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Passive Radiator Subwoofer

Our passive radiator subwoofer is used to enhance the bass output of audio systems by utilizing a passive diaphragm that moves in response to the main subwoofer's vibrations. It improves the overall low-frequency performance and sound quality of speakers without the need for an additional power source. This product is commonly employed in audio setups to achieve a deeper and more immersive audio experience. Browse the top-ranked list of passive radiator subwoofers below along with associated reviews and opinions.  

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  1. REL - HT/1205 MKII Subwoofer - White

    SKU: J3QSR2VYXK

    Home theater sound is great!...Great sounding subwoofer.

    Product Description

    A powerful white subwoofer featuring a 500W Class D amp and 12" CarbonGlas driver for deep bass.
    See all Home Subwoofers
    Your price for this item is $999.00

  2. REL - T/9X - Gray

    SKU: J3QSR2VY3W

    Product Description

    A grey enclosed subwoofer with a 10-inch driver, 300W RMS power, and passive radiator design.
    See all Home Subwoofers
    Your price for this item is $1,699.00

  3. Sonance - BPS6 - Visual Performance 6-1/2" Passive Bandpass In Ceiling Subwoofer (Each) - Black

    SKU: J78WL7S6T3

    Product Description

    A black in-ceiling subwoofer delivering bold bass with 100W power and a 40Hz–125Hz frequency range.
    See all In-Wall Subwoofers
    Your price for this item is $1,100.00

  4. JBL - CLUB1200SSL SINGLE 12" THIN enclosure with Passive Radiator - Black

    SKU: J7LXFWX5HT

    Product Description

    A black sealed car subwoofer enclosure featuring a single 12" thin driver and passive radiator for deep bass.
    See all Car Subwoofer Boxes & Enclosures
    Your price for this item is $337.95
    Save $112
    The previous price was $449.95

  5. JBL - CLUB1000SSL SINGLE 10" THIN enclosure with Passive Radiator - Black

    SKU: J7LXFWX5HP

    Product Description

    A black vented car subwoofer enclosure featuring a single 10" thin design with passive radiator.
    See all Car Subwoofer Boxes & Enclosures
    Your price for this item is $299.95
    Save $100
    The previous price was $399.95

  6. Powerbass - STA-10 - 10" Underseat Powered Enclosure - Black/Gray

    SKU: J3YVRYK6CW

    Product Description

    A black and gray underseat powered enclosure with a 10" woofer and 200W Class D amplifier.
    See all Car Subwoofer Boxes & Enclosures
    Your price for this item is $289.99

  7. REL - HT/1205 MKII Subwoofer - Black

    SKU: J3QSR2VY76

    Great sub...One of the best sounding subs for the price … precise base...Love Rel takes it to the basics abd naturally improves quality. Great for home theater!

    Product Description

    A powerful black subwoofer featuring a 500W Class D amp and 12" CarbonGlas driver for deep bass.
    See all Home Subwoofers
    Your price for this item is $999.00

  8. REL - HT/1003 MKII Subwoofer - Black

    SKU: J3QSR2VLV4

    Product Description

    A compact black subwoofer with a 300W Class D amplifier and 10” CarbonGlas driver for powerful bass.
    See all Home Subwoofers
    Your price for this item is $699.99

  9. REL - HT/1003 MKII Subwoofer - White

    SKU: J3QSR2VY3J

    This Rel sub sounds so great I wish I hadn’t waited so long....The best word I can think of is articulate. It actually has more than one tone.

    Product Description

    A compact sealed subwoofer in high gloss white with a 300W Class D amp and 10" CarbonGlas driver.
    See all Home Subwoofers
    Your price for this item is $699.99

  10. ELAC - RS500 Varro Reference 10 Inch Smart Subwoofer - Each (Satin - Black

    SKU: J3R4ZF3P8R

    Product Description

    A satin black subwoofer delivering deep, precise bass with wireless connectivity, app control, and aluminum cone.
    See all Home Subwoofers
    Your price for this item is $1,399.00
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FAQ

A passive radiator subwoofer uses a non-powered diaphragm, known as a passive radiator, in addition to a traditional powered driver. This design helps enhance bass response by utilizing air pressure generated inside the enclosure, delivering deeper and more accurate low-frequency sound.

While both designs aim to improve bass output, a passive radiator subwoofer uses a weighted diaphragm instead of a port to manage air movement. This often results in reduced port noise and more precise bass, especially at higher volumes.

If the subwoofer is passive (not powered), you will need an external amplifier to drive it. However, many passive radiator subwoofers are built into powered subwoofer enclosures, so always check the product specifications to determine if an amplifier is required.

Yes, passive radiator subwoofers are an excellent choice for home theater systems. They provide powerful, distortion-free bass that enhances movie soundtracks, music, and gaming experiences.

Passive radiators help extend low-frequency response, minimize unwanted noise (such as port chuffing), and allow for more compact cabinet designs without sacrificing bass quality. This makes them ideal for users seeking deep bass in smaller spaces.