1. Introduction
Thank you for choosing the Soundstream SM2P.804 8-inch 2-Way 350W Max Pro-Audio Speaker with Compression Tweeter. This manual provides essential information for the proper installation, operation, and maintenance of your new speaker. Please read this manual thoroughly before attempting installation or use to ensure optimal performance and longevity of your product.
2. Safety Information
Important Safety Instructions:
- Always disconnect the vehicle's battery negative terminal before any installation.
- Ensure proper wiring and connections to prevent electrical shorts or damage.
- Do not expose the speaker to excessive moisture or extreme temperatures.
- Mount the speaker securely to prevent it from becoming a projectile in case of sudden stops or accidents.
- Consult a professional installer if you are unsure about any part of the installation process.
- Avoid prolonged listening at high volume levels to prevent hearing damage.
3. Package Contents
Verify that all items are present in your package:
- Soundstream SM2P.804 Pro-Audio Speaker (1 unit)
- Protective Grille (1 unit)
- Mounting Hardware (screws, clips)
- User Manual (this document)

Figure 3.1: Soundstream SM2P.804 speaker with its protective grille. The grille is designed to shield the speaker cone and tweeter from physical damage while allowing sound to pass through.
4. Setup and Installation
4.1. Mounting Considerations
The SM2P.804 speaker is designed for flush mount installation. Ensure the mounting location has sufficient depth and clearance for the speaker's dimensions (8.27 x 8.27 x 4.72 inches). The speaker has a circumference of approximately 21 cm (8.27 inches) for the mounting hole.

Figure 4.1: Rear view of the speaker indicating a circumference of 21 cm (approximately 8.27 inches) for mounting. This measurement is crucial for preparing the correct size cutout for installation.
4.2. Wiring Connections
Proper wiring is crucial for optimal performance and to prevent damage. Connect the speaker to an appropriate amplifier or head unit. Observe correct polarity: positive (+) to positive and negative (-) to negative. Incorrect polarity can lead to poor sound quality and reduced bass response.

Figure 4.2: Side view of the speaker, highlighting the wiring terminals. Ensure secure and correct polarity connections. The barcode visible is SM2P80423051500475, which is the serial number for this specific unit.
4.3. Grille Installation
After mounting the speaker, the protective grille can be installed. Align the grille with the speaker's mounting holes and secure it using the provided screws. The grille offers protection to the speaker cone and tweeter.

Figure 4.3: The speaker with its protective grille installed. This grille, referred to as "Rejilla de Protección" (Protection Grille), helps prevent damage to the speaker's delicate components.
5. Operating Instructions
Once properly installed and connected, your Soundstream SM2P.804 speaker will operate as part of your audio system. The speaker is a passive component and receives its signal and power from an external amplifier or head unit.
- Power On/Off: The speaker powers on and off with your audio source.
- Volume Control: Adjust volume through your amplifier or head unit.
- Audio Settings: Utilize the equalizer and other audio settings on your amplifier or head unit to fine-tune the sound to your preference.

Figure 5.1: Front view of the speaker without the grille, showcasing the 8-inch cone and the central compression tweeter. This design allows for a 2-way audio output, handling both mid-range and high frequencies.
6. Maintenance
To ensure the longevity and optimal performance of your speaker, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe down the speaker and grille. Do not use harsh chemicals or abrasive cleaners.
- Inspection: Periodically check wiring connections for tightness and corrosion.
- Environment: While robust, avoid exposing the speaker to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture. The speaker is not waterproof.
7. Troubleshooting
If you encounter issues with your speaker, refer to the following common problems and solutions:
- No Sound:
- Check all wiring connections for proper polarity and secure contact.
- Ensure the amplifier or head unit is powered on and functioning correctly.
- Verify that the audio source is playing and not muted.
- Distorted Sound:
- Reduce the volume level on your amplifier or head unit.
- Check for loose wiring connections.
- Ensure the amplifier is not overdriven or clipping.
- Intermittent Sound:
- Inspect wiring for loose connections or frayed wires.
- Check for any short circuits.
If problems persist, consult a professional audio technician or contact Soundstream customer support.
8. Specifications
Detailed technical specifications for the Soundstream SM2P.804 speaker:
| Feature | Specification |
|---|---|
| Model Number | SM2P.804 |
| Speaker Type | 2-Way Pro-Audio Speaker with Compression Tweeter |
| Speaker Size | 8 Inches |
| Maximum Output Power | 350 Watts |
| Surround Sound Channel Configuration | 2.0 |
| Audio Output Mode | Stereo |
| Mounting Type | Flush Mount |
| Product Dimensions | 8.27 x 8.27 x 4.72 inches |
| Item Weight | 3.90 kg (approx. 8.6 lbs) (Note: Discrepancy with source data, 3.90 kg from image is used as more realistic) |
| Is Waterproof | No |
| Connectivity Technology | Bluetooth (Note: This feature is typically for active speakers; for passive speakers, it implies connection to a Bluetooth-enabled amplifier.) |
| Control Method | Touch (Note: This feature is typically for active speakers; for passive speakers, control is via the connected amplifier.) |
| UPC | 709483065079 |
| Manufacturer | Soundstream |

Figure 8.1: The speaker with its grille, indicating a weight of 3.90 Kg. This weight is for a single unit.
9. Warranty and Support
9.1. Limited Warranty
Soundstream products are designed and manufactured to the highest quality standards. This product comes with a limited warranty. Please refer to the warranty card included with your purchase or visit the official Soundstream website for detailed warranty terms and conditions. The warranty typically covers defects in materials and workmanship under normal use.
9.2. Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact Soundstream customer support. You can find contact information on the official Soundstream website or through your authorized dealer.
Online Resources: For additional information, product registration, and FAQs, please visit the official Soundstream website.



