1. المقدمة
يوفر هذا الدليل تعليمات شاملة لـ Koss SB40 Computer Headset with Microphone. Designed for clear communication and immersive audio, this headset is suitable for various computer applications, including gaming and voice calls. Please read this manual thoroughly to ensure proper setup, operation, and maintenance of your device.
2. معلومات السلامة
To prevent damage to the headset or personal injury, please observe the following safety guidelines:
- تجنب تعريض سماعة الرأس لدرجات الحرارة العالية أو الرطوبة أو أشعة الشمس المباشرة.
- Do not disassemble or attempt to repair the headset yourself. Refer all servicing to qualified personnel.
- أبقِ سماعة الرأس بعيدة عن الماء أو السوائل الأخرى.
- Adjust volume to a comfortable level to prevent hearing damage during prolonged use.
3. محتويات العبوة
تأكد من وجود جميع العناصر في العبوة:
- Koss SB40 Computer Headset with Microphone
- دليل المستخدم (هذا المستند)

الشكل 1: أمام view of the Koss SB40 Computer Headset, showing the over-ear design and attached microphone boom.
4. الإعداد
4.1 توصيل سماعة الرأس
The Koss SB40 headset features a dual-entry cable design with two 3.5mm plugs for separate audio and microphone connections:
- حدد موقع 3.5 ملم قابس TRS (Tip-Ring-Sleeve) for headphone audio. Insert this plug into your computer's headphone jack (typically marked with a headphone icon or green color).
- حدد موقع 3.5 مللي متر قابس TS (Tip-Sleeve) for the microphone. Insert this plug into your computer's microphone input jack (typically marked with a microphone icon or pink color).

الشكل 2: The Koss SB40 headset showing its dual 3.5mm audio and microphone plugs for connection to a computer.
4.2 Microphone Configuration (Windows PC)
For optimal microphone performance on a Windows PC, especially with Realtek audio drivers, consider adjusting the following settings:
- After connecting the headset, the Realtek audio manager may automatically open. If not, access it through your system tray or Control Panel.
- انتقل إلى ميكروفون فاتورة غير مدفوعة.
- يُمكَِن إزالة الضوضاء لتقليل الضوضاء الخلفية.
- يُمكَِن إلغاء صدى الصوت to prevent echoes during calls.
- ضبط تعزيز الميكروفون. Click the microphone icon next to the volume slider and increase the boost to +10 ديسيبل for clearer voice pickup.
- Additionally, configure microphone settings within your communication applications (e.g., Steam, Zoom, Skype) for push-to-talk or specific mute options.
5. تعليمات التشغيل
5.1 تشغيل الصوت
The SB40 headset delivers a frequency response of 20 to 20 kHz, an impedance of 120 ohms, and a sensitivity of 96 dB SPL, ensuring clear and dynamic sound reproduction. Adjust the audio volume using your computer's system volume controls or within individual applications.
5.2 استخدام الميكروفون
The integrated noise-cancelling microphone is designed to minimize ambient background noise, focusing on your voice for clear communication. Position the microphone boom approximately 1-2 inches from your mouth for optimal voice pickup.
5.3 الراحة والملاءمة
The headset features large, closed leatherette earcups that comfortably surround the ear, providing maximum sound isolation and reducing external noise. The adjustable headband ensures a secure and comfortable fit for extended periods of use.

الشكل 3: جانب view of the Koss SB40 headset illustrating its dimensions, which contribute to its lightweight and comfortable design.
6. الصيانة
To maintain the performance and longevity of your Koss SB40 headset:
- Clean the earcups and headband with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- قم بتخزين سماعة الرأس في مكان نظيف وجاف عند عدم استخدامها.
- Avoid pulling on the cables excessively to prevent internal damage.
7. استكشاف الأخطاء وإصلاحها
7.1 لا يوجد مخرج صوت
- Ensure the 3.5mm TRS audio plug is fully inserted into the correct headphone jack on your computer.
- Check your computer's volume settings and ensure they are not muted or set too low.
- Verify that the correct audio output device is selected in your operating system's sound settings.
7.2 الميكروفون لا يعمل
- Confirm the 3.5mm TS microphone plug is fully inserted into the correct microphone input jack.
- Check your computer's microphone settings and ensure the microphone is not muted and input levels are adequate. Refer to Section 4.2 for detailed PC microphone configuration.
- Verify that the correct microphone input device is selected in your operating system's sound settings and within your communication applications.
7.3 الصوت المشوه
- Reduce the volume level on your computer or application.
- تأكد من أن مصدر الصوت ذو جودة جيدة.
- The headset is designed for low total harmonic distortion (less than 0.2%), so persistent distortion may indicate an issue with the audio source or connection.
8. المواصفات
| ميزة | مواصفة |
| استجابة التردد | 20 هرتز - 20 كيلو هرتز |
| مقاومة | 120 أوم |
| حساسية | 96 ديسيبل SPL |
| التشويه التوافقي الكلي | أقل من 0.2% |
| الاتصال | Wired (Dual 3.5mm plugs: TS for mic, TRS for headphone) |
| ميكروفون | إلغاء الضوضاء |
| وضع الأذن | فوق الأذن |
| مادة | Plastic, Leatherette earcups |
| لون | أسود |
| أبعاد المنتج | 4 × 7.06 × 9.19 بوصة |
| وزن العنصر | 0.023 أونصة (حوالي 0.66 جرامًا) |
9. انتهى المنتجview فيديو
للحصول على عرض مرئيview of the Koss SB40 Computer Headset, please watch the following video:
فيديو 1: عرض فيديو رسمي للمنتجasing the key features and design of the Koss SB40 Computer Headset with Microphone.
10. معلومات الضمان
The Koss SB40 Computer Headset is covered under the Koss Stereophones Limited Lifetime Warranty. For detailed information regarding warranty terms, conditions, and claims, please refer to the official Koss website or contact Koss customer support.
11. الدعم
If you require further assistance, have questions, or encounter issues not covered in this manual, please contact Koss customer support through their official webالموقع أو معلومات الاتصال المقدمة مع عبوة المنتج الخاص بك.





