




Subsonic Subwoofer & Speaker System
Take your audio experience to the next level with the Steepletone Subsonic, a premium 3-part subwoofer system designed to deliver powerful, immersive sound. Engineered for music enthusiasts, this advanced system features a 10-watt subwoofer and two 5-watt satellite speakers, creating a balanced and dynamic listening experience with crisp highs and deep, resonant bass.
Key Features of the Steepletone Subsonic Subwoofer System
- Powerful 3-Part Sound System: Enjoy superior audio performance with a 10W subwoofer and 2 x 5W satellite speakers, delivering rich, full-range sound for any music genre.
- Customizable Audio Controls: Fine-tune your listening experience with built-in bass and treble controls, ensuring the perfect sound for vinyl classics, digital playlists, or radio hits.
- Versatile Connectivity: The Subsonic features L & R RCA jack plug line-in and line-out connections, making it compatible with a wide range of audio setups and devices.
- Remote Control Convenience: Adjust volume, bass, and treble with ease using the included remote control, providing effortless operation from the comfort of your seat.
- Perfect Pairing for Steepletone Systems: Specially designed to complement Steepletone Music Centres and Record Players, the Subsonic enhances your audio system’s performance and delivers a superior listening experience.
Why Choose the Steepletone Subsonic?
Whether you’re a vinyl enthusiast or a digital music lover, the Steepletone Subsonic Subwoofer System is the perfect addition to your setup. Its powerful sound, customizable controls, and versatile connectivity make it an essential upgrade for anyone looking to enhance their audio experience.
Experience clear highs, rich mids, and deep bass with the Steepletone Subsonic—a subwoofer system that brings your music to life.
Upgrade your sound today with the Steepletone Subsonic 3-Part Subwoofer System and enjoy the perfect combination of power, precision, and style.
Pairs well with

Subsonic Subwoofer & Speaker System
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Contact Us
We're here to help! You can reach us by phone at 01869 810081 or by email at Service@steepletone.com for support and Sales@steepletone.com for product enquiries. Our team is available Monday to Friday, 9am–5pm, and we're always happy to assist with any questions or advice you may need.
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Shipping Information
We offer free standard delivery on all orders, with an estimated arrival time of 3–4 working days. Orders over £100 qualify for free premium delivery in just 1–2 working days. Need it faster? Choose our next day delivery option at checkout for only £5.99.
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Customer Service
We’re proud to offer a dedicated UK helpline where real people are ready to help you choose the right product and guide you through setup if needed. This personal, expert service sets us apart from larger companies and other UK or EU brands in our market — because we believe customer support should be just as reliable as the products we sell.