pengenalan
This manual provides essential information for the proper installation, operation, and maintenance of your DWEII 2-inch 4 Ohm 3W Full Range Audio Speakers. This package includes six (6) individual speakers designed for various audio applications. Please read these instructions carefully before use to ensure optimal performance and longevity of your speakers.
Produk Selesaiview
The DWEII 2-inch 4 Ohm 3W Full Range Audio Speaker is a compact, electric (moving coil) type loudspeaker designed for clear, full-frequency stereo sound reproduction. Its robust construction features a PU side black cap and a paper diaphragm, making it suitable for a wide range of projects and replacements.

Imej: Depan view of a single DWEII 2-inch 4 Ohm 3W Full Range Audio Speaker, showcasing its silver cone and black surround.
Ciri-ciri Utama:
- Full Range Audio: Capable of reproducing a wide spectrum of audio frequencies.
- Reka bentuk padat: 2-inch (50mm) diameter, ideal for space-constrained applications.
- Impedans Piawai: 4 Ohm rated impedance for compatibility with common audio amppenyelamat.
- Penggunaan Kuasa Rendah: 3W rated power, suitable for various low-power audio projects.
- Aplikasi Serbaguna: Suitable for radios, interphones, multimedia speakers, Bluetooth speakers, DIY projects, robotics, advertising machines, game machines, integrated systems, phones, and laptops.

Image: Two DWEII 2-inch 4 Ohm 3W Full Range Audio Speakers, one showing the front cone and surround, the other showing the rear magnet and terminals.
Spesifikasi

Image: Detailed diagram illustrating the dimensions of the speaker, including a 53mm (2.08 inch) outer frame, 51mm (2.00 inch) cone diameter, 29mm (1.14 inch) magnet diameter, and 40mm (1.57 inch) height.
| Jenama | DWEII |
| Nombor Model | 4Ohm 50mm Diameter 3W |
| Kuasa Dinilai | 3 Watt |
| Impedans Ternilai | 4 Ohm |
| Diameter pembesar suara | 2 inci (50mm) |
| Outer Frame Dimensions | 53mm x 53mm (lebih kurang 2.08 inci x 2.08 inci) |
| Jumlah Tinggi | 40mm (lebih kurang 1.57 inci) |
| Respons Kekerapan | 0.20 20 kHz ~ |
| Sensitiviti | 83 dB/W |
| Nisbah S/N | 83 +/- 3 dB |
| Herotan Harmonik | ≤ 5% (TMD%) |
| Kekerapan Resonans | 320Hz ± 20% |
| Rintangan Penebat | 10 MΩ |
| Bahan Diafragma | kertas |
| Bahan Kepungan | Polyurethane, Paper |
Persediaan
These speakers are component parts designed for integration into various audio systems or DIY projects. Proper setup involves secure mounting and correct electrical connection.
- Pemasangan: Securely mount the speaker into an appropriate enclosure or panel using screws through the mounting holes on the speaker frame. Ensure the mounting surface is rigid to prevent vibrations.
- Pendawaian: Identify the positive (+) and negative (-) terminals on the speaker. Connect the positive terminal of the speaker to the positive output of your audio amplifier or source, and the negative terminal to the negative output. Incorrect polarity can affect sound quality, especially in multi-speaker setups.
- AmpKeserasian liifier: Pastikan anda amplifier's output impedance matches the speaker's 4 Ohm impedance and that its power output does not exceed the speaker's 3W rated power to prevent damage.
Note: A volume control cable is not included with these speakers and must be sourced separately if required for your application.
Arahan Operasi
Once properly installed and connected, operating the DWEII speakers is straightforward:
- Hidupkan kuasa: Hidupkan audio anda amplifier or device to which the speakers are connected.
- Sumber Audio: Select your desired audio source (e.g., radio, Bluetooth, media player).
- Pelarasan Kelantangan: Tingkatkan volum pada anda secara beransur-ansur amplifier or audio source to a comfortable listening level. Avoid setting the volume too high, which can cause distortion or damage to the speakers.

Imej: Visual examples demonstrating the versatility of the speakers in different applications, such as integration into electronic projects and device repairs.
Penyelenggaraan
To ensure the longevity and optimal performance of your DWEII speakers, follow these simple maintenance guidelines:
- Keringkan: Protect the speakers from moisture and liquids. Exposure to water can damage the diaphragm and internal components.
- Elakkan Kerosakan Fizikal: Do not press on the speaker cone or diaphragm, as this can cause irreversible damage and affect sound quality.
- Pembersihan: Use a soft, dry cloth to gently wipe away dust from the speaker frame and cone. Avoid using harsh chemicals or abrasive materials.
- Storan: Jika menyimpan pembesar suara untuk tempoh yang lama, simpannya di tempat yang sejuk dan kering dari cahaya matahari langsung dan suhu yang melampau.
Menyelesaikan masalah
If you encounter issues with your DWEII speakers, refer to the following common troubleshooting steps:
- Tiada Bunyi:
- Check all wiring connections to ensure they are secure and correctly polarized.
- Verify that your audio amplifier or source device is powered on and functioning correctly.
- Pastikan kelantangan pada anda amplifier or audio source is not set to minimum or muted.
- Bunyi Herot:
- Kurangkan tahap kelantangan pada anda amplifier. Overdriving the speakers can cause distortion.
- Semak sama ada amplifier's power output and impedance are compatible with the speakers.
- Inspect the speaker cone for any visible damage or obstructions.
- Pastikan sumber audio memberikan isyarat yang bersih.
- Bunyi Selang-seli:
- Check for loose connections at both the speaker terminals and the ampoutput yang lebih hidup.
- Ensure there are no short circuits in the wiring.
Maklumat Waranti
These DWEII speakers come with a Limited Warranty. For specific details regarding the warranty period, coverage, and claims process, please refer to the seller or the product's purchase documentation. Keep your proof of purchase for any warranty-related inquiries.
Sokongan
For further assistance, technical support, or inquiries not covered in this manual, please contact the retailer or manufacturer directly. Provide your product model number (4Ohm 50mm Diameter 3W) and purchase details when seeking support.