Call of Duty: Black OPS II Ear Force Sierra Limited Edition Headset by Turtle Beach

Black Ops II Optimized Exclusive Presets
The Ear Force Sierra comes pre-loaded with exclusive custom audio presets designed by Treyarch to optimize the game experience. Or configure personalized presets of your own to optimize game, chat and mic audio for different gaming situations.

Limited Edition Speaker Plates
Custom Call of Duty®: Black Ops II speaker plates exclusive to the Ear Force Sierra.

Memory Foam Ear Cushions
Premium materials for enhanced comfort and styling.

Dolby® Digital 5.1 Surround Sound
Immersive 360 degree audio lets you pinpoint the direction of every sound.

Programmable Control Unit
Provides unparalleled audio customization with on-the-fly preset switching, independent game and chat volumes, a programmable control knob and more.

Separate Chat and Game Presets
Configure up to 9 different presets for game and chat/mic audio paths for complete control of your audio environment.

Adjustable Surround Sound Angles
Alter the positioning of the surround sound angles to customize your audio experience.

Voice Morphing
Disguise your voice by changing the sound from deep lows to screeching highs.

Sonic Lens with Sound Field Expander
Widen or narrow the sound field to focus on sound cues that are difficult to hear like enemy footsteps.

Ear Guard with Blast Limiter
Limits the intensity of deafening sounds like explosions and gunfire.

Sonic Silencers
Eliminate background noise on your mic and online chat.

Dynamic Chat Boost
Chat volume automatically increases as the game volume gets louder.

Variable Microphone Monitor
Adjust the level of your voice heard in the headset, so you won't have to shout.

Digital Optical Connection
Delivers the highest quality of digital surround sound.

Auxiliary Input
Connect a mobile phone or digital audio player while gaming.

True 5.1 channel USB surround sound with PC or Mac
Experience 5.1 channel game audio on PC or Mac with USB interface.

Separate Game and Chat USB Channels on PC or Mac
Separate audio channels on PC/Mac let you individually control chat and game sound levels.

Please note that features are subject to change without notice.