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James Loudspeaker - SO-151ST70 - Subwoofer

Original price $10,915.00 - Original price $10,915.00
Original price
$10,915.00 - $10,915.00
Current price $10,915.00
In stock
In stock

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Immerse yourself in a deep, harmonious sound experience with the James Loudspeaker SO-151ST70 Subwoofer. Specially designed with a proprietary high excursion 15" aluminium driver encased in an aluminium sealed band-pass setup, this subwoofer promises unmatched low-frequency resonance. Uniquely created for direct burial placement, it seamlessly integrates with your environment. Enhance your audio quality infinitely, thanks to the all-copper toroidal transformer eliminating distortion and preventing frequency loss. Beyond just an incredible sound, this subwoofer is built to withstand extreme weather conditions with its aircraft/marine grade aluminium enclosure and stainless-steel hardware. Choose the SO-151ST70 Subwoofer for a powerful, clear, and immersive listening experience that truly shakes the ground!

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Transform Your Listening Space: Personalised Expertise at Every Step

Ever felt the frustration of a mismatched audio system? The hours lost deciphering reviews, and the disappointment when it doesn't meet your expectations? We understand because we've been there.

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  2. Genuine Audiophiles, Not Salesmen: We aren’t just in this for sales. We're in it for the love of sound, and to enhance your auditory experiences.
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ℹ Product Information

Welcome to unparalleled audio brilliance with the James Loudspeaker SO-151ST70 Subwoofer

The James Loudspeaker SO-151ST70 Subwoofer offers a unique blend of powerful sound and sleek, invisible design. It features a high excursion 15" aluminium driver that redefines subtlety and impact.

Key Features:

  • High Excursion 15" Aluminium Driver: This proprietary feature ensures maximum speaker motion for highly impactful and articulate bass.
  • Aluminium Sealed Band-Pass Enclosure: Designed with aeronautic and marine-grade aluminium for durability and protection of internal components.
  • Direct Burial Placement and Compression Design: Provides near-complete invisibility and unmatched low-end frequency response.
  • All-Copper Toroidal Transformer: Eliminates distortion for crystal-clear, full-range audio.
  • 200-Watt Power Delivery: Delivers resonating, deep, and earth-shattering bass.
  • External Hooded Port with Aircraft/Marine Grade Aluminium Enclosure and Stainless-Steel Hardware: Offers enhanced protection in extreme weather conditions.
  • Made in the USA: Assembled following strict quality control measures.
  • Specifications: Frequency Response of 20-120Hz +/-3dB, Nominal Impedance of 70V, 1 x 15" Aluminium Woofer in Black Aluminium Enclosure.


  • Stunning Audio Performance: High-excursion driver delivers powerful, deep, and earth-shattering bass.
  • Invisible, Yet Powerful: Direct burial capability ensures an inconspicuous presence without compromising audio output.
  • Ideal for Outdoor Use: Robust enclosure and stainless-steel hardware provide excellent resistance to extreme weather conditions.
  • Exceptional Audio Clarity: All-copper toroidal transformer eliminates distortion for crystal-clear, full-range audio.
  • Ample Power: 200-Watt power capacity provides resonating, deep bass for an immersive sound experience.
  • Quality Assurance: Assembled in the USA with strict quality control measures.

Overall, the James Loudspeaker SO-151ST70 Subwoofer combines power, beauty, and resilience to deliver an unmatched audio experience. It blends harmoniously into the environment, providing an enhanced, virtually invisible sound system. With its exceptional audio quality, this subwoofer brings a theatre-like experience to outdoor settings.

For more information, contact us at The Audio Tailor:

  • Phone: 1300 308 711
  • Email:
  • Address: Unit 9/20 Rivergate Place, Murarrie QLD 4172.
ℹ Specifications
Specification Description
Product model SO-151ST70
Driver Size 15 inches (381mm)
Driver Material Aluminium
Enclosure material Aircraft/Marine Grade Aluminium
Enclosure type Sealed Band-Pass
Frequency Response 20-120Hz +/-3dB
Placement Engineered for direct burial
Power 200W via Toroidal Transformer
Impedance 70V
Nominal Impedance 70V
Transformer All-copper toroidal, designed to eliminate distortion and frequency loss
Weather Resistance External hooded port, stainless-steel hardware
Finishes Black
Dimensions 413mm x 413mm x 572mm (H x W x D)
Additional Features High excursion driver, low-end frequency response, nearly complete invisibility
Country of Origin Made in USA
Alternate model Available in 4ohm, as model #151ST

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