The new $130 subwoofer comes with a cloth grille and supports multiroom audio.

A redesigned Echo Dot, a smart microwave and a subwoofer are just some of the new things Amazon unveiled at its September event.

Pocket-lint discovered these unannounced products on Amazon's UK website.

LG SJ4Y 2.1 Channel 300 Watt High-Resolution Audio Sound Bar with Wireless Subwoofer ...

Adorama offers a pair of Polk Audio LSiM 705 Floorstanding Speakers in Black, bundled with the open-box Polk Audio LSiM 704c Center Channel Speaker in Midnight Mahogany, for $1,149.99 with free shipping. That's $2,600 under the lowest price we could find for these items sold separately elsewhere.
The floorstanding speakers each feature a 5.25" super cell subwoofer, dual 5x7" Cassini subwoofer radiators, and a frequency response of 22Hz to 40kHz. The center speaker features a 3.25" mid-range driver, 1" tweeter, dual 5.25" woofers, 70Hz to 30kHz frequency response, and 8-ohms impedance.
Note: A 5-year Polk Audio warranty applies.