SoundTube S1.8TW Three-Way On-Wall Surround Speaker, Black Gloss Finish

The S1.8TW Black Gloss is a precision-engineered three-way on-wall surround speaker featuring an 8″ Kevlar-cone woofer, 3″ soft-dome midrange, and 1.125″ large-format soft-dome tweeter. Patented S4X™ crossover and driver-control technology deliver seamless integration, superior imaging, and exceptionally smooth off-axis performance.

Built in a ported MDF enclosure with gold-plated binding posts and a snap-fit cloth grille, the S1.8TW handles up to 200 W RMS for powerful, distortion-free surround channels. Combine with other Induction Dynamics® speakers—whether in-wall, on-wall, or free-standing—for a custom home-theater experience.

Key Features

• Drivers: 8″ Kevlar cone woofer; 3″ soft-dome midrange; 1.125″ large-format soft-dome tweeter
• Enclosure: Ported on-wall design
• Crossover: Patented S4X™ at 500 Hz & 3.7 kHz
• Inputs: Gold-plated binding posts
• Grille: Cloth, snap-fit
• Finish: Black Gloss

Technical Specifications

• Height: 53.75 in (1 365.3 mm)
• Width/Diameter: 10.5 in (266.7 mm)
• Estimated Depth: ~4 in (101.6 mm) *(est.)*
• Frequency Response (±3 dB): 50 Hz – 20 kHz
• Max. Continuous Power (RMS): 200 W
• Nominal Impedance: 4 Ω
• Sensitivity: 87 dB @ 1 W/1 m; 90 dB @ 2.83 V/1 m
• Tweeter Driver: 1.125″ large-format soft dome
• Midrange Driver: 3″ soft dome
• Woofer Driver: 8″ Kevlar cone with coated foam surround

What’s Included

• Snap-fit cloth grille