OSD Audio SL800D Trimless In-Wall Subwoofer | Dual 8-Inch Woofers, 300W

Elevate your in-wall audio with the SL800D

The OSD Audio SL800D Trimless In-Wall Subwoofer is designed to deliver deeper, more controlled bass for home theaters, media rooms, and distributed audio systems. Its sealed enclosure and dual 8 inch polypropylene drivers work together with a passive radiator to extend low frequency output while minimizing wall cavity resonance.

Key advantages at a glance

• Deeper, more powerful bass with reduced distortion thanks to the dual 8 inch drivers and a passive radiator.
• Sealed enclosure yields a tight, controlled bass response ideal for both music and film soundtracks.
• Flush trimless profile with a magnetic paintable grille for a discreet, customizable look in any décor.

Power and integration for custom installs

Designed to pair with an external sub amplifier, the SL800D can handle up to 300 watts of power for clean, consistent bass reinforcement without floor space tradeoffs.

• Compact form supports flexible placement within standard wall framing.
• Ideal for dedicated home theaters, family rooms, and distributed audio layouts where space is precious.

Build quality and finish you can rely on

The factory sealed in-wall enclosure minimizes wall cavity resonance and vibration, delivering precise low-end performance that blends with your existing speakers and AV gear. The magnetic grille is paintable to match surrounding décor for a seamless installation.