Harman Kardon - HKTS210SUB/230 Speaker

The compact and powerful Harman Kardon HKTS210SUB/230 active subwoofer was designed to deliver an engaging cinematic and musical experience. With a built-in 200-watt amplifier and a 200 mm (8") downward-firing driver, this model delivers deep, solid bass that you can feel even at low volumes. The sealed enclosure contributes to precise, controlled sound. It features both LFE inputs and stereo RCA inputs, making it compatible with practically any AVR/receiver or preamplifier, and it is finished in a sleek glossy black color.

Specifications:
Low-frequency transducer: 200 mm (8") downward-firing cone.
Amplifier power: 200 Watts (FTC rated).
Frequency response: 45 Hz – 200 Hz (at 6 dB).
Enclosure type: sealed enclosure.

The subwoofer works perfectly.
For a better impression, see the photos