1. المقدمة
Thank you for choosing the Audibax Missouri 2000 A Dual VHF Wireless Microphone System. This professional wireless microphone system is designed to deliver clear, interference-free audio for various applications. This manual provides essential information for the safe and efficient use of your new system. Please read it thoroughly before operation and retain it for future reference.
2. معلومات السلامة
- مصدر الطاقة: Ensure the receiver is connected to a 230V power supply. Use only the provided power adapter.
- استخدام البطارية: Microphones operate on AA batteries. Replace batteries when the low battery indicator appears to ensure optimal performance. Do not mix old and new batteries, or different types of batteries.
- بيئة: Avoid exposing the system to water, moisture, extreme temperatures, or direct sunlight. Operate in a well-ventilated area.
- التعامل: تعامل مع الميكروفونات وجهاز الاستقبال بحرص. تجنب إسقاطها أو تعريضها لصدمات قوية.
- الخدمة: لا تحاول فتح أو إصلاح الجهاز بنفسك. أحل جميع أعمال الصيانة إلى فنيين مؤهلين.
3. محتويات العبوة
يرجى التأكد من تضمين جميع العناصر المدرجة أدناه في الحزمة الخاصة بك:
- 1x Audibax Missouri 2000 A Receiver Unit
- 2x Audibax Missouri 2000 A Handheld Wireless Microphones
- 1x Power Adapter for Receiver
- 1 × دليل المستخدم
- (AA Batteries for microphones are not included and must be purchased separately)

Figure 3.1: Complete Audibax Missouri 2000 A system including receiver and two microphones.
4. انتهى المنتجview
The Audibax Missouri 2000 A is a dual VHF wireless microphone system designed for professional audio applications. It features two high-quality handheld wireless microphones and a receiver unit with independent volume controls and RF/AF indicators.
المميزات الرئيسية:
- Dual VHF wireless system with 2 handheld microphones.
- Receiver with Diversity antennas for improved signal reception and up to 80 meters coverage.
- Clean sound with a signal-to-noise ratio of 105 dB, minimizing interference.
- Independent volume control for each microphone on the receiver.
- RF/AF indicators on the receiver display for monitoring signal status.
- Microphone power via AA batteries, offering extended autonomy.
- Dynamic cardioid microphone capsule for focused sound capture and attenuation of off-axis sounds.
- Output connectors: XLR balanced and auxiliary (MIX) output.

Figure 4.1: Front panel of the receiver unit.

Figure 4.2: Two handheld wireless microphones.
5. الإعداد
5.1 إعداد جهاز الاستقبال
- الموقع: Position the receiver unit on a stable, flat surface, away from potential sources of interference (e.g., computers, Wi-Fi routers). Ensure adequate ventilation.
- اتصال الهوائي: Screw the two included antennas firmly into the ANT A and ANT B connectors on the rear of the receiver. Adjust them vertically for optimal signal reception.
- توصيل الطاقة: Connect the provided power adapter to the DC IN port on the rear of the receiver and then plug it into a 230V AC power outlet.
- مخرج الصوت:
- For a mixed output of both microphones, connect an audio cable (e.g., 6.35mm jack) from the "OUT MIX" port on the receiver to the input of your mixer, amplifier, or sound system.
- For individual balanced outputs, use XLR cables to connect the "BALANCED" XLR output ports (if available on your specific model) to your audio system.

Figure 5.1: Rear panel connections of the receiver unit.
5.2 إعداد الميكروفون
- تركيب البطارية: Unscrew the bottom part of each microphone to access the battery compartment. Insert two AA batteries, ensuring correct polarity (+/-). Screw the bottom part back on securely.
- تشغيل الطاقة: Slide the ON/OFF switch on each microphone to the "ON" position. The microphone display should illuminate, showing the channel and frequency.
- وظيفة كتم الصوت: Each microphone has a MUTE switch. Use this to temporarily silence the microphone without turning it off completely.
6. تعليمات التشغيل
6.1 تشغيل النظام
- Ensure all connections (power, audio output) are secure on the receiver.
- Turn on your mixer or amplifier first, with its volume set to minimum.
- Press the power button on the receiver unit. The display will light up.
- Turn on each microphone by sliding its ON/OFF switch to "ON".
- Observe the receiver's display. The "RF" (Radio Frequency) indicator for each channel should light up, indicating a successful connection between the microphone and receiver. The "AF" (Audio Frequency) indicator will light up when sound is detected by the microphone.

Figure 6.1: Receiver display with RF/AF indicators and frequency information.
6.2 التحكم في مستوى الصوت
- The receiver has independent volume knobs for Microphone A (VOLUME A) and Microphone B (VOLUME B). Adjust these to set the desired output level for each microphone.
- Gradually increase the volume on your mixer or ampرفع مستوى الاستماع إلى المستوى المطلوب.
6.3 Frequency Information
The Audibax Missouri 2000 A operates on fixed VHF frequencies. For this specific model, the frequencies are 179.300 MHz and 188.100 MHz. These frequencies are displayed on both the receiver and microphone units.
7. الصيانة
7.1 التنظيف
- Always disconnect the receiver from the power outlet before cleaning.
- Use a soft, dry cloth to wipe the surfaces of the receiver and microphones.
- لا تستخدم المنظفات السائلة أو البخاخات أو المذيبات، لأنها قد تتلف الطلاء أو المكونات الداخلية.
7.2 استبدال البطارية
- When the microphone's display indicates low battery, replace both AA batteries immediately to avoid interruption during use.
- تأكد من القطبية الصحيحة عند إدخال البطاريات الجديدة.
- تخلص من البطاريات المستعملة بطريقة مسؤولة وفقًا للوائح المحلية.
7.3 التخزين
- When not in use for extended periods, remove batteries from the microphones to prevent leakage.
- قم بتخزين النظام في مكان بارد وجاف، بعيدًا عن أشعة الشمس المباشرة ودرجات الحرارة القصوى.
8. استكشاف الأخطاء وإصلاحها
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| لا يوجد صوت من الميكروفونات |
|
|
| Intermittent sound or signal dropouts |
|
|
| جودة صوت رديئة / تشويش |
|
|
| RF indicator not lighting up |
|
|
9. المواصفات
| ميزة | التفاصيل |
|---|---|
| ماركة | أوديباكس |
| اسم الموديل | Missouri 2000 A |
| رقم الموديل | 10107904 |
| تكنولوجيا الاتصال | Wireless (VHF), XLR |
| عامل شكل الميكروفون | محمول باليد |
| النمط القطبي | أحادي الاتجاه (قلبي الشكل) |
| استجابة التردد | 40 هرتز - 18 كيلوهرتز |
| إشارة إلى نسبة الضوضاء | 105 ديسيبل |
| حساسية الصوت | 105 ديسيبل |
| مستوى الضوضاء | 103 ديسيبل |
| ترددات جهاز الاستقبال | 179.300 ميجا هرتز / 188.100 ميجا هرتز |
| مصدر الطاقة | Receiver: 230V AC; Microphones: AA Batteries (not included) |
| عدد القنوات | 2 |
| نطاق التشغيل | حتى 80 متر (خط الرؤية) |
| أبعاد المنتج (الطول × العرض × الارتفاع) | 39 × 31 × 8 سم |
| وزن العنصر | 1.04 كيلوغرام |
| الاستخدامات الموصى بها | Videoconferencing, Karaoke |
| المكونات المضمنة | Microphones, Receiver, User Manual |
10. الضمان والدعم
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Audibax customer service directly. Keep your proof of purchase for any warranty claims.





