Altronics proudly announce the release of the brilliant C 9069 Active Noise Reduction (ANR) model.

Includes all the high grade specifications of the C9070 model and fitted with a flexible boom which can be positioned either on the left or right hand side.

Features:
• Extra thick ventilated cushion headpad for maximum comfort
• Corrosion proof chrome plated steel
• Stirrup pivot assembly gives ear cups universal fit
• High quality shielded lead
• Soft gell filled polyurethane ear seals for exceptional comfort and maximum attenuation
• Lock nut construction for customised fit. Set it once it fits you right every time
• Earphones (300 ohms each) wired in parallel for safety and reliability
• Earphones compatible with 150 - 1500 ohm systems
• Volume control with memory indents, allows you to adjust to a comfortable level
• Universal boom allows microphone to be placed on the left or right side of mouth
• Spring tension boom assembly for precise microphone placement
• High performance Noise Cancelling Electret Microphone

Specifications
Attenuation Frequency Band	20 Hz ~ 20 kHz
Main Attenuation Frequency Band	20 Hz ~ 600 Hz
Attenuation Capability	18 ~ 21 dB
Power Comsumption	30 mW
Active Noise Attenuation	Dynamic 42 ohm, 30Ø. Maximum Power: 100mW
Speech Sound	Dynamic 300 ohm, 30Ø. Maximum Power: 100mW
Frequency Response	20 Hz ~ 15 kHz
Sensitivity	95± 3dB (SPL) 1 mW
Working Voltage	5 ~ 8 V DC (AA Size Batteries x 4)
Battery Life	over 100 hours

Attenuation Characteristics
Frequency (Hz)	125	250	500	1000	2000	3000	4000	6000	8000
Attenuation (dB)	14.3	21.5	27.1	31.8	36.0	39.6	41.8	39.7	37.0
Standard Deviation	3.3	2.4	1.5	1.6	1.3	2.1	2.1	2.0	1.3

NATA Approved
Altronic headsets have now been certified by National Acoustic Laboratories and have been given an SLC80 rating of 29. (Many other popular makes have a much lower rating, typically in the order of 23 - 26.)