David Clark Over-The-Head, Dual Ear Headset

The H3432 is an over-the-head, dual ear headset designed for use in high-noise environments, making it ideal for fire, rescue, and EMS operations. This headset is part of the David Clark Series 3400 and is engineered to provide clear communication while offering superior noise attenuation and comfort. The dual ear design ensures that users can focus on communication without interference from ambient noise.

FEATURES
• Noise-Canceling Microphone: Equipped with an M-7A electret microphone that effectively cancels out background noise, ensuring clear transmission
• Dual Ear Design: Provides isolated reception and exceptional speech intelligibility, with dynamic earphone elements for high-quality audio
• Comfortable Fit: Features advanced undercut gel ear seals that cradle the ears for superior comfort, even during extended use
• Adjustable Headband: Includes a low-tension headband assembly and pivoting stirrup assemblies on both ear cups to ensure a precise fit
• Durable Construction: Built with rugged materials, including carbon steel hardware with a chrome finish, to withstand harsh environments
• Microphone On/Off Switch: Located on the ear cup for easy access and control

BENEFITS
• Enhanced Communication: Ensures clear and reliable communication in high-noise environments, critical for safety and efficiency during emergency operations
• Superior Comfort: Designed for long-term wear with features that reduce pressure points and provide a secure, comfortable fit
• Durability: Constructed to withstand the rigors of demanding environments, ensuring long-lasting performance

SPECIFICATIONS
• Weight: 14.1 oz (400 g)
• Noise Reduction Rating (NRR): 23 dB
• Microphone: M-7A electret, noise-canceling
• Microphone Impedance: 150Ω nominal
• Microphone Sensitivity: 400 mV +/- 6 dB into 150Ω load @ 1 kHz for 114 dB SPL input
• Microphone Frequency Response: 300-3,500 Hz
• Microphone DC Supply Voltage: 8-16V, 470Ω, not polarity sensitive
• Earphone Impedance: 300Ω each, wired in series
• Earphone Sensitivity: 90 dB SPL re 1 mW @ 1 kHz
• Earphone Frequency Response: 200-5,500 Hz
• Comm Cord: 6 ft. extended coil cord with ¼” stereo plug