Audison APBMW-S8-4

Audison AP BMW S8-4 Prima Serie 8-Zoll-Subwoofer Bedienungsanleitung

Model: APBMW-S8-4

1. Einleitung

This manual provides detailed instructions for the installation, operation, and maintenance of the Audison AP BMW S8-4 Prima Series 8-inch (200mm) Subwoofer. This subwoofer is specifically designed for direct replacement of OEM speakers in BMW vehicles, optimizing performance within the factory under-seat enclosure.

Audison AP BMW S8-4 Prima Series Subwoofer

Bild 1.1: Vorderseite view of the Audison AP BMW S8-4 Prima Series Subwoofer.

2. Lieferumfang

Packen Sie den Inhalt vorsichtig aus und vergewissern Sie sich, dass alle Artikel vorhanden sind:

  • Audison AP BMW S8-4 Subwoofer(s)
  • Two (2) 5 mm polyurethane gaskets
  • Crossover (if applicable to your system configuration)
  • Befestigungsschrauben
  • Benutzerhandbuch (dieses Dokument)
  • Garantieinformationen
Audison AP BMW S8-4 Subwoofer packaging box

Image 2.1: Product packaging for the Audison AP BMW S8-4 Subwoofer.

Two 5mm polyurethane gaskets for Audison AP BMW S8-4 Subwoofer

Image 2.2: Included 5mm polyurethane gaskets for optimal fit.

3. Funktionen

The Audison AP BMW S8-4 Subwoofer incorporates several design elements for enhanced performance and compatibility:

  • Neodymium Magnetic Group: Maximizes performance while minimizing bulk and weight.
  • BMW-Mini Optimized Electroacoustic Parameters: Engineered to deliver powerful and clear low frequencies, utilizing the acoustic load provided by the factory enclosure.
  • 38 mm Voice Coil: Wound on an aluminum support for significant power dissipation and stability, even during high excursions.
  • ABS Plastic Basket: Reinforced with fiberglass for durability and minimal installation depth.
  • Front Magnet Design: Contributes to a minimal installation depth, ensuring compatibility with the entire range of BMW under-seat enclosures.
  • 4 Ohm Impedanz: The S8-4 model is designed with a 4 ohm impedance, suitable for system configurations where amplifiers can be bridged to deliver higher power.
Audison AP BMW S8-4 Subwoofer cone and voice coil area

Bild 3.1: View of the subwoofer cone and central voice coil area.

4. Spezifikationen

SpezifikationWert
ModellnummerAPBMW-S8-4
KomponenteTieftöner
Belastbarkeit (Dauerbetrieb)150 W RMS
Belastbarkeit (Spitze)300 W
Impedanz4 Ohm
Frequenzgang35 ÷ 500 Hz
Artikelgewicht3 Pfund (1.36 kg)
Produktabmessungen (L x B x H)9.41 x 9.41 x 7.52 Zoll (23.9 x 23.9 x 19.1 cm)
Schwingspulendurchmesser38 mm
MagnettypNeodym
Technical drawing with dimensions of Audison AP BMW S8-4 Subwoofer

Image 4.1: Technical drawing illustrating the dimensions of the subwoofer.

5. Einrichtung und Installation

The Audison AP BMW S8-4 subwoofer is designed for a direct replacement installation in BMW vehicles, specifically fitting into the factory under-seat enclosures. Professional installation is recommended to ensure optimal performance and avoid damage to the vehicle's electrical system.

5.1. Prüfungen vor der Installation

  • Verify the subwoofer's impedance (4 Ohms for S8-4) is compatible with your ampAusgang des Verstärkers.
  • Vor Beginn der Installation muss sichergestellt werden, dass die Fahrzeugbatterie abgeklemmt ist.
  • Confirm the factory under-seat enclosure is clean and free of debris.

5.2. Installationsschritte

  1. Carefully remove the existing OEM speaker from the under-seat enclosure. Refer to your vehicle's service manual for specific removal procedures.
  2. Place the provided 5 mm polyurethane gaskets onto the subwoofer's mounting surface. These gaskets ensure a perfect seal and decouple the subwoofer from vibrations within the enclosure.
  3. Position the Audison AP BMW S8-4 subwoofer into the factory enclosure. The design allows for a minimal installation depth, ensuring a proper fit.
  4. Secure the subwoofer using the provided mounting screws. Do not overtighten.
  5. Connect the subwoofer wiring to your amplifier. Pay close attention to polarity (+/-) to ensure correct phase.
  6. Reconnect the vehicle's battery and proceed to system testing.
Seite view of Audison AP BMW S8-4 Subwoofer showing mounting points

Abbildung 5.1: Seitenansichtfile of the subwoofer, highlighting its compact design for under-seat installation.

