USM Subwoofer

We’re proud to introduce the USM Subwoofer —a purpose-built low-frequency solution designed to integrate seamlessly within existing USM systems. Engineered to deliver deep, controlled bass, the module enhances your listening experience while maintaining the precision and visual clarity of USM’s modular framework.

Reviews

Color Golden Yellow

Orientation Horizontal

Amplifier Sonos Amplifier

The USM Subwoofer delivers deep, controlled bass with precision and clarity, seamlessly integrating into USM’s modular system. Designed to complement a range of configurations, it enhances any listening setup with added depth, balance, and a refined architectural presence.

About the Subwoofer

The Symbol Subwoofer is designed as a compact, integrated low-frequency solution, bringing depth and control to any listening system. Built within USM’s modular framework, it delivers powerful, articulate bass in a refined, space-efficient form.

Engineered for balance and precision, the subwoofer extends the system’s frequency range with clarity and composure, ensuring seamless integration with surrounding components. Its carefully tuned enclosure minimizes resonance and distortion, preserving sonic integrity while maintaining the clean, architectural language of the system.

Features

Amplification: SpeakerPower SP1-300 Subwoofer Amplifier
Class-D plate amplifier with integrated DSP
Power Output: 300W @ 4Ω / 150W @ 8Ω
Driver: SB Acoustics SB29SWNRX-S75 10" Subwoofer
10" (254 mm) Norex paper cone
Impedance: 6Ω nominal
Sensitivity: ~84 dB (1W / 1m)
Excursion: ±11 mm linear xmax
Power Handling: 200W nominal / 400W program
Frequency Response: ~20 Hz – 500 Hz (system dependent)
Voice Coil: 3" (75 mm) copper, 4-layer for high power handling
Vented pole piece and cast aluminum chassis for reduced compression and distortion
DSP Controls: Adjustable gain, crossover (up to ~500 Hz), delay, and LF boost (±12 dB @ 25 Hz)
Inputs: Balanced (XLR) and unbalanced (RCA)
Design: High-efficiency, low-distortion system optimized for deep bass extension and control
Character: Deep, controlled low-frequency response with high output capability and clean transient performance
Powder-coated steel panels and chromed steel frame
GREENGUARD and Cradle to Cradle Certified®
Adjustable leveling feet
Available in 14 iconic colors