1. تعارف
The ZAPCO ST-A2 is a powerful 4-channel Class D amplifier designed for car electronics. It delivers 70 watts per channel and features robust protection mechanisms including over-current, over-voltage, and high-temperature protection. This amplifier is built with high-quality components and offers versatile connectivity options, making it a reliable choice for enhancing your vehicle's audio system. It is an Android unit and complies with FCC, IC, CE, ROHS, and WEEE specifications.
2. پراڊڪٽ ختمview
شڪل 2.1: سامهون view of the ZAPCO ST-A2 4-Channel Ampلائفائر، شوڪasing its compact design and the ZAPCO logo.
The ST-A2 amplifier is designed for efficient power delivery in a compact form factor. Its robust heatsink design ensures optimal thermal management, contributing to its reliability and longevity. The amplifier's sleek black finish allows it to blend seamlessly into various vehicle interiors.
3. خاصيتون ۽ ڪم
The ZAPCO ST-A2 amplifier is equipped with a range of features to provide high-quality audio performance and protection:
- Android Unit Class-D Power Ampزنده: ڪارآمد ۽ طاقتور ampificationنڻ.
- پلگ ۽ راند: Designed for easy integration into existing systems.
- 3-Bands Equalization: Allows for fine-tuning of audio output.
- 4 Balanced High-Level Inputs: For connecting to factory or aftermarket head units.
- High-Quality OP: Ensures clear and precise audio reproduction.
- 2 RCA Outputs for Ampliified Subwoofer: Provides dedicated outputs for bass enhancement.
- Over-Current ۽ Over-Voltagاي تحفظ: حفاظت ڪري ٿو amplifier from electrical surges.
- گرمي پد تحفظ وheيڪ گرمي سبب نقصان کي روڪي ٿو.
شڪل 3.1: مٿي view of the ZAPCO ST-A2, showing the HIGH, MID, LOW equalization controls, and the POWER OUT and POWER IN connectors.
شڪل 3.2: پاسي view of the ZAPCO ST-A2, highlighting the RCA outputs for amplified subwoofers.
4. ٽيڪنيڪل وضاحتون
| تفصيل | قدر |
|---|---|
| آئوٽ پاور @ 4Ω | 4 x 70 واٽ |
| وڌ ۾ وڌ طاقت | 4 x 140 واٽ |
| THD @ ريٽيڊ پاور | < 0.1٪ |
| سگنل کان شور جي نسبت | > 85dB |
| چينل علحدگي | > 70dB |
| تعدد جواب | 20Hz کان 20KHz |
| وimum ۾ و Supp فراهمي وارو جلدtage | 24 وولٽ (DC) |
| گھٽ ۾ گھٽ سپلائي حجمtage | 20 وولٽ (DC) |
| ڊائرنس (ڊبليو ايڇ ڊي ايل) | 103 ملي ميٽر x 45 ملي ميٽر x 151 ملي ميٽر (تقريبن 4.1 x 1.8 x 6 انچ) |
| وزن | 5 پائونڊ |
| چڙهڻ جو قسم | ڊائريڪٽنگ |
5. سيٽ اپ ۽ تنصيب
Proper installation is crucial for optimal performance and safety. It is recommended that installation be performed by a qualified professional. Ensure the vehicle's battery is disconnected before beginning any wiring.
5.1. چڙهڻ جو هنڌ
Choose a mounting location that is dry, well-ventilated, and away from direct heat sources or moving parts. Ensure there is sufficient space around the amplifier for air circulation. The ST-A2 is designed for freestanding mounting.
5.2. وائرنگ ڪنيڪشن
- پاور ان پٽ: Connect the main power cable from the vehicle's battery to the amplifier's power input terminal. Ensure an inline fuse is installed close to the battery. The amplifier operates with a maximum supply voltage of 24 Volts DC and a minimum of 20 Volts DC.
