1. Einleitung
This manual provides detailed instructions for the installation, operation, and maintenance of your Gravity Audio 1200W 12" Premium Car Subwoofer Kit. This comprehensive package includes a Gravity 12-inch subwoofer, an Audiobank 3000W Class D amplifier, an Audiotek single 12-inch vented subwoofer enclosure, and a complete amplifier installation kit. Please read this manual thoroughly before attempting installation or operation to ensure proper use and maximum performance.

Abbildung 1.1: Überview of the Gravity Audio 1200W 12" Premium Car Subwoofer Kit components.
2. Sicherheitshinweise
Beachten Sie bei der Installation und dem Betrieb stets die folgenden Sicherheitsvorkehrungen:
- Professionelle Installation empfohlen: Wenn Sie sich bezüglich irgendeines Aspekts der Installation unsicher sind, konsultieren Sie einen qualifizierten Car-Audio-Techniker.
- Batterie abklemmen: Vor Beginn jeglicher elektrischer Arbeiten muss immer der Minuspol der Fahrzeugbatterie abgeklemmt werden, um Kurzschlüsse und Stromschläge zu vermeiden.
- Richtige Verdrahtung: Use appropriate gauge wiring as specified in this manual and ensure all connections are secure and insulated to prevent shorts.
- Belüftung: Stellen Sie sicher, dass amplifier is mounted in a location with adequate airflow to prevent overheating.
- Hindernisse vermeiden: Do not mount components in locations that obstruct airbags, driver visibility, or vehicle controls.
- Gehörschutz: Längere Einwirkung hoher Lautstärken kann zu dauerhaften Hörschäden führen. Seien Sie beim Einstellen der Lautstärke vorsichtig.
3. Packungsinhalt
Überprüfen Sie, ob alle Artikel in Ihrem Paket vorhanden sind:
- Gravity 12" 1200W Peak Power Subwoofer (GR-12PW)
- Audiobank 3000W Class D Monoblock Amplifier (P3001)
- Audiotek Single 12 Inch Vented Subwoofer Enclosure (CA-12SP)
- Vollständig Amplifier Installation Kit (Power Cable, Ground Cable, Remote Turn-On Wire, RCA Interconnects, Speaker Wire, Fuse Holder, Fuse, Terminals, Zip Ties)

Abbildung 3.1: Inhalt der amplifier installation kit, including various cables, fuse, and terminals.
4. Einrichtung und Installation
Follow these steps for proper installation of your car audio system. Ensure the vehicle's battery is disconnected before proceeding.
4.1 Subwoofer Installation into Enclosure
- Carefully place the Gravity 12" subwoofer into the opening of the Audiotek vented enclosure. Ensure the mounting holes align.
- Secure the subwoofer using appropriate screws (not included, typically self-tapping wood screws) through the mounting holes into the enclosure. Do not overtighten.
- Connect speaker wire from the subwoofer's terminals to the enclosure's internal terminals. Observe polarity: positive (+) to positive, negative (-) to negative.

Abbildung 4.1: Vorderseite view of the Gravity 12-inch subwoofer, showing the cone and surround.

Abbildung 4.2: Vorderseite view of the Audiotek single 12-inch vented subwoofer enclosure.
4.2 Amplifier Montage
Choose a secure, well-ventilated location for the Audiobank amplifier, such as the trunk or under a seat. Ensure it is away from moisture and direct sunlight.
- Mark the mounting holes on the chosen surface.
- Drill pilot holes if necessary, taking care not to damage any vehicle components.
- Sichern Sie die amplifier using appropriate screws.

Abbildung 4.3: Oben view of the Audiobank 3000W Class D Monoblock Ampschwerer.
4.3 Kabelverbindungen
Weitere Informationen finden Sie im amplifier's rear panel for terminal locations. Use the provided ampInstallationssatz für den Luftreiniger.
- Stromkabel (+12V): Run the thick red power cable from the vehicle's positive battery terminal to the amplifier's +12V terminal. Install the fuse holder within 18 inches of the battery and insert the fuse.
- Erdungskabel (GND): Connect the thick black ground cable from the ampVerbinden Sie den GND-Anschluss des Verstärkers mit einer sauberen, unlackierten Metalloberfläche am Fahrzeugchassis. Achten Sie auf eine sichere Verbindung mit niedrigem Widerstand.
- Remote-Einschaltdraht (REM): Connect the blue remote wire from your head unit's remote output to the ampDer REM-Anschluss des Verstärkers wird dadurch aktiviert. ampVerstärker mit Ihrem Autoradio ein-/ausschalten.
- RCA Interconnects: Connect the RCA cables from your head unit's subwoofer or full-range pre-outs to the ampRCA-Eingangsbuchsen des Verstärkers.
- Lautsprecherausgang: Connect the speaker wire from the enclosure's external terminals to the amplifier's speaker output terminals. Ensure correct polarity.

