The Hamilton HA7M Headphone with Boom Microphone starts with our class-leading HA7 headphones and adds a built-in boom microphone. The HA7M features soft leatherette style washable, replaceable ear cushions an easy-to-wear lightweight design with swivel ear-cups and a 3 meter long cord. All these features contribute to fatigue-free use in and out of the classroom. Comes in easy to mark medium gray colors.
Specifications:
• Stereo headphones with built-in boom microphone
• 1/8" mini plug headphone and microphone connections
• Impedance: 170 Ohms
• Speaker drivers: 57mm cobalt magnet type
• Headphone frequency response: 18 - 20 Hk
• Microphone - Electret Condenser, Omnidirectional Pickup
• Soft leatherette style washable ear cushions
• One Year Warranty
Specifications:
•Headphone: ◦40mm Neodymium
◦Frequency Response: 20-20,000 Hz
◦Impedance: 32 Ohms
◦Sensitivity: 100dB
◦Max. Input: 1v peak to peak
◦Plugs: 3.5mm Stereo Jacketed
◦Cord: 6' Braided Nylon, Sleeved Cord, Chew-Resistant, Braided Nylon Cord
◦Headband: Adjustable, Vinyl Covered
◦Ear Cushions: Replaceable Leatherette
•Microphone: ◦Electret Condenser, Omnidirectional
◦Sensitivity: -40 +/- 3dB
◦Frequency Response: 20-20,000 Hz
◦Impedance: 2,200 Ohms
◦Operating Voltage Nominal 3V; DC 2V
◦Plug: 1/8"" Nickel Plated Stereo, Red Jacketed
