1. Introduction
Thank you for choosing the ALIEN PRO X Array 18 Linear System. This professional audio system is designed to deliver powerful and clear sound for various applications, featuring an 18-inch subwoofer and four satellite speakers. This manual provides essential information for the safe and efficient operation of your new audio system.
2. Safety Instructions
Please read these safety instructions carefully before operating the unit. Keep this manual for future reference.
- Power Source: Connect the unit only to a power supply of the type described in this manual or marked on the unit. Ensure the voltage is 110V.
- Ventilation: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Water and Moisture: Do not use this apparatus near water or expose it to dripping or splashing.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cables: Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Cleaning: Clean only with a dry cloth.
- Servicing: Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
3. Package Contents
Carefully unpack your ALIEN PRO X Array 18 system and ensure all items are present and in good condition. If any items are missing or damaged, please contact your retailer.
- 1 x 18-inch Amplified Subwoofer
- 4 x Mid-High Satellite Speakers (each with 2 x 6-inch speakers and 2 x 1-inch tweeters)
- 2 x Satellite Speaker Stands
- 2 x 5m (1/4 inch Plug) Cables for Satellite Connection
- 2 x Cables for connecting satellites

Figure 3.1: Complete ALIEN PRO X Array 18 System including subwoofer, satellite speakers, and stands.
4. Setup
Follow these steps to set up your ALIEN PRO X Array 18 system:
- Position the Subwoofer: Place the 18-inch subwoofer on a stable, flat surface in the desired location. Ensure there is adequate ventilation around the unit.
- Assemble Speaker Stands: Extend the legs of the two included speaker stands for stability. Secure them firmly.
- Mount Satellite Speakers: Carefully place two satellite speakers onto each stand. Ensure they are securely mounted.
- Connect Satellites to Subwoofer: Use the provided 1/4 inch Plug cables to connect the satellite speakers to the corresponding outputs on the amplified subwoofer. Ensure connections are firm.
- Power Connection: Connect the subwoofer's power cable to a standard 110V AC outlet.

Figure 4.1: A single satellite speaker mounted on its stand, ready for connection.

Figure 4.2: Rear view of a satellite speaker showing input connections for audio signal.
5. Operating Instructions
Once the system is set up, you can begin operating it:
- Power On: Locate the power switch on the subwoofer unit and turn it on. The system will power up.
- Input Selection: The subwoofer unit features multiple input options. Select your desired input source:
- Bluetooth: Activate Bluetooth on your device and search for "ALIEN PRO X Array 18". Pair with the system.
- USB/SD Card: Insert a USB drive or SD card with audio files into the respective slots. The system will automatically detect and play media.
- RCA/AUX: Connect your audio source (e.g., mixer, media player) using RCA or AUX cables to the corresponding input ports.
- XLR/1/4" Plug Combo: For professional audio equipment, use the XLR or 1/4" Plug combo input.
- Volume Control: Adjust the master volume on the subwoofer unit to your desired listening level. Individual volume controls for satellites may also be available.
- Audio Playback: Start playing audio from your selected source.

Figure 5.1: Close-up of the subwoofer's front grille, indicating the robust build.
6. Maintenance
Proper maintenance will ensure the longevity and optimal performance of your ALIEN PRO X Array 18 system.
- Cleaning: Use a soft, dry cloth to clean the exterior surfaces of the speakers and subwoofer. Do not use liquid cleaners or aerosols.
- Ventilation: Ensure the subwoofer's ventilation fan and openings remain clear of dust and debris to prevent overheating.
- Storage: When not in use for extended periods, store the system in a cool, dry place, protected from dust and extreme temperatures.
- Cable Care: Regularly inspect all cables for any signs of wear or damage. Replace damaged cables immediately.
7. Troubleshooting
If you encounter issues with your ALIEN PRO X Array 18 system, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Power cable not connected; Power outlet not active; Power switch off. | Ensure power cable is securely plugged in; Test power outlet with another device; Turn the power switch on. |
| No Sound | Incorrect input selected; Volume too low; Audio source not playing; Cables loose or damaged. | Select the correct input source; Increase master volume; Ensure audio is playing from the source; Check all audio cables for secure connection and damage. |
| Distorted Sound | Volume too high (clipping); Damaged speaker; Poor audio source quality. | Reduce volume; Check for physical damage to speakers; Try a different audio source. |
| Bluetooth Pairing Issues | Device too far; Bluetooth not enabled on device; Interference. | Move device closer to the subwoofer; Ensure Bluetooth is enabled and discoverable; Turn off other Bluetooth devices nearby. |
8. Specifications
Detailed technical specifications for the ALIEN PRO X Array 18 Linear System:
| Feature | Detail |
|---|---|
| Model | X-ARRAY18 |
| Brand | ALIENPRO |
| Power Output (PMPO) | 28,000 W |
| Subwoofer Size | 18 inches |
| Subwoofer Magnet | 70 Oz |
| Subwoofer Voice Coil | 65mm |
| Subwoofer Material | High-density MDF |
| Satellite Speakers | 4 units, each with 2 x 6-inch speakers and 2 x 1-inch tweeters |
| Input Connectivity | USB, SD Card, Bluetooth, RCA, AUX, Combo (XLR and 1/4" Plug) |
| Output Connectivity | XLR full range signal output, 1/4" Plug for satellite connection |
| Voltage | 110V / 127V |
| Color | Black |
| Subwoofer Dimensions (Front x Depth x Height) | 55cm x 46cm x 68cm |
| Subwoofer Weight | 19.8 kg |
| Satellite Dimensions (Height x Depth x Length) | 20cm x 16cm x 43cm |
| Satellite Weight (each) | 4.6 kg |
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact ALIENPRO customer service. Keep your purchase receipt as proof of purchase.
For further assistance, please visit the official ALIENPRO website or contact their support channels.





