Astro A40 Vs. Astro A50
The A40 by Astro with a 1.0m A40 Mobile Cable, 1.5m PC Splitter/Adapter cable. This delivers a frequency response of 20 - 21,000 Hz. It also has a 6.0mm unidirectional microphone. And only weighs in at 324 grams w/o cable.
The A50 by Astro is a 7.1 (with ASTRO MixAmp) channel gaming headset with a 1.0m USB Power Cable, 0.5m USB Charging Cable, 1.0m Optical Cable, 1.5m XBOX Live Chat cable. This delivers a frequency response of 20Hz - 20,000 KHz and a sensitivity of 118 dB. It also has a 6.0mm uni-directional noise cancelling microphone. And only weighs in at 363g w/o cable.