level switch (LOW, HI), PC connection port, and the output/input wiring terminals.
Počáteční konfigurace
After physical installation, the INFDSP4425 requires configuration using its dedicated DSP software. This software allows for precise tuning of equalization, crossovers, time alignment, and other audio parameters. Connect the unit to a computer via the USB port (labeled PC) and download the software from the official Harman webmísto.
Návod k obsluze
The primary operation of the INFDSP4425 involves using the DSP software to customize your audio settings.
- Software DSP: Launch the DSP software on your connected computer. The interface provides controls for:
- Vyrovnání: Adjust the 31-band equalizer for each channel to fine-tune the frequency response.
- Crossovery: Set high-pass, low-pass, and band-pass filters for each speaker to direct appropriate frequencies.
- Časové zarovnání: Adjust the delay for each speaker to ensure sound arrives at the listening position simultaneously.
- Gain Control: Independently adjust the output level for each channel.
- Fázové řízení: Adjust the phase of individual channels to correct acoustic issues.
- Přepínač vstupní úrovně: Set the "INPUT LEVEL" switch on the unit to "LOW" for RCA inputs or "HI" for speaker-level inputs.
- Režim zapnutí: Select the desired turn-on mode using the "TURN-ON MODE" switch:
- REM: Uses a traditional remote turn-on wire from the head unit.
- DC: Detects a DC offset on the speaker-level inputs to turn on.
- AUDIO: Detects an audio signal on the speaker-level inputs to turn on.
Údržba
The Infinity INFDSP4425 requires minimal maintenance.
- Čištění: Periodically wipe the unit with a soft, dry cloth to remove dust. Do not use harsh chemicals or abrasive cleaners.
- Větrání: Ensure that the mounting location allows for adequate airflow around the unit to prevent overheating.
- Spojení: Pravidelně kontrolujte všechna kabelová připojení, abyste se ujistili, že jsou bezpečná a bez koroze.
Odstraňování problémů
If you experience issues with your INFDSP4425, refer to the following common problems and solutions:
| Problém | Možná příčina | Řešení |
|---|---|---|
| No power indicator (PWR LED off) |
|
|
| Žádný audio výstup |
|
|
| Zkreslený zvuk |
|
|
| DSP software freezes or does not connect |
|
|
Specifikace
| Název modelu | INFDSP4425 |
| Výstupní výkon | 4 x 25W RMS |
| Vstupní objemtage | 12V (16 Volts Max) |
| Aktuální losování | 15A |
| Konfigurace kanálů prostorového zvuku | 4.0 |
| Technologie připojení | USB (for DSP software) |
| Rozměry produktu (D x Š x V) | 3.35 cm x 15.16 cm x 7.2 cm |
| Hmotnost položky | 3.39 libry |
| Materiál | Metals, Plastics |
| Kontrolní metoda | Remote (via DSP software) |
| Doporučená použití | Audiosystémy do auta |
Informace o záruce
The Infinity INFDSP4425 comes with a limited warranty. For specific terms, conditions, and duration of the warranty, please refer to the warranty card included with your product or visit the official Infinity webUschovejte si doklad o koupi pro případ reklamace.
Podpora
For technical assistance, software downloads, or further inquiries regarding your Infinity INFDSP4425, please visit the official Harman website or contact Infinity customer support.
- Oficiální Webmísto: www.harman.com (Harman is the parent company of Infinity)
- Služby zákazníkům: Viz kontaktní informace uvedené na oficiálních stránkách webstránky pro váš region.





