The Best 4 Inch Passive Radiator of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 4 Inch Passive Radiator of 2022. Check our ranking below.
2,242 Reviews Scanned
- Package Includes: 2x Bass Passive
- Size:Approx.105mmx115mm
- This is a bass radiator for DIY speakers to enhance the bass effect.
- Diagonal diameter: 84mm/ 3.31in
- Hole Distance: 60x60mm/ 2.36x2.36in
- Rigid black anodized aluminum alloy cone
- High excursion capability: 12 mm peak to peak
- Same "family look" as ND Series woofers
- Adjustable mass for a vast range of tuning frequencies
- subwoofer diaphragm delivers powerful bass for an enhanced experience.
- Crafted with high quality rubber and iron, our diaphragm ensures durability and long lasting quality. Enjoy clear sound for years to come.
- Designed for music enthusiasts and professionals, subwoofer diaphragm is a must have accessory for anyone looking to improve their speaker system.
- Perfect for home theaters, parties, and live performances, our subwoofer diaphragm delivers impressive bass that will captivates any audience.
- Take your sound experience to the next level with our subwoofer diaphragm. Immerse yourself in the richness of your favorite music and enjoy its fullness. Bass Diaphragm only, other accessories demo in the picture are not included
- Subwoofer passive radiator generates mechanical vibration through electromagnetic drive, combined with air pressure conduction to low-frequency energy and optimize acoustic performance.Woofer diaphragm is suitable for various speaker units, such as multimedia entertainment systems, car audio systems, professional audio, etc.
- Material: Rubber, Iron; Mounting Hole Spacing: 76x110mm / 2.99x4.33Inch; Color: Black; 2Pcs x Subwoofer Woofer Membrane,8pcs Screw
- Composite material innovation and structural upgrades enhance low-frequency energy.
- Easy to use, just install it in the corresponding position and you can use it.
- Please pay attention to whether the selected size is suitable.
- subwoofer diaphragm delivers powerful bass for an enhanced experience.2 Pack 2"/3"/4" 52mm 78mm 105mm Woofer Vibrating Membrane Iron Rubber Vibration Diaphragm Plate Replacement Passive Radiator Film for Bass Speaker Subwoofer Loudspeaker Audio DIY Repair
- Crafted with high quality rubber and iron, our diaphragm ensures durability and long lasting quality. Enjoy clear sound for years to come.
- Designed for music enthusiasts and professionals, subwoofer diaphragm is a must have accessory for anyone looking to improve their speaker system.
- Perfect for home theaters, parties, and live performances, our subwoofer diaphragm delivers impressive bass that will captivates any audience.
- Take your sound experience to the next level with our subwoofer diaphragm. Immerse yourself in the richness of your favorite music and enjoy its fullness. Bass Diaphragm only, other accessories demo in the picture are not included
- Subwoofer passive radiator generates mechanical vibration through electromagnetic drive, combined with air pressure conduction to low-frequency energy and optimize acoustic performance.Woofer diaphragm is suitable for various speaker units, such as multimedia entertainment systems, car audio systems, professional audio, etc.
- Material: Rubber, Iron; Mounting Hole Spacing: 76x110mm / 2.99x4.33Inch; Color: Black; 1Pcs x Subwoofer Woofer Membrane,4pcs Screw
- Composite material innovation and structural upgrades enhance low-frequency energy.
- Easy to use, just install it in the corresponding position and you can use it.
- Please pay attention to whether the selected size is suitable.
- Material: Made of high quality rubber
- Size: Diameter: 115.5 mm / 4.55 inch; Diagonal Center Hole Distance: 108 mm / 4.25 inch; Mounting hole center width distance: 77 mm / 3.03 inch
- Easy to use: Screws are required to fix the subwoofer diaphragm to the speaker
- Application: This passive radiator diaphragm is suitable for 4 inch home woofer or car subwoofer speaker
- Package includes: 2 * Round Woofer Vibrating Membrane
- Perfect match for the Dayton Audio DMA series drivers
- Allows tuning small enclosures lower than possible using conventional ports
- Rear mounted threaded post allows easy mass adjustment for custom tuning
- DIY friendly, oversized mounting flange makes installation simple
- subwoofer diaphragm delivers powerful bass for an enhanced experience.
- Crafted with high quality rubber and iron, our diaphragm ensures durability and long lasting quality. Enjoy clear sound for years to come.
- Designed for music enthusiasts and professionals, subwoofer diaphragm is a must have accessory for anyone looking to improve their speaker system.
- Perfect for home theaters, parties, and live performances, our subwoofer diaphragm delivers impressive bass that will captivates any audience.
- Take your sound experience to the next level with our subwoofer diaphragm. Immerse yourself in the richness of your favorite music and enjoy its fullness. Bass Diaphragm only, other accessories demo in the picture are not included
- Subwoofer passive radiator generates mechanical vibration through electromagnetic drive, combined with air pressure conduction to low-frequency energy and optimize acoustic performance.Woofer diaphragm is suitable for various speaker units, such as multimedia entertainment systems, car audio systems, professional audio, etc.
- Material: Rubber, Iron; Mounting Hole Spacing: 76x110mm / 2.99x4.33Inch; Color: Black; 4Pcs x Subwoofer Woofer Membrane,16pcs Screw
- Composite material innovation and structural upgrades enhance low-frequency energy.
- Easy to use, just install it in the corresponding position and you can use it.
- Please pay attention to whether the selected size is suitable.
Last update on 2025-11-11 / Affiliate links / Images from Amazon Product Advertising API
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FAQ:
Q: What size passive radiator do I need for my car?
A: Now, we need to select an appropriately-sized passive radiator. ALWAYS use a passive radiator that is larger in diameter than the active driver, as the displacement of the passive radiator usually has to be 1.5 to 2 times that of the driver.
Q: Are passive radiators a good alternative to ported bass reflex?
A: Passive radiators by Dayton Audio are a particularly useful alternative to ported bass reflex designs—especially when a recommended port length exceeds the speaker enclosure’s dimensions.
Q: Can I use a smaller radiator instead of a larger one?
A: If it’s not possible to use one large passive radiator, then you can use two or more smaller ones, and tune them by working out the effective diameter from the combined surface area of the radiators.
Q: How can I measure the resonance frequency of a passive radiator?
A: To measure the resonance frequency of the passive radiator, install it in a free-air baffle (e.g. the box it’s going in, without the driver in place), then hold a driver, driven by a sine wave generator, as close as possible to the passive radiator, then vary the frequency.