1. Pengenalan
This manual provides essential information for the proper installation, operation, and maintenance of your DS18 ZXI8.4D 8-inch High Excursion Car Audio Subwoofer. Please read this manual thoroughly before attempting installation or operation to ensure optimal performance and safety. The DS18 ZXI8.4D is designed to deliver powerful, clear bass for your car audio system.

Imej 1.1: Depan view of the DS18 ZXI8.4D Subwoofer.
2. Ciri-ciri Produk
The DS18 ZXI8.4D subwoofer incorporates advanced design and materials for superior audio performance:
- High Excursion Design: Engineered for significant cone movement, allowing for deep and impactful bass reproduction.
- Dual Voice Coil (DVC) 4-Ohm: Offers flexible wiring options to match various ampkonfigurasi penguat.
- 2-inch Voice Coil: Constructed to handle high power levels efficiently, minimizing distortion.
- Large Foam Surround: Contributes to the high excursion capability and helps produce smooth, crisp bass.
- Pressed Paper Cone: Provides a balance of rigidity and lightness for accurate sound reproduction.
- Low Fs (Resonance Frequency): Suitable for use in various enclosure types, including larger boxes with lower tuning.
- Strong Stamped Basket: Features an exclusive DS18 design for durability and structural integrity.

Image 2.1: Key features of the DS18 ZXI8.4D Subwoofer.
3. Kandungan Pakej
Setelah membuka bungkusan, pastikan semua barang ada dan tidak rosak:
- DS18 ZXI8.4D 8-inch High Excursion Car Audio Subwoofer (1 unit)
- Manual Arahan (dokumen ini)
4. Spesifikasi
Refer to the table below for detailed technical specifications of the DS18 ZXI8.4D subwoofer:
| Spesifikasi | Nilai |
|---|---|
| Nama Model | ZXI |
| Jenis Pembesar Suara | Subwufer |
| Ciri Khas | High Excursion |
| Penggunaan yang Disyorkan | Audio Kereta |
| Peranti Serasi | Stereo Kereta, Amplebih hidup |
| Diameter Subwoofer | 8 Inci |
| warna | Hitam |
| Dimensi Produk (D x W x H) | 8.58"D x 8.58"W x 6.83"H |
| Berat Barang | 13.87 paun (6.31 Kilogram) |
| Impedans | 4 Ohm (Dual Voice Coil) |
| Kuasa Output Maksimum Pembesar Suara | 1200 Watts (Max) / 600 Watts (RMS) |
| Teknologi Ketersambungan | Berwayar (RCA) |
| Respons Kekerapan | 25Hz - 880Hz |
| Sensitiviti | 86 dB |
| Berat Magnet | 104 Oz (4 x 26 oz) Ferrite Magnet |
| Diameter Gegelung Suara | 2 Inci |
| Kedalaman Pemasangan | 5.51" / 140mm |
| Front Mount Baffle Cut Out | 7.31" / 185.8mm |

