Dell Home offers the Alienware TactX Headphones for $44.99 with free shipping. That's the lowest total price we could find by $19. These 3-piece headphones can be dismantled and feature full sized ear cushions and a retractable microphone.
Dell Home offers the Samsung 2.1-Channel 120-watt Soundbar, model no. HW-F355, for $87.99 with free shipping. (Amazon charges the same.) That's $10 under our summer mention and the lowest total price we could find by $10. It features two 60-watt speakers and a subwoofer with a 20Hz to 20kHz frequency response.
Dell Home offers the Sony ZX Series Noise-Canceling Headphones in Black, model no. MDR-ZX110NC, for $34 with free 1-day shipping. That's the lowest total price we could find by $3, although most sellers charge $45 or more. They feature 12 - 22000 Hz frequency response, 10 dB/mW sensitivity, and 45 Ohm impedence. One AAA battery is required for noise-canceling playback (not included).