Specifications :
* Frequency Response: 150Hz-20KHz
* Drivers: 30mm neodymium magnets
* Up to 12 hours playback time
* LED battery status indicator
* Battery voltage/capacity: 470mAh
* 3.5mm audio jack & USB
* Loudspeaker Output: 2 x 3W
* Carrying case included
* Approximate size: 70 mm (length) x 70mm (width) x 53 - 64 mm (height)

Specifications :

Earphones
* Frequency response: 20 to 11,000Hz
* Sound pressure level: 110dB
* Impedance: 17ohms
* Max rated input: 20mW
* Cable length: 1.3m
* Connector: 3.5mm miniplug
* Weight (including cable): 12.5g

Microphone
* Frequency response : 300 to 3000Hz
* Output level: -46dB
* Pick-up pattern: Omnidirectional
* Output impedance: 2.2Kohm
* Signal to noise ratio : 55dB min

Specifications :
* Frequency response: 20 to 11000 Hz
* Sound pressure level: 110 dB
* Impedance: 17 ohms
* Max rated input: 20 mW
* Cable length: 1.3 m
* Connector: 3.5 mm miniplug

Specifications :

* Wireless Headset
* Circumaural Design with 50mm Driver Units
* Volume & Mic Control Buttons on the Headset
* 3 Preset EQ
* Detachable 2.5mm Microphone Cable
* Dimensions: 200mm(W) * 204mm(H) * 88mm(D)

Headphones

* Radio Frequency: 5.8GHz
* Dolby® Headphone / Dolby Pro Logic® II / Dolby Digital
* Wireless Range: 33ft / 10m
* Frequency Response: 20 - 20,000 Hz
* Impedance: 32O at 1kHz
* Sensitivity (@1kHz, 1V/Pa): 105dB +/- 2dB
* Drivers: 50 mm, with Neodymium Magnets
* Batteries: 2 AAA Batteries (Up to 8 Hours Battery Life)
* Charging Time: 3 Hours

Microphone

* Frequency Response: 130 - 10,000 Hz
* Sensitivity (@1kHz, 1V/Pa): -42 ± 2dB
* Signal-to-Noise Ratio: >55 dB
* Pick-up Pattern: Uni-directional

Specifications :

* Wireless Headset
* Circumaural Design with 50mm Driver Units
* Volume & Mic Control Buttons on the Headset
* Detachable 2.5mm Microphone Cable
* Dimensions: 200mm(W) * 204mm(H) * 88mm(D)

Headphones

* Radio Frequency: 2.4GHz
* Wireless Range: 33ft / 10m
* Frequency Response: 20 - 20,000 Hz
* Impedance: 32O at 1kHz
* Sensitivity (@1kHz, 1V/Pa): 105dB +/- 2dB
* Drivers: 50 mm, with Neodymium Magnets
* Batteries: 2 AAA Batteries (Up to 12 Hours Battery Life)
* Charging Time: 3 Hours

Microphone

* Frequency Response: 130 - 10,000 Hz
* Sensitivity (@1kHz, 1V/Pa): -42 ± 2dB
* Signal-to-Noise Ratio: >55 dB
* Pick-up Pattern: Uni-directional

Specifications :

Headphones
* Frequency Response: 20 - 20,000 Hz
* Impedance: 32 O at 1kHz
* Sensitivity (@1kHz, 1V/Pa): 102 ± 4dB at 1 kHz
* Max. Input Power: 200 mW
* Drivers: 40 mm, with neodymium magnets

Microphone
* Frequency Response: 50 - 16,000 Hz
* Sensitivity (-37 ± 4dB @1kHz, 1V/Pa): Variable (user adjustable)
* Signal-to-Noise Ratio: 50 dB
* Pick-up pattern: Unidirectional

Audio Processing Unit
* Master volume, center speaker, front speakers, side speakers, rear speakers, bass level, mic sensitivity, mic leveling, mic mute, Razer Maelstrom on/off, active/standby toggle, reset
* Cable: 3.3 meters, Braided Fiber Sheath
* Connector: Gold-plated USB

Specifications :

Headphones

* Frequency Response: 20 - 20,000 Hz
* Impedance: 32 O at 1kHz
* Sensitivity (@1kHz, 1V/Pa): 102 ± 4dB at 1 kHzMax
* Input Power: 200 mW
* Drivers: 40 mm, with neodymium Magnets

Microphone

* Frequency Response: 50 - 16,000 Hz
* Sensitivity( @1kHz, 1V/Pa): -37 ± 4dB
* Signal-to-Noise Ratio: 50 dB
* Pick-up pattern: Unidirectional
* Cable: 3 meters, Braided Fiber Sheath
* Connector: 3.5 mm jack (headphone and mic)
Cable: 3.3 meters, Braided Fiber Sheath

Specifications :

Headphones :
Drivers: 40 mm neodymium magnets with copper-clad aluminum voice coil
Frequency Response: 25 – 16,000 Hz
Impedance: 32 Ω
Sensitivity @1kHz: 104 dB ± 3 dB
Input Power: 50 mW
Cable: 1.3m rubber sheath cable
Connector: 3.5 mm gold-plated headphone jack

Microphone :
Frequency response: 100 – 10,000 Hz
Signal to Noise Ratio: 58dB
Sensitivity (@1kHz): -44 dB +/-4 dB
Pick Up pattern: Omni-Directional

Specifications :
* Frequency Response: 15 - 21,000 Hz
* Impedance: 32 O at 1kHz
* Input Power: 200 mW
* Drivers: 40 mm, with neodymium magnets
* Cable: 1.2m braided fiber + 2 meter braided extension cable
* Connector: 3.5 mm headphone jack