B&W CT8SW無源低音炮介紹，寶華韋健CT800系列產品，為使 CT8 LR 揚聲器的低音下潛至 13 Hz 而設計的 CT8 SW 是一款無源可入墻式低音炮，采用 Matrix 支撐系統的 70 升容量箱體中具有一個 15 in 的 Rohacell®驅動器，易于安裝，可輕松發出令人難以置信的低音。

Technical features Composite sandwich
cone bass
Matrix cabinet
Active bass crossover
Description Closed-box subwoofer
Frequency range -6dB at 13Hz and 750Hz
-3dB at 18Hz and 500Hz
Sensitivity 93dB spl (2.83V, 1m)
Nominal impedance 8Ω (minimum 4Ω)
Recommended 50W – 1000W into 8Ω
amplifier power on unclipped programme
Max. recommended
cable impedance 0.1Ω
Dimensions Height: 475mm (18.7 in)
Width: 475mm (18.7 in)
Depth: 475mm (18.7 in)
Net weight 35kg (177 lb)
Finishes Cabinet: Black