• Probe microphone for real ear measurement
• Equalized flat frequency response to 10 kHz
• Electrostatic-discharge protection
• Accurate measurements in all ear canals
• Touch-proof connectors
• Radio-frequency interference (RFI) rejection
• Battery operation prevents ground loop problems
• Convenient built-in 1 kHz calibrator: 94 dB SPL = 94 dB uV RMS

System Includes

• Microphone and cable assembly
• Preamplifier
• 20 probe tubes
• Velcro headband
• Earhook
• Shirt clip
• Carrying case