Mini makes a big impact with the Sonos Sub Mini Wireless Subwoofer. Feel more immersed in every scene and song with surprisingly rich; clear; and balanced low end. Key Features: - 5 GHz WiFi connection enhances audio transmission speed so you can enjoy films; shows; and games with high-quality sound reliably synced with your TV - Never miss a beat and hear more nuance in every note when you pair Sub Mini with One or One SL (not included) - Within the acoustically-sealed cabinet; dual custom woofers generate the full-toned low frequencies of a much larger subwoofer - Both woofers face inwards to create a force-cancelling effect that neutralises distortion - Trueplay™ tuning technology adapts the bass for the unique acoustics of the room so it never sounds harsh; muddy; or flat — even if you place Sub Mini next to the wall - Unique cylindrical design looks at home in your home; blends in beside your furniture and easily fits under a desk or table What's in the box? - Sub Mini Wireless Subwoofer - Black