Sub 4 Subwoofer

Sub 4 unlocks the full power of Sonos sound to immerse you deeper in every scene and song.

Specifications and Features:

• Dimensions: 15.31″ H × 15.83″ W × 6.22″ D

• Weight: 26 lb (11.8 kg)

• Finish: Matte

Audio & Performance

• Dual inward‑firing 5″ × 8″ elliptical woofers

• Dual Class‑D digital amplifiers, one per woofer

• Ported cabinet design for extended, deep bass

• Frequency response down to 25 Hz

• Force‑cancelling architecture to virtually eliminate distortion

Tuning & Integration

• Automatic EQ adjustments via Sonos app to balance with paired speakers

• Trueplay room‑adaptive tuning for optimized acoustic performance

• Adjustable bass, treble, and loudness controls in app

Connectivity & Power

• Connects over dual‑band Wi‑Fi 6 (2.4/5 GHz)

• 10/100 Ethernet port for wired setups

• Internal 100–240 V power supply with included cable

Hardware & Tech

• Quad‑core CPU (4 × 1.9 GHz)

• 512 MB RAM and 4 GB internal storage

• Single “Join” button for easy setup

Installation & Placement

• Designed for upright or horizontal placement

• Wireless placement capability—no audio cables required

• Compatible with Sonos soundbars and speakers for home‑theater or music use

Extras

• Matte styling and compact footprint suit any interior

• Supports pairing two subs for enhanced depth and coverage

• Engineered for long-term software support and performance