PRV Audio RS8-SUBD4 Series 8" 500W RMS (1000W Peak Power Handling) 4 Ohm, Dual Voice Coil Stamped Steel Car Subwoofer (Sold as Single)
We are a PRV Audio authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
What's Inside?
- • 8" RS Series 1000W 4 Ohm, Dual Voice Coil Stamped Steel Car Subwoofer
- • Owner's Manual
Big Bass Energy in a Small Footprint Build
The PRV Audio RS8-SUBD4 proves you don’t need a massive box to get serious low-end performance. This 8-inch sub is tuned for compact installs where space is limited but the demand for real bass is high. It delivers deep, controlled lows that hit harder than you’d expect from its size, making it perfect for clean, tight, space-saving car audio setups that still want to shake the cabin.
Power Handling That Stays Strong When Things Get Loud
Built with a 500W RMS high-power voice coil system using 4-layer high-temperature copper, this sub is made to handle pressure without falling apart. The extended 14.5mm Xmax gives it serious travel, so the bass stays deep and clean even when you push it hard. A double magnet motor setup and high-roll U surround work together to keep distortion low, so every hit stays accurate instead of muddy or bloated.
Smart Cooling and Install Flexibility for Real-World Builds
Long listening sessions are no problem thanks to the vented back plate and side forced cooling system that helps keep temperatures stable under load. The dual 4-ohm voice coils give you wiring flexibility, so you can match different amplifier setups or run multiple subs with ease. And with its stamped steel high-rigidity frame, plus optimized performance for compact sealed or ported boxes, it fits right into under-seat or truck installs where space is tight but performance still matters.
Frequently Asked Questions (FAQ)
- • Why does my PRV Audio RS8-SUBD4 not hit the low bass notes I expected?
The enclosure size, port tuning, and amplifier settings have a major impact on low frequency performance. An enclosure that does not match the recommended specifications can significantly reduce deep bass.
- • How should I wire the dual voice coils on the RS8-SUBD4?
The wiring depends on the impedance your amplifier is designed to handle. Follow the correct series or parallel wiring diagram to achieve the proper load and reliable performance.
- • Why does my RS8-SUBD4 make a popping sound during heavy bass?
Popping can occur when the subwoofer is overdriven, the amplifier is clipping, or the cone is reaching its mechanical limits. Lowering the gain and checking the enclosure design can help prevent this.
- • Can I install the RS8-SUBD4 in a sealed enclosure?
Yes, many users choose sealed enclosures for tighter and more controlled bass. A properly designed ported enclosure is another option if you prefer higher output.
- • Why does the bass disappear when I close my trunk?
Bass loss can be caused by subwoofer placement, enclosure orientation, or phase issues with the rest of the audio system. Experimenting with positioning and phase settings often improves performance.
- • Is the RS8-SUBD4 a good choice for small vehicle audio systems?
Yes, many owners of compact cars and regular cab trucks choose it because it delivers strong bass while fitting into installations with limited available space.
- • Why is my amplifier getting extremely hot while powering the RS8-SUBD4?
Excessive amplifier heat is often caused by incorrect voice coil wiring, poor ventilation, or operating at an impedance lower than the amplifier is designed to support.
- • Should I break in the RS8-SUBD4 before playing it at full volume?
Many users prefer a gradual break in period with moderate listening levels during the first several hours to allow the suspension components to loosen naturally.
- • Why does my RS8-SUBD4 vibrate the enclosure at certain frequencies?
Loose enclosure panels, insufficient internal bracing, or mounting hardware that is not fully tightened can create unwanted vibrations during bass heavy music.
- • How can I improve the overall bass quality of the RS8-SUBD4?
Use a properly designed enclosure, match it with a clean amplifier, set the crossover correctly, and fine tune the gain and phase settings for smoother, more controlled bass performance.
- Diameter : 8 Inch
- Sensitivity : 82 dB
- Impedance : 4 Ohm
- Peak Power Handling : 1000 Watts
- Number of Voice Coils : Dual
- Mounting Depth : 4.96 Inches
- RMS Power Handling : 500 Watts
Features:
- Compact High-Excursion Bass Engineering: Designed to deliver deep, controlled low-frequency output from an 8-inch platform optimized for space-conscious car audio installations.
- High-Power 500W RMS Voice Coil System: Built with a 4-layer high-temperature copper voice coil to ensure strong thermal stability and consistent high-output bass performance.
- Extended 14.5mm Xmax Linear Excursion: Engineered with a high-roll U surround and double magnet motor structure for powerful, distortion-free low bass response.
- Advanced Cooling and Thermal Efficiency: Features a vented back plate and side forced cooling system to maintain stable performance under heavy audio loads.
- Dual 4-Ohm Wiring Versatility: Offers flexible impedance configuration options for optimized amplifier matching and multi-subwoofer system integration.
- Stamped Steel High-Rigidity Frame Construction: Provides structural durability and controlled cone movement for improved accuracy and reliability.
- Optimized for Compact Sealed and Ported Enclosures: Performs efficiently in small box designs, making it ideal for under-seat or truck-based subwoofer installations.
Specifications:
- Nominal Diameter: 8″ (203 mm)
- Nominal Impedance: 4 + 4 Ohm
- Nominal Power Handling: 250 Watts
- Continuous Program Power (RMS): 500 Watts
- Max Peak Power: 1000 Watts
- Sensitivity (1.41V at 1m): 82 dB (Parallel VC)
- Voice Coil Diameter: 2.4″ (61.1 mm)
- Voice Coil Wire: Copper
- Voice Coil Winding Depth: 33.0 mm
- Former Material: Black Aluminum
- Magnetic Gap Depth: 8.0 mm
- Frame Material: Stamped Steel
- Equivalent Volume (Vas): 3.79 l
- Excursion (Xmax): 14.5 mm
- Free Air Resonance (Fs): 53.4 Hz
- Mechanical Factor (Qms): 8.13
- Electrical Factor (Qes): 0.82
- Total Factor (Qts): 0.75
- Cone Area (Sd): 201 cm²
- Mechanical Mass (Mms): 132.2 g
- Mechanical Mass Without Air (Mmd): 130.6 g
- Bl Factor (Bl): 9.55 Tm
- DC Resistance (Re, Parallel VC): 1.7 Ohm
- Inductance (Le at 1 kHz): 1.24 mH
- Mechanical Compliance (Cms): 0.06 mm/N
- Overall Diameter: 8.58″ (218 mm)
- Front Mount Baffle Cutout: 7.40″ (188 mm)
- Mounting Depth: 4.96″ (126 mm)
- Shipping Weight: 15.43 lbs (7.00 kg)
- Carton Dimensions (W × L × H): 9.25″ × 9.25″ × 6.89″ (235 × 235 × 175 mm)
- UPC: 810075526233
- Weight: 15.7
- Authorized Internet Dealer
Warranty: 1 Year Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 1 Year from the original date of purchase with proper return authorization.