- زميني ڪنيڪشن: گرائونڊ ڪيبل سان ڳنڍيو amplifier to a clean, unpainted metal surface on the vehicle's chassis. A strong ground connection is essential for stable operation.
- اعلي سطحي ان پٽ: Utilize the 4 balanced high-level inputs to connect directly to your vehicle's factory or aftermarket head unit speaker outputs. This "Plug & Play" feature simplifies integration.
- اسپيڪر جا نتيجا: Connect your car speakers to the amplifier's speaker output terminals. Ensure correct polarity for each speaker.
- RCA Outputs (for Subwoofer): جيڪڏهن توهان شامل ڪري رهيا آهيو amplified subwoofer, connect its input to the 2 RCA outputs provided on the ST-A2.
After all connections are made, double-check all wiring for secure connections and correct polarity before reconnecting the vehicle's battery.
6. آپريشن
Once installed and powered, the ZAPCO ST-A2 amplifier will automatically power on with your head unit. The amplifier is designed for straightforward operation.
6.1. آڊيو ايڊجسٽمينٽ
The ST-A2 features 3-bands equalization (HIGH, MID, LOW) to allow for basic audio tuning. Adjust these controls to achieve your desired sound profile. Start with the controls in their neutral or center positions and make small adjustments, listening carefully to the changes in sound.
6.2. تحفظ جون خاصيتون
جي amplifier is equipped with built-in protection circuits to ensure its longevity and safe operation:
- اوور-موجوده تحفظ: Automatically shuts down the amplifier if excessive current draw is detected.
- اوور- Voltagاي تحفظ: جي حفاظت ڪري ٿو amplifier from damage due to voltage spikes.
- گرمي پد تحفظ Activates if the amplifier's internal temperature exceeds safe operating limits, preventing thermal damage.
If any protection circuit is activated, the amplifier may temporarily shut down. Allow the unit to cool down or resolve the underlying issue (e.g., short circuit, improper voltage) before attempting to power it on again.
7. سار سنڀال
Regular maintenance helps ensure the longevity and optimal performance of your ZAPCO ST-A2 ampوierيڪ زنده
- صفائي: وقتي طور تي صاف ڪريو amplifier's exterior with a soft, dry cloth to remove dust and debris. Do not use liquid cleaners or solvents.
- وينٽيليشن: انهي کي يقيني بڻايو وڃي ته amplifier's heatsink fins are not obstructed. Good airflow is essential for dissipating heat.
- ڪنيڪشن: ڪڏهن ڪڏهن سڀني وائرنگ ڪنيڪشنن کي چيڪ ڪريو ته جيئن اهي محفوظ ۽ زنگ کان پاڪ رهن.
- ماحول: ظاهر ڪرڻ کان پاسو ڪريو amplifier to extreme temperatures, direct sunlight, or excessive moisture.
8. مسئلا حل ڪرڻ
If you encounter issues with your ZAPCO ST-A2 ampلائفائر، هيٺ ڏنل عام مسئلو حل ڪرڻ واري قدمن جو حوالو ڏيو:
| مسئلو | ممڪن سبب | حل |
|---|---|---|
| بجلي ناهي / Ampلائفائر آن نه ٿي رهيو آهي |
|
|
| ڪوبه آواز آئوٽ |
|
|
| بگڙيل آواز |
|
|
If the problem persists after attempting these solutions, contact Zapco customer support or a qualified car audio technician.
9. وارنٽي ۽ سپورٽ
The ZAPCO ST-A2 amplifier is manufactured by Zapco. For specific warranty terms and conditions, please refer to the official Zapco webسائيٽ يا توهان جي پراڊڪٽ سان گڏ وارنٽي ڪارڊ. وارنٽي دعوائن لاءِ خريداري جو ثبوت رکو.
For technical support, service, or further inquiries, please visit the official Zapco website or contact their customer service department. The product meets various international standards including FCC, IC, CE, ROHS, and WEEE specifications.
Note: Product specifications and features are subject to change without notice. Always refer to the latest documentation provided by the manufacturer.
