See the Bowers and Wilkins ASW608 Subwoofer here: https://www.bowerswilkins.com/net/home-audio/asw608

Power-Packed:

Under the skin of ASW608 is a powerful amplifier that gives it the ability to hit hard with music and movies.

Mighty Mini:

The 203.2mm driver in ASW608 is designed for fast, tight and dramatic bass - Even in very small rooms.

Specifications of the Bowers and Wilkins ASW608 Anniversary Subwoofer:

Features:

• Volume Level - Line In
• Volume Level - Speaker In
• Low-Pass Filter Frequency
• Low-Pass Filter Bypass (Line In Only)
• Bass Extension
• Bass Roll-Off Alignment
• Auto Sense On/Standby
• Phase Switch
• Model: ASW608
• Drive Unit: 200mm paper/Aramid Fibre Cone long-throw
• Power Output: 200W
• rated Power Consumption: 40W
• Standby Power Consumption: 0.5W
• Input Impedance: 33kΩ
• Signal/Noise: >90dB
• Inputs:  Stereo Line In (RCA Phono)
• Speaker In (Binding Post)
• 12V Trigger (3.5mm Jack)
• Dimensions:
• 260mm (H) x 260mm (W) x 305mm (D)
• (Incl. Feet) 272mm (H) x 260mm (W) x 305mm (D)
• (Incl. Spikes) 288mm (H) x 260mm (W) x 305mm(D)
• Net Weight: 8.85kg