1. Introduction
Thank you for choosing the Coxswain AS920 Wireless Vehicle Police Siren Warning Alarm Horn Amplifier. This system is designed to provide powerful audio warning signals and public address capabilities for various vehicle applications. Featuring a 200W amplifier, a wireless remote control, and 20 distinct tones, the AS920 offers reliable performance and ease of use. Please read this manual thoroughly before installation and operation to ensure proper functionality and safety.
2. Package Contents
Please verify that all items listed below are included in your package:
- Siren Amplifier Unit (AS920)
- Wireless Remote Controller
- Speaker (200W, if included in your kit)
- Wiring Harness (Red, Black, Green, White wires)
- USB Cable (for remote pairing)
- Mounting Hardware (screws, connectors)
- Cigarette Lighter Adapter (for certain configurations)
3. Specifications
| Feature | Specification |
|---|---|
| Model Number | AS920 |
| Brand Name | Coxswain |
| Voltage | DC12V |
| Power | 200W |
| Impedance | 6 ohm |
| Sound Tones | 20 (Wail, Yelp, AirHorn, Siren, Hi-Lo, etc.) |
| Controller | Wireless Remote Control |
| Microphone | Included |
| Certification | CE |
| Origin | Mainland China |
4. Safety Information
- Always ensure the vehicle's power is off before attempting any installation or wiring.
- Incorrect wiring can cause damage to the siren system, vehicle electronics, or lead to fire.
- Mount the siren amplifier and speaker(s) in a secure location away from excessive heat, moisture, and moving parts.
- Ensure all connections are properly insulated to prevent short circuits.
- Do not operate the siren for extended periods at maximum volume in enclosed spaces to prevent hearing damage.
- This product is intended for professional installation or by individuals with appropriate electrical knowledge.
5. Setup & Installation
5.1 Wiring Instructions
Refer to the wiring diagram below for proper electrical connections. It is crucial to follow these steps carefully:
- Power Connection: Connect the Red wire from the siren amplifier to the positive (+) terminal of your vehicle's DC12V power source. Connect the Black wire to the negative (-) terminal (ground).
- Speaker Connection: Connect the two Green wires to one 200W speaker. If your kit includes a second speaker, connect the two White wires to the second speaker. Ensure correct polarity for optimal sound.
- Remote Pairing: To pair the wireless remote controller with the siren amplifier, connect them using the provided USB cable. The system will automatically pair.
5.2 Mounting
Mount the siren amplifier and speaker(s) in a suitable location within your vehicle. The amplifier should be mounted in a dry, secure area, preferably within the vehicle's cabin or a protected compartment. The speaker should be mounted in a location that allows for clear sound projection, such as behind the grille or under the bumper, ensuring it is not obstructed.
6. Operating Instructions
The AS920 system is controlled via a wireless remote. Familiarize yourself with the remote's buttons:
6.1 Basic Operation
- Power On/Off: Use the dedicated ON/OFF buttons on the remote to power the siren system.
- Siren Tones: Press the buttons labeled 'WAIL', 'YELP', 'HI-LO', 'AIR HORN', 'SIREN', etc., to activate the corresponding siren tones. The system offers 20 different tones.
- Microphone: The remote control includes a microphone for public address (PA) functionality. Press the 'MIC' button to activate the microphone and speak through the connected speaker.
- Volume Control: Adjust the volume using the appropriate buttons on the remote (if available, or through vehicle's audio system if integrated).
6.2 Demonstration Video
Watch this video for a demonstration of the AS920 siren's various tones and remote control functionality.
7. Maintenance
- Keep the siren amplifier and remote control clean and dry. Avoid exposure to extreme temperatures or direct sunlight for prolonged periods.
- Periodically check all wiring connections for tightness and signs of wear or corrosion.
- Ensure the speaker grille is free from debris to maintain optimal sound quality.
- If the remote control's battery is replaceable, follow manufacturer guidelines for replacement.
8. Troubleshooting
8.1 Common Issues
- No Sound/Siren Not Responding:
- Check all power and speaker connections to ensure they are secure and correctly wired.
- Verify the vehicle's DC12V power source is active.
- Ensure the remote control is paired with the siren amplifier. If not, connect them via USB cable for automatic pairing.
- Check the fuse on the amplifier unit (if accessible) and replace if blown.
- Remote Control Not Working:
- Ensure the remote's battery is charged or replaced if necessary.
- Attempt to re-pair the remote with the siren amplifier using the USB cable.
9. User Tips
- For optimal performance, ensure the siren amplifier is connected to a dedicated 200W speaker.
- When installing, consider the placement of the speaker to maximize sound projection and minimize obstruction.
- Always test all siren tones and the microphone function after installation to confirm everything is working as expected.
- If you experience any issues with the remote control, a quick re-pairing via USB often resolves connectivity problems.
10. Warranty & Support
The Coxswain AS920 Wireless Vehicle Police Siren Warning Alarm Horn Amplifier comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.
For technical support or warranty inquiries, please contact Coxswain customer service through your retailer or the official Coxswain channels.
