PRV Audio 8MR400B-4 SLIM MR Slim Series 8" 200W RMS (400W Peak Power Handling) 4 Ohm, Midrange Car Speaker (Single)
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Built for Tight Door Installs, Big Pro Sound Impact
If you’re working with factory-style doors and don’t want to start cutting or hacking up your ride, the PRV Audio 8MR400B-4 SLIM Midrange Car Speaker is exactly the kind of upgrade you’ve been looking for. It’s built with a super shallow design that fits right into tight OEM spaces while still giving you that loud, clean, pro-style sound. This is not your average door speaker, it brings that “Pro Audio On Wheels” energy so your daily drive suddenly feels like a full sound demo everywhere you go.
Power, Clarity, and Heat Control That Keeps Going
This midrange is rated at 200W RMS and can push up to 400W program power, so it stays clean even when you crank it hard. The 4 ohm setup makes it easy to match with most car audio amps, giving you strong and efficient power delivery without stress. Inside, the aluminum phase plug helps move heat away from the voice coil while also improving sound dispersion, so your vocals stay clear and sharp even when the volume is living at the top end for long sessions.
Loud, Clean, and Built for Real Car Audio Enthusiasts
With a wide frequency range from about 95 Hz up to 7,500 Hz, this speaker handles the heart of your music where vocals and instruments really live. It’s also sensitive at around 93.5 dB, meaning it gets loud without needing insane amplifier power. The ventilated pole piece helps keep everything cool, while the compact 2.68 inch mounting depth makes installation way easier in tight doors. Add in the controlled suspension design and you get tight, accurate mids that stay clean even when your system is pushing hard.
Frequently Asked Questions (FAQ)
- • Will the PRV Audio 8MR400B-4 SLIM fit in my factory door without modifications?
The slim mounting profile is designed for tight installation spaces, but every vehicle is different. Measuring the available mounting depth before installation is the best way to avoid fitment issues.
- • Why does my PRV Audio 8MR400B-4 SLIM sound thin after installation?
This usually happens when the crossover is set too high or the speaker is not paired with a dedicated midbass driver. Proper tuning helps restore fuller midrange performance.
- • Can I use the 8MR400B-4 SLIM with my existing factory amplifier?
It may work, but most users achieve much better volume and clarity by using an aftermarket amplifier that provides clean, consistent power.
- • Why is there a buzzing noise coming from my 8MR400B-4 SLIM?
Buzzing is often caused by loose mounting screws, vibrating door panels, or wiring touching the speaker cone. Inspecting the installation usually identifies the source.
- • Does the PRV Audio 8MR400B-4 SLIM require a tweeter?
Yes. The speaker is designed for midrange frequencies, so adding a dedicated tweeter improves high-frequency detail and overall system balance.
- • Why do my vocals sound distorted only at high volume?
Distortion at higher levels is commonly linked to amplifier clipping, excessive gain, or aggressive equalizer settings. Proper system tuning helps maintain clean sound.
- • Can I install multiple PRV Audio 8MR400B-4 SLIM speakers on one amplifier?
Yes, provided the final speaker impedance matches your amplifier's supported load and the amplifier supplies enough clean RMS power for all connected speakers.
- • Why does one PRV Audio 8MR400B-4 SLIM speaker sound quieter than the other?
A quieter speaker is often caused by incorrect wiring polarity, damaged speaker cables, or unequal amplifier channel settings. Checking these areas usually resolves the imbalance.
- • Is the PRV Audio 8MR400B-4 SLIM suitable for motorcycle or powersports audio systems?
Its compact mounting depth makes it a popular option for space-limited installations, but it should always be installed in applications that match its intended operating conditions.
- • How can I get the best sound quality from the PRV Audio 8MR400B-4 SLIM?
Use a quality amplifier, set the correct crossover points, secure the speaker firmly, and fine tune the equalizer. These steps help maximize clarity, efficiency, and long-term performance.
- Diameter : 8 Inch
- Sensitivity : 93.5 dB
- Impedance : 4 Ohm
- Frequency Response : 95-7500 Hz
- Peak Power Handling : 400 Watts
- RMS Power Handling : 200 Watts
Features:
- Slim Shallow Door Integration: Designed specifically for factory style door locations, allowing high performance audio upgrades without cutting or modifying interior panels.
- Pro Audio On Wheels Output: Combines professional loudspeaker engineering with mobile audio practicality to deliver high efficiency sound in automotive environments.
- Aluminum Phase Plug Cooling System: Precision machined aluminum bullet phase plug improves heat dissipation from the voice coil while enhancing even high frequency dispersion.
- High Efficiency 4 Ohm Design: Optimized 4 ohm impedance ensures strong amplifier compatibility and efficient power delivery across a wide range of car audio systems.
- 200W RMS High Power Handling: Delivers 200 watts RMS and up to 400 watts program power for clean and controlled output at high volume levels.
- Wide Midrange Frequency Response: Covers approximately 95 Hz to 7,500 Hz for strong vocal presence and smooth transition to tweeters and subwoofers.
- Ventilated Pole Piece Thermal Control: Built in air ventilation system improves cooling performance for consistent operation under extended listening sessions.
- High Sensitivity Output: Rated at 93.5 dB sensitivity for loud output with minimal amplifier strain, ideal for high SPL builds.
- Compact 2.68 Inch Mount Depth: Ultra shallow 68 mm mounting depth enables flexible installation in tight factory door spaces and compact enclosures.
- Controlled Suspension Design: Cloth M roll surround and precision spider assembly maintain low distortion and stable cone movement for accurate midrange reproduction.
Specifications:
- Nominal Diameter: 6″ (152 mm)
- Nominal Impedance: 4 Ohm
- Rated AES Power Handling (RMS): 200 Watts
- Program Power: 400 Watts
- Sensitivity (2.83V/1m): 93.5 dB
- Recommended Hi Pass Crossover: 125 Hz, 12 dB per Octave
- Frequency Response (-10 dB): 95 – 7,500 Hz
- Voice Coil Diameter: 1.5″ (38 mm)
- Voice Coil Wire: CCAW (Copper-Clad Aluminum Wire)
- Voice Coil Winding Depth: 9.5 mm
- Former Material: Kapton
- Magnetic Gap Depth: 6.0 mm
- Frame Material: Stamped Steel
- UPC: 810075520668
- Weight: 3
- 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.
