1. Entwodiksyon
The Alpine PWE-S8 is a compact, powered 8-inch subwoofer designed to enhance your vehicle's audio system with powerful and accurate bass. Its integrated amplifier and shallow-mount design allow for flexible installation in various vehicle types, including under or behind seats, in trunks, or in SUV hatches. This manual provides essential information for the proper installation, operation, and maintenance of your PWE-S8 subwoofer.
2. Enfòmasyon sou Sekirite
- Sekirite elektrik: Always disconnect the vehicle's negative battery terminal before beginning any installation. Ensure all wiring is correctly connected and fused to prevent electrical shorts or damage.
- Sekirite machin: Mount the subwoofer securely to prevent it from becoming a projectile during sudden stops or collisions. Do not obstruct vehicle controls or safety devices.
- Pwoteksyon pou tande: Prolonged exposure to high volume levels can cause permanent hearing damage. Adjust volume to a safe and comfortable level.
- Enstalasyon pwofesyonèl: If you are unsure about any part of the installation process, it is recommended to seek assistance from a qualified professional installer.
3. Pake kontni
Verifye ke tout atik yo prezan nan pakè a:
- Alpine PWE-S8 Powered Subwoofer Unit
- Wiring Harness (Power/Speaker Level Input)
- Remote Bass Level Control Knob with Cable
- Materyèl pou monte (sipò, vis)
- Manyèl Pwopriyetè a (dokiman sa a)
4. Pwodwi souview
The PWE-S8 features a durable cast aluminum enclosure housing an 8-inch subwoofer and a built-in Class D amplifier. Its compact dimensions allow for versatile placement within your vehicle.

Figi 4.1: Devan view of the Alpine PWE-S8 subwoofer, showcasing its compact design and protective grille.

Figure 4.2: Alpine PWE-S8 subwoofer with approximate dimensions (15 inches / 37 cm in length shown for reference).
4.1 Kontwòl ak Koneksyon Panèl Dèyè a
The rear panel provides all necessary connections and adjustment controls for integrating the subwoofer into your audio system.

