James All Terrain / Subterranean Landscape Series
High-Fidelity Outdoor Audio
James All Terrain satellite speakers deliver powerful, full-range sound outdoors and are built with marine-grade materials for long service life. Pair them with Subterranean in-ground subwoofers, which use sealed aluminum enclosures and high-excursion woofers, for high-fidelity audio with minimal visual impact.
All Terrain Satellites
| Model | Drivers | Dimensions | Sensitivity | Frequency Response |
|---|---|---|---|---|
| AT32 | 0.75" aluminum dome / 3" aluminum cone | 3.9" × 3.9" × 7.0" | 87 dB | 100 Hz – 20 kHz |
| AT42 | 0.75" aluminum dome / 4" aluminum cone | 4.75" × 4.75" × 7.88" | 89 dB | 80 Hz – 24 kHz |
| AT62 | 1" aluminum dome / 6.5" aluminum cone | 6.8" × 6.8" × 10.5" | 90 dB | 70 Hz – 20 kHz |
Subterranean In-Ground Subwoofers
| Model | Driver | Dimensions | Sensitivity | Frequency Response |
|---|---|---|---|---|
| ST8 | 8" aluminum | 10.5" × 10.95" × 10.5" | 87 dB | 28 – 180 Hz |
| ST10 | 10" aluminum | 11.13" × 14.38" × 18.5" | 88 dB | 24 – 140 Hz |
| ST12 | 12" aluminum | 14.0" × 11.75" × 16.5" | 91 dB | 22 – 140 Hz |
| ST15 | 15" aluminum | 16.5" × 16.5" × 22.5" | 91 dB | 20 – 120 Hz |
| ST21 | 21" aluminum | 24.0" × 24.0" × 24.0" | 91 dB | 18 – 120 Hz |
Related Products:
James AT32
Introduction
3" AT Series landscape speaker featuring a coaxial 0.75" aluminum dome tweeter with 3" woofer in durable aircraft aluminum housing. Weather-resistant design with aluminum grille and Santoprene™ surround. Available in 4 Ohm or 70 volt (30W transformer) configurations with 100-20kHz frequency response for powerful outdoor audio. Mounting options include ground stakes (12" or 18") or tree/wall mounts. Available in any 16 standard James finish at no additional charge, or custom finish for an upcharge.
James AT42
Introduction
4" AT Series landscape speaker featuring a coaxial 0.75" aluminum dome tweeter and 4" woofer with built-in low-loss crossover. Crafted from aircraft aluminum with Santoprene components for exceptional durability in outdoor settings. Available in 4-ohm or 70-volt configurations for powerful, smooth audio performance in any environment. Mounting options include ground stakes (12" or 18") or tree/wall mounts. Available in any 16 standard James finish at no additional charge, or custom finish for an upcharge.
James AT62
Introduction
6.5" AT Series landscape speaker featuring a coaxial 1" aluminum dome tweeter with high-excursion 6.5" woofer. Built with durable aluminum cone and Santoprene™ surround for outdoor resilience. Available in 4 Ohm or 70 volt configurations with smooth 70-20kHz frequency response in all weather conditions. Mounting options include ground stakes and tree/wall mounts. Available in any 16 standard James finish at no additional charge, or custom finish for an upcharge.
James ST10
Introduction
The ST10 is a landscape subwoofer for small to medium areas, offering flexible configurations with satellite speakers. Its 10" compression band pass design ensures deep bass, while durable materials like aluminum and stainless steel protect against weather. Designed for burial with a hooded port, it integrates discreetly into outdoor environments.