6. Betrieb

Once installed, proper tuning of your audio system is crucial for optimal subwoofer performance. The AP BMW S8-4 is designed to integrate seamlessly with your vehicle's acoustics.

6.1. Erste Inbetriebnahme und Tests

  • After installation, turn on your car's audio system at a low volume.
  • Listen for any unusual noises or distortion. If present, immediately turn off the system and re-check all connections.
  • Gradually increase the volume and adjust the subwoofer level on your head unit or ampschwerer.

6.2. System Tuning

For the best audio experience, consider the following:

  • Crossover-Einstellungen: Stellen Sie den Tiefpassfilter an Ihrem Gerät ein. amplifier or head unit to prevent higher frequencies from reaching the subwoofer. A common starting point is around 80-100 Hz, but this may vary based on your full-range speakers.
  • Phasenanpassung: Experimentieren Sie mit der Phaseneinstellung (0° oder 180°) an Ihrem Gerät. amplifier or head unit to achieve the most cohesive bass response with your front speakers.
  • Verstärkungseinstellung: Passen Sie die amplifier gain to match the output voltage of your head unit. Avoid setting the gain too high, as this can lead to distortion and potential damage.
  • Digitaler Soundprozessor (DSP): If using a DSP (e.g., Audison AP 8.9 bit), utilize its capabilities for precise equalization, time alignment, and crossover adjustments to maximize the subwoofer's performance.

7. Wartung

The Audison AP BMW S8-4 subwoofer requires minimal maintenance to ensure long-term performance.

  • Reinigung: Periodically clean the subwoofer's grille and surrounding areas with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
  • Umweltfaktoren: Protect the subwoofer from excessive moisture, extreme temperatures, and direct sunlight, which can degrade materials over time.
  • Inspektion: Überprüfen Sie gelegentlich die Kabelverbindungen, um sicherzustellen, dass sie fest sitzen und frei von Korrosion sind.

8. Fehlerbehebung

If you encounter issues with your Audison AP BMW S8-4 subwoofer, refer to the following common troubleshooting steps:

8.1. No Sound from Subwoofer

  • Verbindungen prüfen: Ensure all power, ground, remote, and signal cables are securely connected to both the ampVerstärker und Subwoofer.
  • Amplifier-Status: Überprüfen Sie, ob Ihr amplifier is powered on (indicated by a power light) and not in protection mode.
  • Einstellungen des Hauptgeräts: Confirm that the subwoofer output is enabled and the volume is turned up on your head unit.
  • Sicherungsprüfung: Überprüfen Sie die amplifier's fuse and the main power fuse for the audio system. Replace if blown.

8.2. Distorted or Weak Bass

  • Verstärkungseinstellung: Passen Sie die amplifier gain. If set too high, it can cause distortion. If too low, it can result in weak bass.
  • Crossover-Einstellungen: Incorrect crossover settings can lead to distortion or a lack of impact. Adjust the low-pass filter.
  • Phase: Incorrect phase can cause cancellation with other speakers, leading to weak bass. Adjust the phase setting.
  • Gehäuseintegrität: Ensure the subwoofer is properly sealed within its enclosure. Air leaks can cause poor performance.

8.3. Intermittent Sound

  • Lose Verbindungen: Re-check all wiring for any loose or corroded connections.
  • Signal Cable Interference: Ensure RCA cables are routed away from power cables to prevent noise.

If these steps do not resolve the issue, contact Audison customer support or a qualified car audio technician.

9. Garantie und Support

The Audison AP BMW S8-4 Subwoofer comes with a 1 Jahr Herstellergarantie. Diese Garantie deckt Material- und Verarbeitungsfehler bei normalem Gebrauch ab.

9.1. Gewährleistungsansprüche

To make a warranty claim, please retain your proof of purchase and contact your authorized Audison dealer or Audison customer support. The warranty does not cover damage caused by improper installation, abuse, accident, neglect, or unauthorized modification.

9.2. Technischer Support

For technical assistance, installation guidance, or further inquiries, please visit the official Audison website or contact their customer support department. Contact information can typically be found on the Audison webauf der Website oder in der Ihrem Produkt beiliegenden Garantiedokumentation.

© 2025 Audison. Alle Rechte vorbehalten.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.