Figure 4.4: Rear panel of the Audiobank ampVerstärker mit Anschlüssen für Strom, Masse, Fernbedienung und Lautsprecherausgang.

Figure 4.5: Speaker terminal on the Audiotek subwoofer enclosure for connecting to the ampschwerer.
5. Bedienungsanleitung
Once all connections are made and verified, reconnect the vehicle's negative battery terminal.
5.1 Initial Power-Up and Basic Settings
- Schalten Sie die Zündung und das Autoradio Ihres Fahrzeugs ein. ampDie Betriebsanzeige des Verstärkers sollte aufleuchten.
- Beginnen Sie mit dem amplifier's GAIN control set to minimum (fully counter-clockwise).
- Set the head unit's volume to about 75% of its maximum.
- Erhöhen Sie langsam die amplifier's GAIN control until you hear distortion, then back it off slightly. This sets the maximum clean output.
5.2 Amplifier-Bedienelemente
The Audiobank P3001 amplifier features several controls for fine-tuning your subwoofer's performance:
- DAZUGEWINNEN: Adjusts the input sensitivity to match the output of your head unit. (See 5.1)
- LPF (Tiefpassfilter): This control sets the upper frequency limit for the subwoofer. Typically set between 80Hz and 120Hz. Frequencies above this setting will be filtered out.
- BASS-BOOST: Provides an increase in bass output at a specific frequency. Use sparingly to avoid distortion and potential damage.
- PHASE: Allows you to adjust the phase of the subwoofer output (0 or 180 degrees) to ensure it blends seamlessly with your main speakers. Experiment with both settings to find the best sound.
6. Wartung
Your Gravity Audio Subwoofer Kit requires minimal maintenance to ensure long-term performance.
- Reinigung: Periodically wipe down the amplifier and subwoofer enclosure with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Verbindungsprüfungen: Annually, inspect all wiring connections for tightness and corrosion. Re-tighten any loose connections.
- Belüftung: Stellen Sie sicher, dass amplifier's cooling fins remain free of dust and debris to maintain proper heat dissipation.
7. Fehlerbehebung
If you experience issues with your subwoofer kit, consult the following table before seeking professional assistance:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Kein Ton vom Subwoofer |
|
|
| Verzerrter Klang |
|
|
| AmpVerstärkerüberhitzung |
|
|
8. Spezifikationen
Gravity 12" Subwoofer (GR-12PW)
- Lautsprechertyp: Subwoofer
- Subwoofer-Durchmesser: 12 Zoll
- Voice Coil Configuration: Dual 4 Ohm
- Spitzenleistung: Jeweils 1200 Watt
- RMS-Leistung: Jeweils 600 Watt
- Frequenzgang: 30 - 2.5 kHz
- Empfindlichkeit: 90 dB
- Kegelmaterial: Competition Grade Pressed Paper Cone
- Umgeben: High Roll Foam Surround
- Kühlsystem: Advanced Air Flow Cooling System
Audiobank 3000W Class D Amplifier (P3001)
- Typ: Klasse D Monoblock Ampschwerer
- Spitzenleistung: 3000 Watts (Total Package)
- Steuerung: Gain, LPF, Bass Boost, Phase
Audiotek Single 12 Inch Vented Enclosure (CA-12SP)
- Design: Belüftet (Ported)
- Material: High Quality Gray Carpet
- Abmessungen: Approximately 18"W x 16"D x 14"H (External)

Figure 8.1: Dimensions of the Audiotek single 12-inch vented subwoofer enclosure.
9. Garantie und Support
This product comes with a Limited Warranty. For specific details regarding warranty coverage, duration, and terms, please refer to the warranty card included with your purchase or contact Gravity Audio customer support directly.
Kundenservice
For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact your retailer or Gravity Audio customer service. Have your product model number (GR-12PW + P3001 + CA-12SP + Kit) and purchase date available when contacting support.