Product Gallery
Features, Specifications, and Manuals
- All-copper toroidal transformer (70V models)
- Direct burial, compression bandpass subwoofer design
- Marine grade
- Available in a selection of standard or custom colors
- TAA Compliant
| Specification | Details |
|---|---|
| SKU | ST10 |
| Speaker Woofer | (1) 10" (254mm) Aluminum |
| Frequency Response (+/- 3db) | 24Hz - 140Hz |
| Sensitivity | 88dB (2.83V/1m) |
| Enclosure | Aluminum |
| Nominal Impedance (Ohms) | 4 ohms or 70V |
| Dimensions (WxHxD) | 11.13" x 14.38" x 18.5" (282.58mm x 365.13mm x 469.9mm) |
- ST10-70 Data Sheet (PDF) - Sales & Data Sheets
- ST10-4 Data Sheet (PDF) - Sales & Data Sheets
- James Standard Colors and Upgraded Finishes (PDF) - Sales & Data Sheets
- Tech Note Landscape System Output Bass (PDF) - Sales & Data Sheets
- Subterranean Installation Guide (PDF) - Instructions
- ST10 cad file (PDF) - Drawings & Images
- ST10 cad file (DWG) - Drawings & Images
- Sonance DSP Speaker Presets Sonance DSP SpeakerPresets 2026.08.03 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect Speaker Preset Library BlazebySonance SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect PRO Speaker Preset Library SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- James ST10 Product Page - Official manufacturer product information, documentation, and support resources.
James ST12
Introduction
The ST12 is a landscape subwoofer for medium-sized audio zones needing extra SPL. Its 12" compression band pass design delivers deep bass, with durable aluminum and stainless steel construction for weather resistance. Designed for burial with a hooded port, it blends seamlessly into outdoor environments with minimal visual impact.
Product Gallery
Features, Specifications, and Manuals
- All-copper toroidal transformer (70V models)
- Direct burial, compression bandpass subwoofer design
- Marine grade
- Available in a selection of standard or custom colors
- TAA Compliant
| Specification | Details |
|---|---|
| SKU | ST12 |
| Speaker Woofer | (1) 12" (304mm) Aluminum |
| Frequency Response (+/- 3db) | 22Hz - 140Hz |
| Sensitivity | 91dB (2.83V/1m) |
| Enclosure | Aluminum |
| Nominal Impedance (Ohms) | 4 ohms or 70V |
| Dimensions (WxHxD) | 14.0" x 11.75" x 16.5" (355.6mm x 298.45mm x 419.1mm) |
- ST12-70 Data Sheet (PDF) - Sales & Data Sheets
- ST12-4 Data Sheet (PDF) - Sales & Data Sheets
- James Standard Colors and Upgraded Finishes (PDF) - Sales & Data Sheets
- Tech Note Landscape System Output Bass (PDF) - Sales & Data Sheets
- Subterranean Installation Guide (PDF) - Instructions
- ST12 cad file (PDF) - Drawings & Images
- ST12 cad file (DWG) - Drawings & Images
- Sonance DSP Speaker Presets Sonance DSP SpeakerPresets 2026.08.03 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect Speaker Preset Library BlazebySonance SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect PRO Speaker Preset Library SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- James ST12 Product Page - Official manufacturer product information, documentation, and support resources.
James ST15
Introduction
The ST15 is a landscape subwoofer for medium to large zones requiring high SPL. Its 15" compression band pass design delivers powerful bass, with durable aluminum and stainless steel construction for weather resistance. Designed for burial, it integrates discreetly into outdoor spaces, leaving only the hooded port visible.
Product Gallery
Features, Specifications, and Manuals
- All-copper toroidal transformer (70V models)
- Direct burial, compression bandpass subwoofer design
- Marine grade
- Available in a selection of standard or custom colors
- TAA Compliant
| Specification | Details |
|---|---|
| SKU | ST15 |
| Speaker Woofer | (1) 15" (381mm) Aluminum |
| Frequency Response (+/- 3db) | 20Hz - 120Hz |
| Sensitivity | 91dB (2.83V/1m) |
| Enclosure | Aluminum |
| Nominal Impedance (Ohms) | 4 ohms or 70V |
| Dimensions (WxHxD) | 16.5" x 16.5" x 22.5" (419.1mm x 419.1mm x 571.5mm) |
- ST15-70 Data Sheet (PDF) - Sales & Data Sheets
- James Standard Colors and Upgraded Finishes (PDF) - Sales & Data Sheets
- Tech Note Landscape System Output Bass (PDF) - Sales & Data Sheets
- Subterranean Installation Guide (PDF) - Instructions
- ST15 cad file (PDF) - Drawings & Images
- ST15 cad file (DWG) - Drawings & Images
- Sonance DSP Speaker Presets Sonance DSP SpeakerPresets 2026.08.03 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect Speaker Preset Library BlazebySonance SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect PRO Speaker Preset Library SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- James ST15 Product Page - Official manufacturer product information, documentation, and support resources.
