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ST Series Subwoofers

The Sub-Terranean series of landscape subwoofers by James Loudspeaker provides the perfect solution to integrated outdoor audio. Rather than simply putting a subwoofer somewhere where it compromises the aesthetic of the landscape, these direct-burial subwoofers eliminate the need for an exposed bulky enclosure by hiding the main portion of the subwoofer underground. By using a bandpass box design, these water-tight, weather-proof speakers deliver deep powerful bass and a subdued visual effect, exposing only a small hooded port. These outdoor subwoofers come in a variety of sizes to suit the scale of any outdoor sound system as well as in both 4 ohm and 70V formats to accommodate whatever format of outdoor audio is desired.

Each of these incredible subwoofers comes equipped with one of our proprietary aluminum cone woofers enclosed in a sealed aluminum enclosure with a heavy powder coat. The hooded port comes in a standard green or black color with custom color options available as well. 70V versions come with a heavy-duty, high-quality, low-distortion toroidal transformer ensuring all audio information is transferred to the subwoofer and high quality audio is achieved in any format. Upon request, a passive crossover can also be added to allow use with full range signal systems, and provide even greater versatility in system configuration. These subwoofers complete the James Loudspeaker landscape audio system package, delivering the high quality outdoor audio experience you’ve been looking for.

ST Series Subwoofers Featured Installations

Chicago loop 1 900
Subwoofer einbau 0011

8" Subterranean Subwoofer (4 ohm)

81ST4

Tags:
Specifications
Recommended Power Range 50 - 350W
Height 10.95 in (278.13 mm)
Width 10.5 in (266.70 mm)
Depth 10.5 in (266.70 mm)
Frequency Response 28-180Hz +/-3dB
Nominal Impedance 4 ohms
Sensitivity 87dB 2.83V/1m

  • The 81ST4 is the second in our line of mini landscape subwoofers designed for local zone bass performance. It can be configured with 1 satellite speaker as a mono channel, 2 satellite speakers as a...

  • Read more...

    81ST4

    8" Subterranean Subwoofer (4 ohm)
    Read more...

    8" Subterranean Subwoofer (70V)

    81ST70

    Tags:
    Specifications
    Frequency Response 28-180Hz +/-3dB
    Nominal Impedance 70 volt
    Sensitivity 87dB 2.83V/1m
    Recommended Power Range -
    Height 10.95 in (278.13 mm)
    Width 10.5 in (266.70 mm)
    Depth 10.5 in (266.70 mm)

  • The 81ST70 is one of several options in our line of landscape subwoofers designed for local zone bass performance. This small area subwoofer can be configured with 1 satellite speaker as a mono cha...

  • Read more...

    81ST70

    8" Subterranean Subwoofer (70V)
    Read more...

    10" Subterranean Subwoofer (4 ohm)

    101ST4

    Tags:
    Specifications
    Frequency Response 24-140Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 88dB 2.83V/1m
    Recommended Power Range 50 - 500W
    Height 14.375 in (365.12 mm)
    Width 11.125 in (282.57 mm)
    Depth 18.5 in (469.90 mm)

  • The 101ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Intended for small to medium sized areas, it can be configured with any array of s...

  • Read more...

    101ST4

    10" Subterranean Subwoofer (4 ohm)
    Read more...

    10" Subterranean Subwoofer (70V)

    101ST70

    Tags:
    Specifications
    Frequency Response 24-140Hz +/-3dB
    Nominal Impedance 70 volt
    Sensitivity 88dB 2.83V/1m
    Recommended Power Range -
    Height 14.375 in (365.12 mm)
    Width 11.125 in (282.57 mm)
    Depth 18.5 in (469.90 mm)

  • Having mastered the mix of excellence in design, technology and superior sound... outdoor entertainment has never been so complete. Designed with motion in mind James outdoor systems provide consis...

  • Read more...

    101ST70

    10" Subterranean Subwoofer (70V)
    Read more...

    12" Subterranean Subwoofer (4 ohm)

    121ST4

    Tags:
    Specifications
    Frequency Response 22-140Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range 50 - 1000W
    Height 11.75 in (298.45 mm)
    Width 14 in (355.60 mm)
    Depth 16.5 in (419.10 mm)

  • The 121ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Tailored for medium sized audio zones where extra SPL is required, it can be confi...

  • Read more...

