Massdrop offers the Creative Sound Blaster E3 USB DAC/Amp Combo, model no. 70SB161000000, for $89.99 with $2.55 for shipping. That's the lowest total price we could find by $37. This headphone amp features a 112 dB signal-to-noise ratio, built-in mic, line-in, and 4-pole analog cable. Deal ends May 4.
Note that this item has a ship date of May 18.