James ST21
Introduction
The ST21-4 is a 21" subterranean subwoofer designed for high SPL bass output in outdoor environments. It features a powerful 21" transducer, optimized for maximum excursion and SPL, delivering exceptional low-end performance for outdoor audio applications.
Product Gallery
Features, Specifications, and Manuals
- All-copper toroidal transformer (70V models)
- Direct burial, compression bandpass subwoofer design
- Marine grade
- Available in a selection of standard or custom colors
- TAA Compliant
| Specification | Details |
|---|---|
| SKU | ST21 |
| Speaker Woofer | (1) 21" (534mm) Aluminum |
| Frequency Response (+/- 3db) | 18Hz - 120Hz |
| Sensitivity | 91dB (2.83V/1m) |
| Enclosure | Aluminum |
| Nominal Impedance (Ohms) | 4 ohms |
| Dimensions (WxHxD) | 24.0" x 24.0" x 24.0" (609.6mm x 609.6mm x 609.6mm) |
- ST21 Data Sheet (PDF) - Sales & Data Sheets
- James Standard Colors and Upgraded Finishes (PDF) - Sales & Data Sheets
- Tech Note Landscape System Output Bass (PDF) - Sales & Data Sheets
- Subterranean Installation Guide (PDF) - Instructions
- ST21 cad file (PDF) - Drawings & Images
- ST21 cad file (DWG) - Drawings & Images
- Sonance DSP Speaker Presets Sonance DSP SpeakerPresets 2026.08.03 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect Speaker Preset Library BlazebySonance SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect PRO Speaker Preset Library SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- James ST21 Product Page - Official manufacturer product information, documentation, and support resources.
James ST8
Introduction
The ST8 is a compact landscape subwoofer offering flexible configurations with satellite speakers for mono, stereo, or multi-speaker setups. Its direct burial, 8" compression band pass design delivers deep bass, while durable materials like aluminum and stainless steel ensure weather resistance.
Product Gallery
Features, Specifications, and Manuals
- All-copper toroidal transformer (70V models)
- Direct burial, compression bandpass subwoofer design
- Marine grade
- Available in a selection of standard or custom colors
- TAA Compliant
| Specification | Details |
|---|---|
| SKU | ST8 |
| Speaker Woofer | (1) 8" (203mm) Aluminum |
| Frequency Response (+/- 3db) | 28 - 180Hz |
| Sensitivity | 87dB (2.83V/1m) |
| Enclosure | Aluminum |
| Nominal Impedance (Ohms) | 4 ohms or 70V |
| Dimensions (WxHxD) | 10.5" x 10.95" x 10.5" (266.7mm x 278.13mm x 266.7mm) |
- ST8-4 Data Sheet (PDF) - Sales & Data Sheets
- ST8-70 Data Sheet (PDF) - Sales & Data Sheets
- James Standard Colors and Upgraded Finishes (PDF) - Sales & Data Sheets
- Tech Note Landscape System Output Bass (PDF) - Sales & Data Sheets
- Subterranean Installation Guide (PDF) - Instructions
- ST8 cad file (PDF) - Drawings & Images
- ST8 cad file (DWG) - Drawings & Images
- Sonance DSP Speaker Presets Sonance DSP SpeakerPresets 2026.08.03 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect Speaker Preset Library BlazebySonance SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- PowerZone Connect PRO Speaker Preset Library SpeakerPresets 20260819.1 (ZIP) - Ease Files & Speaker Presets
- James ST8 Product Page - Official manufacturer product information, documentation, and support resources.