    121ST4

    12" Subterranean Subwoofer (4 ohm)
    Read more...

    12" Subterranean Subwoofer (70V)

    121ST70

    Tags:
    Specifications
    Frequency Response 22-140Hz +/-3dB
    Nominal Impedance 70V
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range -
    Height 11.75 in (298.45 mm)
    Width 14 in (355.60 mm)
    Depth 16.5 in (419.10 mm)

  • The 121ST70 landscape subwoofer was designed by James to provide larger coverage for systems that needed extra SPL. It features a proprietary high excursion 12" aluminum driver mounted within ...

  • Read more...

    121ST70

    12" Subterranean Subwoofer (70V)
    Read more...

    15" Subterranean Subwoofer (4 ohm)

    151ST4

    Tags:
    Specifications
    Recommended Power Range 50 - 1000W
    Height 16.25 in (412.75 mm)
    Width 16.25 in (412.75 mm)
    Depth 22.5 in (571.50 mm)
    Frequency Response 20-120Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m

  • The 151ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Tailored for medium to large sized audio zones where high SPL is required, it can ...

  • Read more...

    151ST4

    15" Subterranean Subwoofer (4 ohm)
    Read more...

    15" Subterranean Subwoofer (70V)

    151ST70

    Tags:
    Specifications
    Frequency Response 20-120Hz +/-3dB
    Nominal Impedance 70V
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range -
    Height 16.25 in (412.75 mm)
    Width 16.25 in (412.75 mm)
    Depth 22.5 in (571.50 mm)

  • The 151ST70 features a proprietary high excursion 15" aluminum driver mounted within an aluminum sealed band-pass enclosure. Engineered for direct burial placement, the compression design crea...

  • Read more...

    151ST70

    15" Subterranean Subwoofer (70V)
    Read more...

    21" Subterranean Subwoofer (4 ohm and 70V)

    211ST4

    Tags:
    Specifications
    Frequency Response 18-120Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range 500 - 1000W
    Height 24 in (609.60 mm)
    Width 24 in (609.60 mm)
    Depth 24 in (609.60 mm)

  • The 211ST 21" subterranean subwoofer was developed for high SPL bass output outdoor applications. It features a powerful 21" transducer for maximum excursion and SPL. Due to the high powe...

  • Read more...

    211ST4

    21" Subterranean Subwoofer (4 ohm and 70V)
    Read more...

    Landscape

    8" Subterranean Subwoofer (4 ohm)

    81ST4

    Tags:
    Specifications
    Recommended Power Range 50 - 350W
    Height 10.95 in (278.13 mm)
    Width 10.5 in (266.70 mm)
    Depth 10.5 in (266.70 mm)
    Frequency Response 28-180Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 87dB 2.83V/1m

  • The 81ST4 is the second in our line of mini landscape subwoofers designed for local zone bass performance. It can be configured with 1 satellite speaker as a mono channel, 2 satellite speakers as a...

  • Read more...

    81ST4

    8" Subterranean Subwoofer (4 ohm)
    Read more...

    8" Subterranean Subwoofer (70V)

    81ST70

    Tags:
    Specifications
    Frequency Response 28-180Hz +/-3dB
    Nominal Impedance 70 volt
    Sensitivity 87dB 2.83V/1m
    Recommended Power Range -
    Height 10.95 in (278.13 mm)
    Width 10.5 in (266.70 mm)
    Depth 10.5 in (266.70 mm)

  • The 81ST70 is one of several options in our line of landscape subwoofers designed for local zone bass performance. This small area subwoofer can be configured with 1 satellite speaker as a mono cha...

  • Read more...

    81ST70

    8" Subterranean Subwoofer (70V)
    Read more...

    10" Subterranean Subwoofer (4 ohm)

    101ST4

    Tags:
    Specifications
    Frequency Response 24-140Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 88dB 2.83V/1m
    Recommended Power Range 50 - 500W
    Height 14.375 in (365.12 mm)
    Width 11.125 in (282.57 mm)
    Depth 18.5 in (469.90 mm)

  • The 101ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Intended for small to medium sized areas, it can be configured with any array of s...

  • Read more...

    101ST4

    10" Subterranean Subwoofer (4 ohm)
    Read more...

