1. Gabatarwa
Thank you for choosing the Alpine PWE-7700W-EL Active Car Subwoofer. This ultra-thin, compact subwoofer is designed to deliver powerful bass and enhance your car audio experience. Featuring a built-in high-power amplifier, it offers strong sound penetration and a full sense of low volume, all within a size that can easily fit under a car seat for convenient and concealed installation.
2. Abubuwan Kunshin
Da fatan za a duba akwatin don abubuwa masu zuwa:
- 7"x7" Powered Subwoofer (x1)
- 14P Wire Group (x1)
- Installation Fixing Bracket (x4)
- Fixing Screws (for low bass) (x8)
- Fixing Screws (for car shaft) (x4)
- Magic Paste (for fixing body) (x2)
- Littafin mai amfani (x1)
3. Ƙayyadaddun bayanai
| Siffar | Ƙayyadaddun bayanai |
|---|---|
| Sunan Samfura | PWE-7700W-EL |
| Nau'in Abu | SUBWOOFERS |
| Matsakaicin ƙarfin RMS | 150W (Test voltagku 14.4V) |
| Max Peak Power | 300W (Test voltagku 14.4V) |
| Alamar sigina-zuwa-Noise Ratio | ≥90dB |
| Karya | ≤0.2% |
| Amsa Mitar | 10-150 Hz |
| High-Level Input Sensitivity | 1V |
| Low-Level Input Sensitivity | 100mV ku |
| Bukatar Wutar Lantarki | DC 14.4V (10-16V negative ground) |
| Yanayin Aiki | -20°C ~ 60°C |
| Ajiya Zazzabi | -40°C ~ 85°C |
| Rage Fuse | 25 A |
| Girman Abu (L x W x H) | 255mm x 190mm x 73mm (25.5 x 19 x 7.3 CM) |
| Cikakken nauyi | 3.9 kg |
Zane da ƙayyadaddun bayanai suna iya canzawa ba tare da sanarwa ba.
4. Shigarwa
The Alpine PWE-7700W-EL is designed for convenient and concealed installation, often fitting easily under a car seat due to its ultra-thin profile (73mm thickness).
4.1 Kariyar Tsaro
- Gargadi: If your car already has a subwoofer installed, you must disconnect its terminal before installing this product. Failure to do so may prevent proper installation or cause damage.
- Ensure the vehicle's battery is disconnected before starting any wiring.
- Consult a professional car audio installer if you are unsure about any steps.
- Mount the subwoofer securely using the provided brackets and screws to prevent movement during driving.
4.2 Haɗin Waya
Refer to the rear panel diagram and wiring harness for correct connections. The unit features both high-level (speaker level) and low-level (RCA) inputs.
- Ƙarfi (B+): Connect the yellow wire to the vehicle's positive battery terminal (12V DC). Ensure an in-line fuse (25A, as indicated on the unit) is installed close to the battery.
- Kasa (GND): Connect the black wire to a solid, unpainted metal point on the vehicle's chassis.
- Nesa (REM): Connect the blue wire to the remote turn-on output of your head unit. This will turn the subwoofer on/off with your car stereo.
- Shigar da Sigina:
- Ƙarƙashin shigarwa (RCA): Use the RCA cables (red for right, white for left) from your head unit's subwoofer or full-range pre-outs. Connect to the L+ and R+ terminals on the subwoofer's harness.
- Shigar da Babban Mataki (Matakin Magana): If your head unit does not have RCA outputs, connect the speaker wires directly to the CH1+, CH1-, CH2+, CH2- terminals on the subwoofer's harness. Ensure correct polarity.
- Ikon nesa: Connect the wired remote control (if included) to the 'REMOTE CONTROL' port for easy adjustment of bass levels.
5. Operation and Controls
The Alpine PWE-7700W-EL features several controls on its rear panel to fine-tune the audio output to your preference and match your vehicle's acoustics.
- Alamar Wuta: Illuminates when the subwoofer is powered on.
- PRO Indicator: Illuminates if the subwoofer detects a protection mode (e.g., overheating, short circuit).
- PHASE (0°/180°): Adjusts the phase of the subwoofer output. Set to 0° or 180° to ensure the subwoofer's output is in phase with the rest of your car's speakers, preventing cancellation and improving bass impact.
- LP FILTER (50Hz-150Hz): Low-Pass Filter. This control sets the upper frequency limit for the subwoofer. Frequencies above this setting will be filtered out. Adjust to blend smoothly with your main speakers.
- BASS BOOST (0dB - +12dB): Increases the bass output at a specific frequency. Use sparingly to avoid distortion.
- GAIN (MIN-MAX): Input sensitivity control. Adjust this to match the output level of your head unit. Start at MIN and slowly increase until the desired volume is achieved without distortion.
- AUTO ON/OFF Switch: When set to 'AUTO ON', the subwoofer will automatically turn on when it detects an audio signal and turn off shortly after the signal ceases. When set to 'OFF', the subwoofer will only turn on via the remote turn-on wire.
- REMOTE CONTROL Port: Connects to an optional wired remote control for convenient bass level adjustment from the driver's seat.
6. Kulawa
To ensure the longevity and optimal performance of your Alpine PWE-7700W-EL subwoofer, follow these simple maintenance guidelines:
- Tsaftacewa: Use a soft, dry cloth to wipe the exterior of the subwoofer. Do not use harsh chemicals, solvents, or abrasive cleaners, as these can damage the finish.
- Samun iska: Ensure that the subwoofer's vents are not obstructed, especially if installed under a seat. Proper airflow is crucial to prevent overheating.
- Haɗin kai: A riƙa duba duk hanyoyin haɗin waya lokaci-lokaci domin tabbatar da cewa suna da aminci kuma ba su da tsatsa. Haɗin da ya lalace na iya haifar da rashin aiki ko lalacewa.
- Sauya Fuse: If the subwoofer stops working, check the 25A fuse located on the rear panel. Replace it only with a fuse of the same rating (25A). Using a fuse with a higher rating can cause serious damage to the unit or your vehicle's electrical system.
7. Shirya matsala
If you experience issues with your subwoofer, refer to the following common problems and solutions:
| Matsala | Dalili mai yiwuwa | Magani |
|---|---|---|
| No power / Power indicator off |
|
|
| No sound / Low output |
|
|
| Karkataccen sauti |
|
|
| PRO indicator on |
|
|
If the problem persists after trying these solutions, please contact customer support or a qualified technician.
8. Tukwici masu amfani
Based on general user experiences with similar products:
- Mafi kyawun Matsayi: While designed for under-seat installation, experiment with placement to find the best bass response for your vehicle's interior. Sometimes, slight adjustments can make a significant difference.
- Gain Matching: Take your time to properly set the GAIN control. An improperly set gain is a common cause of distortion and can damage the subwoofer. It's generally best to set the head unit volume to about 75% of maximum, then slowly increase the subwoofer gain until you hear slight distortion, then back it off slightly.
- Daidaita Mataki: If your bass sounds weak or hollow, try flipping the PHASE switch between 0° and 180°. One setting will typically sound fuller and more impactful than the other.
9. Garanti da Tallafawa
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact your authorized Alpine dealer or the seller directly. Keep your proof of purchase for warranty claims.
