Newegg.com has a Sennheiser PXC 150 Active Noise Cancelling Headphones for $18 after $25 trade in rebate with Free Shipping.
n- n
- Closed supra-aural stereo mini headphones with switchable NoiseGard active noise cancelling n
- Ideal for air travel and noisy environments n
- Ultra-lightweight design and soft ring ear pads n
- Excellent sound quality with deep powereful bass performance n
- Supplied with two adaptors (1/4″ stereo jack and 3.5 mm double mono jack)