    10" Subterranean Subwoofer (70V)

    101ST70

    Tags:
    Specifications
    Frequency Response 24-140Hz +/-3dB
    Nominal Impedance 70 volt
    Sensitivity 88dB 2.83V/1m
    Recommended Power Range -
    Height 14.375 in (365.12 mm)
    Width 11.125 in (282.57 mm)
    Depth 18.5 in (469.90 mm)

  • Having mastered the mix of excellence in design, technology and superior sound... outdoor entertainment has never been so complete. Designed with motion in mind James outdoor systems provide consis...

  • Read more...

    101ST70

    10" Subterranean Subwoofer (70V)
    Read more...

    12" Subterranean Subwoofer (4 ohm)

    121ST4

    Tags:
    Specifications
    Frequency Response 22-140Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range 50 - 1000W
    Height 11.75 in (298.45 mm)
    Width 14 in (355.60 mm)
    Depth 16.5 in (419.10 mm)

  • The 121ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Tailored for medium sized audio zones where extra SPL is required, it can be confi...

  • Read more...

    121ST4

    12" Subterranean Subwoofer (4 ohm)
    Read more...

    12" Subterranean Subwoofer (70V)

    121ST70

    Tags:
    Specifications
    Frequency Response 22-140Hz +/-3dB
    Nominal Impedance 70V
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range -
    Height 11.75 in (298.45 mm)
    Width 14 in (355.60 mm)
    Depth 16.5 in (419.10 mm)

  • The 121ST70 landscape subwoofer was designed by James to provide larger coverage for systems that needed extra SPL. It features a proprietary high excursion 12" aluminum driver mounted within ...

  • Read more...

    121ST70

    12" Subterranean Subwoofer (70V)
    Read more...

    15" Subterranean Subwoofer (4 ohm)

    151ST4

    Tags:
    Specifications
    Recommended Power Range 50 - 1000W
    Height 16.25 in (412.75 mm)
    Width 16.25 in (412.75 mm)
    Depth 22.5 in (571.50 mm)
    Frequency Response 20-120Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m

  • The 151ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Tailored for medium to large sized audio zones where high SPL is required, it can ...

  • Read more...

    151ST4

    15" Subterranean Subwoofer (4 ohm)
    Read more...

    15" Subterranean Subwoofer (70V)

    151ST70

    Tags:
    Specifications
    Frequency Response 20-120Hz +/-3dB
    Nominal Impedance 70V
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range -
    Height 16.25 in (412.75 mm)
    Width 16.25 in (412.75 mm)
    Depth 22.5 in (571.50 mm)

  • The 151ST70 features a proprietary high excursion 15" aluminum driver mounted within an aluminum sealed band-pass enclosure. Engineered for direct burial placement, the compression design crea...

  • Read more...

    151ST70

    15" Subterranean Subwoofer (70V)
    Read more...

    21" Subterranean Subwoofer (4 ohm and 70V)

    211ST4

    Tags:
    Specifications
    Frequency Response 18-120Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range 500 - 1000W
    Height 24 in (609.60 mm)
    Width 24 in (609.60 mm)
    Depth 24 in (609.60 mm)

  • The 211ST 21" subterranean subwoofer was developed for high SPL bass output outdoor applications. It features a powerful 21" transducer for maximum excursion and SPL. Due to the high powe...

  • Read more...

    211ST4

    21" Subterranean Subwoofer (4 ohm and 70V)
    Read more...

    Subwoofers

    8" Subterranean Subwoofer (4 ohm)

    81ST4

    Tags:
    Specifications
    Recommended Power Range 50 - 350W
    Height 10.95 in (278.13 mm)
    Width 10.5 in (266.70 mm)
    Depth 10.5 in (266.70 mm)
    Frequency Response 28-180Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 87dB 2.83V/1m

  • The 81ST4 is the second in our line of mini landscape subwoofers designed for local zone bass performance. It can be configured with 1 satellite speaker as a mono channel, 2 satellite speakers as a...

  • Read more...

    81ST4

    8" Subterranean Subwoofer (4 ohm)
    Read more...

    8" Subterranean Subwoofer (70V)

    81ST70

    Tags:
    Specifications
    Frequency Response 28-180Hz +/-3dB
    Nominal Impedance 70 volt
    Sensitivity 87dB 2.83V/1m
    Recommended Power Range -
    Height 10.95 in (278.13 mm)
    Width 10.5 in (266.70 mm)
    Depth 10.5 in (266.70 mm)

  • The 81ST70 is one of several options in our line of landscape subwoofers designed for local zone bass performance. This small area subwoofer can be configured with 1 satellite speaker as a mono cha...

