1. Kirish
Thank you for choosing the JBL Bass Pro LITE Compact Amplified Underseat Subwoofer. This manual provides essential information for the proper installation, operation, and maintenance of your new car audio component. Please read this manual thoroughly before attempting installation or operation to ensure optimal performance and safety.
2. Xavfsizlik ma'lumotlari
Always observe the following safety precautions when installing or operating the subwoofer:
- Har qanday elektr ishini boshlashdan oldin avtomobilning salbiy batareya terminalini ajratib oling.
- Shikastlanish yoki qisqa tutashuvlarning oldini olish uchun barcha simlar to'g'ri o'rnatilgan va mahkamlanganligiga ishonch hosil qiling.
- Belgilanganidek, quvvat va yerga ulash uchun mos o'lchov simlaridan foydalaning.
- Do not mount the subwoofer in a location that obstructs the driver's view or interferes with vehicle operation.
- Jihozni namlik yoki haddan tashqari haroratga ta'sir qilishdan saqlaning.
- Seek professional assistance if you are unsure about any part of the installation process.
3. Paket tarkibi
Carefully unpack your subwoofer and check that all items are present:
- JBL Bass Pro LITE Amplified Subwoofer Unit
- Wiring Harness (Power, Ground, Remote, Speaker Level Inputs)
- O'rnatish moslamalari (vintlar, qavslar)
- Foydalanuvchi uchun qo'llanma (ushbu hujjat)
- External Fuse (20A)

3.1-rasm: Paket tarkibi
4. Mahsulot tugadiview
Familiarize yourself with the various parts and controls of your JBL Bass Pro LITE subwoofer.
4.1 Old qismi View

Figure 4.1: Subwoofer Top View
4.2 Pastki View

Figure 4.2: Subwoofer Bottom View with Mounting Points
4.3 Boshqaruv paneli va ulanishlar

