Adorama offers the Polk Audio MagniFi One 34.7" Bluetooth Soundbar with Wireless Subwoofer for $149.99 with free shipping. That's tied with our March mention as the lowest price we've seen. (It's the best deal now by $74, although most retailers charge at least $300.) The system features 240 watts of total system power, a 40Hz to 22kHz total frequency response, soundbar with 3" x 1" full-range drivers and 3.5mm auxiliary input, 7" wireless powered subwoofer, and remote control.
Adorama offers the Polk Audio 50-watt 10" Powered Subwoofer in Black for $74.99 with free shipping. That's $5 under our mention from last August and the lowest price we've seen. (It's a current low by $29.) It features a medium-density fiberboard enclosure, frequency response of 35Hz to 200kHz, and line-level and speaker-level inputs.
Best Buy via eBay the Polk T-50 Tower Speaker for the in-cart price of $74.99 with free shipping. (Amazon charges the same.) That's tied with our January mention and the lowest price we could find by $9. It features four drivers, a 34Hz to 24kHz frequency response, and 6 ohms of impedance.