Yamaha NS-SW050 8″ Powered Subwoofer 100W, Front-Firing

Yamaha NS-SW050 8″ Powered Subwoofer 100W, Front-Firing

A compact, well-engineered powered subwoofer from Yamaha featuring two proprietary bass technologies that deliver tight, accurate, and genuinely deep low-frequency performance well beyond what its modest size suggests — in very good condition.

The NS-SW050 is built around two core Yamaha technologies that work together to produce unusually clean, controlled bass for a subwoofer in this class. Advanced YST II (Yamaha Active Servo Technology II) uses negative-impedance and constant-current principles to dynamically optimize speaker impedance, ensuring the 8-inch cone driver moves with tight linearity and accuracy rather than the loose, boomy bass that plagues many budget subwoofers. The Twisted Flare Port takes this further: its gently twisting, flared shape diffuses the vortex of air generated at the port opening, smoothing airflow and dramatically reducing port noise and chuffing — even at higher volumes. The result is bass that reviewers consistently describe as tight, clean, and realistic, whether for the deep rumble of movie sound effects or the punch of bass-heavy music.

The compact, gently rounded cabinet with slanted front panel and matte black finish is designed to sit discreetly in a living room or home theater space without drawing attention to itself. Setup is straightforward: a single RCA line-level input connects to the subwoofer output of any AV receiver or integrated amplifier, and the rear-panel volume and crossover controls allow easy level matching to your main speakers. The NS-SW050 pairs naturally with the full Sony CS series speakers also available from Radique, making it an ideal addition to a Sony CS / Denon AVR-X1700H home theater system.

Key Specifications:

Type: Powered bass-reflex subwoofer

Driver: 20 cm (8-inch) cone, front-firing

Output power: 50 W (100 Hz, 5 ohms, 10% THD); 100 W dynamic peak

Frequency response: 28 – 200 Hz

Technologies: Advanced YST II, Twisted Flare Port

Input: 1 × RCA line-level

Port: Side-firing Twisted Flare Port

Finish: Matte black

Condition: Very good condition, fully tested

Dimensions: (Width x Height x Depth) 291 x 292 x 341 mm (11.5 x 11.5 x 13.375 inches)

Weight: 8.5 kg (18.7 lbs)

A very good condition Yamaha NS-SW050 delivering tight, accurate, deep bass courtesy of Yamaha’s Advanced YST II and Twisted Flare Port technologies — a compact, versatile, and sonically capable subwoofer that adds genuine low-frequency impact to any home theater or music system.

Backed by Radique Audio’s 90-day warranty and our perpetual trade-back policy, you can purchase with confidence; asking $195.