Atlas Sound AS-10ST-B 10" AS Series Surface Mount Subwoofer, Passive (Black)
Atlas Sound AS-10ST-B 10" AS Series Surface Mount Subwoofer, Passive (Black) is backordered and will ship as soon as it is back in stock.
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Product Overview
The Atlas Sound AS-10ST-B is a passive 10" surface mount subwoofer that extends low-frequency response and adds system headroom to AtlasIED AS Series full-range loudspeakers in commercial audio installations. Its IP55-rated, UV-inhibited ABS enclosure makes it equally at home indoors or in exposed outdoor locations such as patios, courtyards, and stadium concourses. A 200W low-insertion-loss transformer with slide-selector taps supports 70V and 100V distributed audio systems, while a low-impedance bypass serves direct-amplified designs. The textured black finish disappears against dark facades, truss, and nighttime venue environments.
Product Description

Full-range surface mount speakers handle speech and mid-band music well, but commercial systems that play program music need dedicated low end — and that is the role the AS-10ST-B fills. The direct-radiating design uses a high-excursion, weather-treated 10" woofer with a highly damped butyl rubber surround to deliver consistent, impactful bass from 34Hz to 800Hz (-10dB), with a rated frequency response of 43Hz to 600Hz (+/-3dB). Power handling is substantial: 300W average, 600W program, and 1200W peak, producing up to 118dB average and 124dB peak SPL. For distributed audio installation, the ultra-low insertion loss 200W transformer offers 200W, 100W, and 50W taps (25W at 70V) selected via a rear slide switch with a security cover, plus low-impedance bypass at a nominal 4 ohms for amplifiers rated around 600W at 4 ohms. The included slip-free yoke mount (C-bracket) makes safe overhead or wall installation straightforward, and the powder coated aluminum grille shrugs off impacts in high-traffic spaces. System designers get a complete suite of EASE (including EASE Focus compatibility), CF2, 3D CAD, and BIM/Revit files from the manufacturer, and advanced tunings are available through the AtlasIED Atmosphere DSP platform. The same subwoofer is offered in white as the AS-10ST-W for bright interiors and light architectural surfaces.
Key Features
- High-Excursion 10" Weather-Treated Woofer — Butyl rubber surround delivers controlled, impactful bass in both indoor and outdoor commercial sound systems.
- IP55-Rated ABS Enclosure — UV-inhibited, scuff-resistant housing performs reliably through rain, humidity, and direct sun exposure.
- 200W Low-Insertion-Loss Transformer — Preserves dynamics and bass extension on 70V and 100V distributed audio lines where lesser transformers fall flat.
- Selectable Taps with Security Cover — Rear slide switch sets 200W, 100W, 50W (25W at 70V), or low-impedance bypass without removing the speaker.
- 1200W Peak Power Handling — Substantial headroom yields up to 124dB peak SPL for music-forward venues.
- Slip-Free Yoke Mount Included — Color-matched C-bracket with hardware covers simplifies secure wall or overhead installation.
- AS Series Voicing Match — Engineered to integrate with AS Series full-range loudspeakers for a coherent system response.
- Design File Support — EASE, EASE Focus, CF2, 3D CAD, and BIM/Revit files support accurate system modeling, with advanced tunings via the Atmosphere DSP platform.
Typical Applications
- House of worship music reinforcement
- Auditorium and multi-purpose room low-frequency support
- All-hands room and commercial meeting space audio
- Government space sound reinforcement
Technical Specifications
| Model | AS-10ST-B (Black) |
| Type | Direct radiating passive subwoofer |
| Frequency Range (-10dB) | 34Hz – 800Hz |
| Frequency Response (+/-3dB) | 43Hz – 600Hz |
| Sensitivity (1W/1m) | 93dB |
| Power Handling | 300W average / 600W program / 1200W peak |
| Recommended Amplifier | 600W @ 4 ohms |
| Nominal Impedance | 4 ohms (minimum 4.9 ohms) |
| Maximum SPL | 118dB average / 124dB peak; 116dB average at max transformer tap |
| Transformer Taps | 200W, 100W, 50W (25W @ 70V) and low-Z, via slide selector |
| Enclosure | High-impact ABS with UV inhibitor, powder coated aluminum grille |
| Ingress Protection | IP55 |
| Dimensions (H x W x D) | 23.4" x 12.25" x 11.74" (594.4 x 311.2 x 298.2 mm) |
| Weight | 35.27 lbs (16.0 kg) |
| Included | Slip-free yoke mount (C-bracket) |
| Warranty | 5-year limited (60 months from date of purchase) |
Frequently Asked Questions
Which speakers pair with the AS-10ST-B?
It is voiced to complement AtlasIED AS Series full-range surface mount loudspeakers, such as the AS-10T, extending low-frequency response and adding headroom to the system.
Does it work on a 70V distributed audio system?
Yes. The built-in 200W transformer provides 200W, 100W, and 50W taps (25W at 70V) plus a low-impedance bypass, all selectable from a rear slide switch with a security cover.
Can it be installed outdoors?
Yes. The IP55-rated ABS enclosure with UV inhibitor and weather-treated woofer are designed for rain, humidity, and high-UV environments as well as indoor use.
What amplifier should drive it in low-impedance mode?
AtlasIED recommends approximately 600W at 4 ohms. Creation Networks can help match an amplifier to your overall system design.
Is mounting hardware included?
Yes. A color-matched, slip-free yoke mount (C-bracket) with hardware covers ships in the box for wall or overhead installation.
Is this subwoofer available in white?
Yes. The identical specification in a white finish is sold as the AS-10ST-W.
What warranty applies?
AtlasIED provides a five-year limited warranty (60 months from purchase), backed by Creation Networks order support.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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