Profile: Sensaphonics Hearing Conservation, Inc. is a manufacturer of earphones. We design custom personal monitors and ear plugs. We market our products to musicians, theatrical, broadcast, aeronautics, motorsports, communications & personal listing. Our in-ear monitor system is used to hear the mix clearly at lower volumes. We also offer 3D active ambient custom IEM system, Shure earphone sleeves, aura sound drum shaker & Shure PSM series systems. Our custom fit products include 3D active ambient™ IEM System, 3D active ambient™ hardwired system, 2MAX™ earphones, prophonic custom 2X-S™ ProPhonic TC-1000™, ProPhonic 321™, e-Racer 500 earphones, 221 custom single ear phone, ER series custom ear plugs & sleep ear plugs. Our solid sleep earplug avoids the hearing of telephones, snoring or passing train sounds. Our custom earplugs are specially designed to reduce volume levels without changing frequency response. The 3D Active ambient is a unique, revolutionary IEM system that allows hearing & monitoring the selected level of on-stage ambient sound & keeps the ears acoustically sealed. The 2MAX™ is a custom-fit, dual-driver earphone optimized to use with wireless personal monitor systems.