Turtle Beach Ear Force X4 Review

Specifications:

X4 Wireless Headphones

50mm neodymium speakers
IR FM reception
Speaker Frequency Response:
20Hx—20Hz,>120dB SPL @ 1k Hz
Condenser Microphone 50Hz – 15kHz
Headphone Amplifier: Stereo DC-coupled, 35mW per channel
THD <1%, DC – 30kHz
Bass Boost: +9dB @20Hz – 150Hz
Chat Boost Expander provides +10dB boost @ max game volume
Audio mute when out of range
Quad IR sensors provide 360 degree reception range
Operates on dual AAA batteries
Automatic battery power shut down
Approximate battery life > 20 hours of continuous use with alkaline cells
Weight: 9.5 Oz (270g)

X4 Wireless Transmitter

IR FM transmission
IR range > 30 feet.
Automatic Gain Control (AGC).
Frequency response: 20Hz – 20kHz
Optical TOSLINK digital audio input
Optical TOSLINK output for pass-through of digital input stream.
150MIPS Digital Signal Processor for
Dolby Digital, Dolby Pro Logic 2 and
Dolby Headphones processing
Analog input level adjustable up to maximum setting: 2V pp (700mV rms)
Weight: 8.4 Oz (240g)
Power adapter: 9VDC @360mA
(100VAC – 240VAC)

Courtesy of turtlebeach.com

Features:

Headset

Large, deep, velvet ear cushions (+)
Over sized, high-fidelity 50mm speakers (+)
Removable microphone
Soft, cushioned head band (+)
Dual, high-sensitivity infrared receivers (+)
LED power indicator
Power switch and game volume control
Bass Boost switch (+)
Mute switch
Adjustable chat and game levels (+)
Wireless (+)

X4 Transmitter

Digital indicator shows if the digital input source is active
Infrared emitter capable of a 30ft range
Dolby Digital and Dolby PL2 indicators
Bypass switch (not really a + but not a – either because this allows you to watch T.V. the way it was recorded)
Headphone stand
Optical input (- only because it hinders your ability to use HDMI, but this is due to the Xbox, not the headset)
Stereo inputs (+)

Information courtesy of Turtle Beach @ http://www.turtlebeach.com/products/efx4/home.aspx