Mad Orc offers the AntLion ModMic 4.0 Microphone for $29.99 plus $5 for shipping. That's $5 under our mention from last month, $15 off list, and the lowest total price we've seen. This microphone attaches to most headphones and features 100Hz to 10kHz frequency response and 2.2 KOhms impedance. Deal ends March 31.
Note: After purchase you will receive a code redeemable for the ModMic from the AntLion website store.