  • Read more...

    81ST70

    8" Subterranean Subwoofer (70V)
    Read more...

    10" Subterranean Subwoofer (4 ohm)

    101ST4

    Tags:
    Specifications
    Frequency Response 24-140Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 88dB 2.83V/1m
    Recommended Power Range 50 - 500W
    Height 14.375 in (365.12 mm)
    Width 11.125 in (282.57 mm)
    Depth 18.5 in (469.90 mm)

  • The 101ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Intended for small to medium sized areas, it can be configured with any array of s...

  • Read more...

    101ST4

    10" Subterranean Subwoofer (4 ohm)
    Read more...

    10" Subterranean Subwoofer (70V)

    101ST70

    Tags:
    Specifications
    Frequency Response 24-140Hz +/-3dB
    Nominal Impedance 70 volt
    Sensitivity 88dB 2.83V/1m
    Recommended Power Range -
    Height 14.375 in (365.12 mm)
    Width 11.125 in (282.57 mm)
    Depth 18.5 in (469.90 mm)

  • Having mastered the mix of excellence in design, technology and superior sound... outdoor entertainment has never been so complete. Designed with motion in mind James outdoor systems provide consis...

  • Read more...

    101ST70

    10" Subterranean Subwoofer (70V)
    Read more...

    12" Subterranean Subwoofer (4 ohm)

    121ST4

    Tags:
    Specifications
    Frequency Response 22-140Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range 50 - 1000W
    Height 11.75 in (298.45 mm)
    Width 14 in (355.60 mm)
    Depth 16.5 in (419.10 mm)

  • The 121ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Tailored for medium sized audio zones where extra SPL is required, it can be confi...

  • Read more...

    121ST4

    12" Subterranean Subwoofer (4 ohm)
    Read more...

    12" Subterranean Subwoofer (70V)

    121ST70

    Tags:
    Specifications
    Frequency Response 22-140Hz +/-3dB
    Nominal Impedance 70V
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range -
    Height 11.75 in (298.45 mm)
    Width 14 in (355.60 mm)
    Depth 16.5 in (419.10 mm)

  • The 121ST70 landscape subwoofer was designed by James to provide larger coverage for systems that needed extra SPL. It features a proprietary high excursion 12" aluminum driver mounted within ...

  • Read more...

    121ST70

    12" Subterranean Subwoofer (70V)
    Read more...

    15" Subterranean Subwoofer (4 ohm)

    151ST4

    Tags:
    Specifications
    Recommended Power Range 50 - 1000W
    Height 16.25 in (412.75 mm)
    Width 16.25 in (412.75 mm)
    Depth 22.5 in (571.50 mm)
    Frequency Response 20-120Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m

  • The 151ST4 is one of several options in our line of landscape subwoofers designed for local zone bass performance. Tailored for medium to large sized audio zones where high SPL is required, it can ...

  • Read more...

    151ST4

    15" Subterranean Subwoofer (4 ohm)
    Read more...

    15" Subterranean Subwoofer (70V)

    151ST70

    Tags:
    Specifications
    Frequency Response 20-120Hz +/-3dB
    Nominal Impedance 70V
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range -
    Height 16.25 in (412.75 mm)
    Width 16.25 in (412.75 mm)
    Depth 22.5 in (571.50 mm)

  • The 151ST70 features a proprietary high excursion 15" aluminum driver mounted within an aluminum sealed band-pass enclosure. Engineered for direct burial placement, the compression design crea...

  • Read more...

    151ST70

    15" Subterranean Subwoofer (70V)
    Read more...

    21" Subterranean Subwoofer (4 ohm and 70V)

    211ST4

    Tags:
    Specifications
    Frequency Response 18-120Hz +/-3dB
    Nominal Impedance 4 ohms
    Sensitivity 91dB 2.83V/1m
    Recommended Power Range 500 - 1000W
    Height 24 in (609.60 mm)
    Width 24 in (609.60 mm)
    Depth 24 in (609.60 mm)

  • The 211ST 21" subterranean subwoofer was developed for high SPL bass output outdoor applications. It features a powerful 21" transducer for maximum excursion and SPL. Due to the high powe...

  • Read more...

    211ST4

    21" Subterranean Subwoofer (4 ohm and 70V)
    Read more...
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