4DX Classic Just the way you want it. Our classic 4DX has a wire-articulated boom with fingertip adjustable screws. You can easily position the microphone exactly where you want it. Another comforting feature? The ventilated, cushioned headband helps you keep a cool head. This classic is always a bestseller because of its comfort and affordability. Comfortable, ventilated foam-rubber headpad Easy to adjust headband Liquid/foam ear seals provide excellent noise attenuation Noise-canceling electret microphone Fingertip adjustable screws Single-volume control adjusts both ear cups Easy to position wire-articulated boom

Microphone: Noise-canceling electret Mic muff included Ear Seal: Liquid/foam Cloth ear seal covers included 4LX Listen Only The 4DX headset with ventilated, cushioned headpad, combined liquid and foam ear seals. Single-volume control, coil cord with mono 1/4" headphone plug. NRR 24dB. Also available with 4-conductor single helicopter plug (U-174/U). Comfort: The ventilated, cushioned headpad lets air in and heat out for cool comfort. If you want something softer, it's easy to attach our polar fleece headpad. Liquid/foam ear seals snugly wrap around your ears. Innovation: With its fingertip screws,...