PWE-S8-WRA - Subwoofer ALPINE - Free user manual and instructions
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| Type | Powered Subwoofer |
| Woofer Size | 8 inches |
| Amplifier Type | Class D |
| RMS Power | 200 Watts |
| Frequency Response | 20 Hz - 200 Hz |
| Impedance | 4 ohms |
| Dimensions (H x W x D) | 9.5 x 10.5 x 9.5 inches |
| Weight | 12.5 lbs |
| Input Connections | RCA line-level, Speaker-level inputs |
| Controls | Level, Low-pass filter, Phase switch, Auto-on |
| Low-Pass Filter | 50 Hz - 200 Hz variable |
| Phase Control | 0/180 degrees |
| Auto Turn-On | Signal sensing (RCA/speaker level) |
| Enclosure Type | Ported |
| Grille | Removable metal mesh |
| Wiring | High-level input harness included |
| Cleaning | Wipe with dry or slightly damp cloth; avoid liquids |
| Safety | Do not expose to moisture; ensure adequate ventilation |
| Spare Parts | Contact Alpine support or authorized dealer |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - PWE-S8-WRA ALPINE
How do I connect the Alpine PWE-S8-WRA subwoofer to my factory stereo?
Use the included speaker-level input harness. Connect the wires to your speaker outputs (left and right) and plug into the subwoofer's speaker-level input. Adjust the input level accordingly.
What should I set the low-pass filter to?
For most systems, set the low-pass filter around 80-100 Hz. This ensures the subwoofer handles only low frequencies and blends well with your main speakers.
How does the auto turn-on feature work?
The subwoofer automatically turns on when it detects an audio signal from the RCA or speaker-level inputs. If no signal is present for several minutes, it enters standby mode.
Can I use both RCA and speaker-level inputs at the same time?
No, use only one input type at a time. Using both can cause signal interference or damage. Choose the input that best matches your source.
What is the ideal placement for this subwoofer in a car?
Place the subwoofer in the trunk or cargo area. For best sound, avoid corners; a location that allows the bass to couple with the cabin is ideal. Experiment with position.
Does the 0/180 phase switch matter?
Yes, it adjusts the timing of the subwoofer's output relative to your main speakers. Set to 0° for most installations; if bass sounds weak or reversed, try 180°.
What power wire size should I use?
Use an 8-gauge power wire for runs up to 20 feet, or 4-gauge for longer runs. Ensure the wire can handle the subwoofer's 200W RMS draw.
How do I clean the subwoofer grille and enclosure?
Remove the grille gently. Wipe both grille and enclosure with a soft, dry microfiber cloth. For stubborn dirt, slightly dampen the cloth with water, but avoid moisture entering the enclosure.
What is the warranty period and how do I get repairs?
Alpine offers a 1-year limited warranty. For repairs, contact Alpine customer support or an authorized dealer. Keep your receipt for proof of purchase.
Can I use this subwoofer in a home theater system?
While designed for car audio, it can be used at home with a 12V power supply. However, it may not perform as well as dedicated home subwoofers due to impedance and power requirements.
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