Figure 4.3: Control Panel and Connections
- 20A sug'urta: Provides overcurrent protection for the unit.
- Speaker In: High-level input for connecting to your car's speaker wires.
- Quvvat: Connection for 12V power, ground, and remote turn-on.
- Quvvat o'chirilishi: (If applicable, for daisy-chaining or powering other accessories - *Note: This is inferred from the image, actual functionality may vary. Consult a professional if unsure.*)
- Kalitni yoqish: Selects the method for turning the subwoofer on/off (Remote, DC Offset, Audio Sense).
- Fazali kalit (0°/180°): Sabvufer chiqishining fazasini asosiy karnaylarga nisbatan sozlaydi.
- Low Pass Filter (50-120Hz): Sabvuferning yuqori chastota chegarasini sozlaydi.
- Bass Boost (0-9dB): Increases the bass output at a specific frequency.
- Daromadni boshqarish: Kirish sezgirligini bosh qurilmangiz chiqishiga moslashtirish uchun sozlaydi.
- Qator: Low-level RCA input for connecting to your head unit's RCA outputs.
- Chiziq chiqishi: (If applicable, for passing through the audio signal to another amplifier - *Note: This is inferred from the image, actual functionality may vary. Consult a professional if unsure.*)
5. O'rnatish
Proper installation is crucial for performance and safety. If you are not confident in your ability to perform the installation, please consult a qualified car audio professional.
5.1 O'rnatish joyi
Choose a secure, dry location, typically under a seat, that allows for adequate ventilation and does not interfere with vehicle controls or passenger safety. Ensure the mounting surface is strong enough to support the subwoofer's weight.
5.2 Simli ulanishlar
- Quvvat (BATT +12V): Connect a suitable gauge power wire directly from the vehicle's positive battery terminal to the +12V input on the subwoofer's wiring harness. Install the provided 20A fuse within 18 inches (45 cm) of the battery.
- Yer (GND): Connect a suitable gauge ground wire from the subwoofer's wiring harness to a clean, unpainted metal surface on the vehicle's chassis. Ensure a good electrical connection.
- Masofadan yoqish (REM): Connect a wire from your head unit's remote output (usually blue/white) to the REM input on the subwoofer's wiring harness. If your head unit does not have a remote output, use the 'DC Offset' or 'Audio Sense' options on the 'Turn On' switch.
- Audio kirish:
- Past darajadagi kirish (RCA): Connect RCA cables from your head unit's subwoofer or full-range RCA outputs to the 'Line In' RCA inputs on the subwoofer.
- High-Level Input (Speaker In): If your head unit does not have RCA outputs, connect your vehicle's speaker wires directly to the 'Speaker In' terminals on the subwoofer's wiring harness. Observe correct polarity.
- Barcha ulanishlarni xavfsiz qiling: Double-check all wiring for proper polarity and secure connections.
6. Foydalanish va sozlashlar
Once installed, you can fine-tune the subwoofer's performance using the control panel.
- Daromadni boshqarish: Start with the gain control at its minimum setting. Play a familiar piece of music with strong bass. Slowly increase the gain until the bass output blends well with the rest of your audio system without distortion.
- Past o'tish filtri (LPF): Adjust the LPF to cut off frequencies above the desired range for the subwoofer. A common starting point is 80-100Hz. Experiment to find the best blend with your main speakers.
- Fazali kalit (0°/180°): Listen to the bass from the driver's seat. Flip the phase switch between 0° and 180°. Choose the setting that provides the most impactful and coherent bass response.
- Bassni kuchaytirish: Use the bass boost control sparingly to add emphasis to low frequencies. Excessive bass boost can lead to distortion and potential damage.
- Kalitni yoqish: Set this switch based on your wiring. 'Remote' for a dedicated remote wire, 'DC Offset' if your head unit provides a DC offset on the speaker outputs, or 'Audio Sense' if the subwoofer should turn on when it detects an audio signal.
7. Xizmat ko'rsatish
- Tozalash: Use a soft, dry cloth to clean the exterior of the subwoofer. Do not use harsh chemicals or abrasive cleaners.
- Ulanishlar: Vaqti-vaqti bilan barcha simli ulanishlarni tekshiring, ular xavfsiz va korroziyadan xoli bo'lsin.
- Ventilyatsiya: Ensure the subwoofer's ventilation openings are not blocked to prevent overheating.
8. Muammolarni bartaraf qilish; nosozliklarni TUZATISH
If you experience problems with your subwoofer, refer to the following table for common issues and solutions:
| Muammo | Mumkin sabab | Yechim |
|---|---|---|
| Quvvat yo'q | Sug'urta yonib ketgan, quvvat/yer ulanishi bo'shashgan, masofaviy signal yo'q. | Check/replace fuse, verify all power/ground/remote connections, ensure 'Turn On' switch is correctly set. |
| Ovoz yo'q | Incorrect input connection, gain too low, LPF set too low, head unit settings. | Verify audio input connections (RCA or speaker level), increase gain, adjust LPF, check head unit's subwoofer output settings. |
| Buzilgan ovoz | Gain too high, bass boost too high, LPF set too high, poor input signal. | Reduce gain, reduce bass boost, adjust LPF, check input signal quality. |
| Zaif Bass | Phase mismatch, gain too low, LPF set too low, subwoofer not properly mounted. | Toggle phase switch, increase gain, adjust LPF, ensure secure mounting. |
9. Texnik shartlar
| Xususiyat | Spetsifikatsiya |
|---|---|
| Model | Bass Pro LITE |
| Eng yuqori quvvat | 160 Vt |
| RMS quvvati | 80 Vt |
| Operatsion jildtage | 12V DC |
| Sug'urta darajasi | 20A |
| Past o'tish filtri | 50Hz - 120Hz (Variable) |
| Bass Boost | 0 - 9dB (Variable) |
| Fazani almashtirish | 0° / 180° |
| Olchamlari (taxminan) | Uzunligi: 20 sm, kengligi: 16 sm, balandligi: 8 sm |
| Og'irligi (taxminan) | 8.0 kg |
| Kelib chiqishi | Materik Xitoy |
| Sinov holati | 100% tested before shipping |
10. Foydalanuvchi maslahatlari
- Dastlabki sozlash: When first setting up, start with the gain at minimum and gradually increase it. This prevents accidental overdriving and potential damage to the subwoofer or your ears.
- Fazani sozlash: Don't skip adjusting the phase. It can significantly improve bass impact and clarity, making the subwoofer sound more integrated with your main speakers.
- Kam o'tish filtri: Experiment with the LPF setting. A good starting point is often around 80Hz, but it depends on your main speakers' low-frequency capabilities. The goal is a seamless transition between the subwoofer and your other speakers.
- Xavfsiz o'rnatish: Ensure the subwoofer is very securely mounted. A loose subwoofer can rattle, produce poor bass, and become a safety hazard in a collision.
- Quvvat simlari: Always use a dedicated power wire directly from the battery with an inline fuse. Do not tap into existing power wires that may not be rated for the subwoofer's current draw.
11. Kafolat va qo'llab-quvvatlash
This product is covered by a manufacturer's warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact the seller directly. If you encounter any issues that cannot be resolved using the troubleshooting guide, it is recommended to seek assistance from a qualified service technician.