Figi 4.3: Detaye view of the PWE-S8 rear panel, showing input and control options.
- FAZ Chanjman: Adjusts the phase of the subwoofer output (0° or 180°).
- Kontwòl GAIN: Matches the input sensitivity of the subwoofer to the output of your head unit.
- LP CROSSOVER Control: Sets the low-pass filter frequency (typically 50Hz-150Hz).
- REMOTE SUB LEVEL Input: Connects the wired remote bass level control.
- Antre RCA: For connecting to head units with RCA pre-outs.
- SPEAKER LEVEL INPUTS: For connecting to head units without RCA pre-outs, using speaker wires.
- POWER/GROUND/REMOTE Terminal: For main power, ground, and remote turn-on connections.
5. Enstalasyon ak Enstalasyon
Careful installation is crucial for optimal performance and safety. Plan your wiring and mounting location before beginning.
5.1 Kote montaj
The compact design of the PWE-S8 allows for flexible mounting:
- Under a seat (ensure adequate clearance and ventilation).
- Behind a seat (in trucks or SUVs).
- Nan kòf yon sedan.
- In the hatch area of an SUV.
Ensure the chosen location is dry, well-ventilated, and does not interfere with vehicle operation or passenger safety. Secure the unit using the provided mounting hardware.
5.2 Koneksyon fil elektrik
Follow these general guidelines for wiring. Refer to the detailed wiring diagram in the full owner's manual for specific connections.
- Pouvwa (BAT+): Connect the main power wire directly to the vehicle's positive battery terminal. Use an appropriate gauge wire and install a fuse (not supplied, typically 15A-20A) within 18 inches of the battery.
- Tè (GND): Konekte fil tè a ak yon sifas metal pwòp, ki pa pentire nan chasi machin nan. Asire w ke koneksyon elektrik la solid.
- Aktivite a distans (REM): Connect this wire to the remote turn-on output of your head unit. This signal turns the subwoofer on and off with your audio system. If your head unit lacks a remote output, some units can use speaker-level input sensing for automatic turn-on.
- Antre odyo:
- Antre RCA: Connect RCA cables from your head unit's subwoofer pre-out or full-range pre-outs to the RCA INPUTS on the PWE-S8.
- Antre Nivo Oratè: If using speaker-level inputs, connect the vehicle's speaker wires (front or rear) to the SPEAKER LEVEL INPUTS on the PWE-S8 wiring harness.
- Kontwòl nivo bas a distans: Connect the provided remote control cable to the REMOTE SUB LEVEL input on the PWE-S8. Mount the control knob in an accessible location for easy adjustment.
6. Operasyon ak Ajisteman
Once installed, fine-tune the subwoofer's settings for optimal sound integration with your vehicle's audio system.
- Kontwòl GAIN: Start with the gain control at its minimum setting. Play music with strong bass and slowly increase the gain until the subwoofer output blends smoothly with your main speakers without distortion. Avoid setting the gain too high, as this can cause clipping and damage.
- LP CROSSOVER Control: Adjust this control to set the upper frequency limit for the subwoofer. A common starting point is between 80Hz and 100Hz. Experiment to find the setting that provides the best blend with your main speakers, ensuring bass notes are localized to the front of the vehicle rather than the subwoofer's location.
- FAZ Chanjman: Listen to music with strong bass. Toggle the phase switch between 0° and 180°. Choose the setting that produces the loudest and most impactful bass response. This corrects any phase cancellation issues between the subwoofer and main speakers.
- Kontwòl nivo bas a distans: Use this knob to conveniently adjust the subwoofer's output level from your driving position, allowing for on-the-fly adjustments based on music genre or personal preference.
7. Antretyen
The Alpine PWE-S8 requires minimal maintenance to ensure long-lasting performance.
- Netwayaj: Use a soft, dry cloth to wipe the exterior of the unit. Do not use harsh chemicals or abrasive cleaners.
- Vantilasyon: Ensure that the subwoofer's heat sinks and ventilation areas are not obstructed to prevent overheating.
- Koneksyon: Tcheke tout koneksyon fil elektrik yo detanzantan pou asire yo byen fèm epi yo pa gen korozyon.
NAN. Depanaj
If you experience issues with your PWE-S8, consult the following table before seeking professional service.
| Pwoblèm | Kòz posib | Solisyon |
|---|---|---|
| Pa gen kouran/Pa gen limyè endikatè | Fuzib boule; Koneksyon kouran/tè ki lach; Pa gen siyal demaraj a distans. | Check and replace fuse; Verify all power and ground connections; Check remote turn-on wire from head unit. |
| Pa gen son ki soti nan subwoofer la | No audio input signal; Gain set too low; Head unit settings incorrect. | Verify RCA or speaker level input connections; Increase gain control; Check head unit's subwoofer output or balance settings. |
| Son defòme | Gain set too high; Input signal too strong; Damaged speaker. | Reduce gain control; Check head unit's output level; If distortion persists at low gain, speaker may be damaged (contact support). |
| Weak or unclear bass | Phase incorrect; LP Crossover set too low; Subwoofer not properly blended. | Toggle PHASE switch; Adjust LP CROSSOVER frequency higher; Re-adjust GAIN for proper blend. |
9. Espesifikasyon
Technical specifications for the Alpine PWE-S8 powered subwoofer:
- RMS pouvwa: 120 Watts
- Peak Peak: 240 Watts
- Gwosè subwoofer: 8 pous
- Repons frekans: 32 Hz - 150 Hz
- AmpKalite lifier: Klas D
- Materyèl patiraj: Jete aliminyòm
- Dimansyon (Apeprè): 13.5" (L) x 9" (W) x 3" (D)
- Sansiblite Antre: RCA (0.1V - 4.0V), Speaker Level (0.5V - 10V)
- Crossover Low-Pass: 50 Hz - 150 Hz (variable)
- Faz kontwòl: 0° / 180° (selectable)
- Koneksyon: RCA, Speaker Level
- Pwa atik: 11 liv
10. Garanti ak sipò
Alpine products are designed for reliability and performance. This product is covered by a limited warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Alpine websit.
For technical support, product registration, or to locate an authorized service center, please visit the official Alpine USA website or contact Alpine customer service directly. Contact information can typically be found on the Alpine websit la oubyen nan anbalaj pwodwi ou a.





