R3.8 - Subwoofer Soundstream - Free user manual and instructions
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| Type | Subwoofer |
| Size | 8 inches |
| RMS Power Handling | 200 watts |
| Peak Power Handling | 400 watts |
| Impedance | 4 ohms |
| Sensitivity | 88 dB |
| Frequency Response | 25 - 500 Hz |
| Mounting Depth | 4.5 inches (114 mm) |
| Cutout Diameter | 7.1 inches (180 mm) |
| Surround Material | Rubber |
| Cone Material | Polypropylene |
| Magnet Type | Ferrite |
| Voice Coil | Dual 2 ohm or Dual 4 ohm (check specific model) |
| Recommended Enclosure | Sealed or ported |
| Brand | Soundstream |
| Model | R3.8 |
Frequently Asked Questions - R3.8 Soundstream
What is the recommended enclosure volume for the Soundstream R3.8 subwoofer?
For a sealed enclosure, 0.6-0.8 cubic feet; for a ported enclosure, 1.0-1.2 cubic feet tuned to 35 Hz. Always check the manual for exact specifications.
Can I use the R3.8 in a car audio system with a factory radio?
Yes, but you will need an external amplifier as the subwoofer requires more power than a factory radio can provide. A monoblock amplifier rated at 200-400 watts RMS at 2 or 4 ohms is recommended.
What is the difference between RMS and peak power for this subwoofer?
RMS (Root Mean Square) is the continuous power the subwoofer can handle, 200 watts. Peak power (400 watts) is the maximum momentary power it can withstand. For best performance and longevity, use an amplifier that delivers RMS power matching the subwoofer's RMS rating.
How do I wire a dual voice coil version of the R3.8?
If your model has dual 4 ohm voice coils, wire them in parallel for a 2 ohm load or in series for an 8 ohm load. Dual 2 ohm coils can be wired in parallel for 1 ohm or series for 4 ohms. Choose the configuration that matches your amplifier's stable impedance.
What is the frequency response of the Soundstream R3.8?
The frequency response is 25 Hz to 500 Hz. This subwoofer is designed for low-frequency reproduction, ideal for adding deep bass to your audio system.
How should I clean and maintain the subwoofer?
Gently dust the cone and surround with a soft cloth. Avoid liquids or harsh chemicals. Ensure the mounting area is clean and dry. Periodically check the connections for corrosion. The subwoofer is not user-serviceable; if damaged, consult a professional.
Is the Soundstream R3.8 suitable for a home theater system?
Yes, it can be used in a home theater setup if you have a suitable amplifier. However, it is primarily designed for automotive use. For home use, ensure proper enclosure and ventilation.
What is the recommended amplifier for this subwoofer?
A monoblock amplifier providing 200-400 watts RMS at the chosen impedance (e.g., 2 or 4 ohms) is ideal. Look for amplifiers with low total harmonic distortion and a subsonic filter.
Can I install the R3.8 in a sealed enclosure?
Yes, a sealed enclosure is recommended for accurate and tight bass. Ensure the internal volume is between 0.6 and 0.8 cubic feet for optimal performance.
Does the Soundstream R3.8 come with a warranty?
Soundstream typically offers a 1-year warranty on subwoofers. However, warranty terms may vary by region and seller. Keep your receipt and contact Soundstream customer support for details.
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USER MANUAL R3.8 Soundstream
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Product information
Brand : Soundstream
Model : R3.8
Category : Subwoofer