The PB17-Ultra R|Evolution is the ultimate performer in subwoofer speaker output. It features a massive 17-inch driver with dual 8-inch voice coils, powered by the most powerful amplifier ever used in a consumer subwoofer, with DSP intelligence that surpasses any available technology. It also includes advanced power management and automatic room EQ correction.

It delivers spectacular low frequencies with absolute accuracy and control. The deep, impressive performance of cinematic sound effects and the subtle nuances of musical bass are rendered with complete fidelity.

The low frequencies are easily managed without sacrificing sound fidelity and refined sound quality. Extending down to 12 Hz, well below the threshold of human hearing, the PB17-Ultra R|Evolution brings sound to life with stunning, immersive, and captivating impact.

• Driver: 17"
• Frequency Response: 14-220 Hz +/- 3 DB (Normal Mode), 12-220 Hz +/- 3 DB (Extended Mode), 14-320 Hz +/- 3 DB (Closed Mode)
• Dimensions (without grille): (635mm) H x (550mm) W x (723mm) D