Today only, until 5 pm ET, World Wide Stereo via Rakuten offers new customers the Klipsch Reference S4i Premium In-Ear Noise-Isolating Headphones
in Black, model no. 1013731, for $52.49. Coupon code "NEW20" cuts it to $32.49
. With free shipping
, that's $6 below last week's mention and the lowest total price we've seen. (It's a current low by $23.) These earbuds feature a frequency response of 10Hz to 19kHz, four sizes of ear tips, 3.5mm plug, and more.