Image 4.1: Dimensional specifications for installation.
5. Persediaan dan Pemasangan
Pemasangan yang betul adalah penting untuk prestasi dan ketahanan subwoofer anda. Amat disyorkan agar pemasangan dilakukan oleh profesional yang berkelayakan.
5.1 Langkah Keselamatan
- Putuskan sambungan terminal bateri negatif kenderaan sebelum memulakan sebarang kerja elektrik.
- Pastikan semua pendawaian ditebat dan dipasang dengan betul untuk mengelakkan litar pintas dan kerosakan.
- Gunakan pendawaian tolok yang sesuai untuk sambungan kuasa, pembumian dan pembesar suara.
- Pasang subwufer dengan selamat untuk mengelakkan pergerakan semasa pengendalian kenderaan.
5.2 Enclosure Considerations
The ZXI8.4D subwoofer performs well in both sealed and ported enclosures. The choice of enclosure will affect the subwoofer's sound characteristics:
- Kandang Tertutup: Typically provide tighter, more accurate bass response, suitable for musicality.
- Lampiran Beralih: Generally offer louder output and deeper bass extension, often preferred for SPL (Sound Pressure Level) applications.
Consult a car audio specialist or refer to specific enclosure design guidelines for optimal performance based on your preferences and vehicle.
5.3 Wiring the Dual Voice Coil (DVC) Subwoofer
The ZXI8.4D features a dual 4-ohm voice coil. This allows for various wiring configurations to achieve different final impedances, which must match your ampimpedans operasi stabil liifier.
- Pendawaian Selari (2 Ohm): Connect the positive terminals of both voice coils together, and the negative terminals of both voice coils together. Connect the amplifier's output to these combined terminals. This configuration results in a 2-ohm load.
- Pendawaian Siri (8 Ohm): Connect the positive terminal of one voice coil to the negative terminal of the other voice coil. Connect the amplifier's positive output to the remaining positive terminal and the amplifier's negative output to the remaining negative terminal. This configuration results in an 8-ohm load.
Caution: Incorrect wiring can damage your amplifier or subwoofer. Always verify the final impedance before connecting to an amplebih hidup.
6. Arahan Operasi
6.1 Amplifier Matching and Settings
Pastikan anda amplifier is capable of providing sufficient power (600W RMS) at the chosen impedance. Set amplifier gains carefully to avoid clipping and distortion, which can damage the subwoofer.
- Tetapan Keuntungan: Mulakan dengan amplifier gain at its minimum. Gradually increase the gain until the desired volume is reached without audible distortion.
- Penapis Laluan Rendah (LPF): Tetapkan LPF pada anda amplifier or head unit to filter out high frequencies, typically between 60Hz and 100Hz, depending on your system and preference.
- Penapis Subsonik: If available, set the subsonic filter to protect the subwoofer from playing frequencies below its resonant frequency, especially in ported enclosures.
6.2 Tempoh Pecah Masuk
Allow a break-in period of approximately 20-30 hours of moderate listening before operating the subwoofer at high volumes. This allows the suspension components (surround and spider) to loosen up, improving performance and longevity.
7. Penyelenggaraan
The DS18 ZXI8.4D subwoofer requires minimal maintenance to ensure long-term performance:
- Pembersihan: Lap kon dan sekelilingnya secara berkala dengan kain lembut dan kering untuk menghilangkan habuk dan serpihan. Elakkan menggunakan bahan kimia yang keras atau kelembapan berlebihan.
- Pemeriksaan: Regularly inspect the subwoofer for any signs of damage to the cone, surround, or wiring connections. Ensure mounting screws remain tight.
- Persekitaran: Lindungi subwufer daripada suhu yang melampau, cahaya matahari langsung dan kelembapan.
8. Penyelesaian masalah
Jika anda mengalami masalah dengan subwufer anda, rujuk langkah penyelesaian masalah biasa berikut:
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Tiada Bunyi | Tiada kuasa untuk amplifier; loose wiring; incorrect input signal; amppenguat dalam mod perlindungan. | Semak amplifier power and ground connections. Verify RCA input signal. Inspect all speaker wires for secure connection. Check amppenunjuk status pencahayaan. |
| Bunyi Herot | Amplifier gain set too high; incorrect LPF setting; damaged voice coil; enclosure issues. | Kurangkan amplifier gain. Adjust LPF. Inspect subwoofer cone and voice coil for physical damage. Verify enclosure integrity. |
| Bass yang lemah | Incorrect wiring impedance; insufficient amplifier power; phase issues; improper enclosure. | Confirm correct voice coil wiring for desired impedance. Ensure amplifier provides adequate power. Check phase setting on amplifier/head unit. Review enclosure design. |
If problems persist after troubleshooting, contact DS18 customer support or a qualified car audio technician.
9. Maklumat Waranti
The DS18 ZXI8.4D Subwoofer is covered by a Waranti Terhad. This warranty typically covers defects in materials and workmanship under normal use for a specified period from the date of purchase. It does not cover damage resulting from improper installation, abuse, accident, neglect, unauthorized repair, or modification.
For specific warranty terms, conditions, and claim procedures, please refer to the warranty card included with your product or visit the official DS18 website. Retain your proof of purchase for warranty service.
10. Sokongan
For technical assistance, product inquiries, or warranty claims, please contact DS18 customer support through their official webtapak atau maklumat hubungan yang diberikan bersama dokumentasi pembelian anda.
DS18 is a registered trademark. All rights reserved.





