The Razer Barracuda HP-1 Gaming Headphones features eight discrete audio drivers to enable pinpoint positional accuracy essential for gaming. It features advanced noise cancellation capabilities and a built-in microphone designed specifically for in-game communications — ideal for frenzied in-game communication. 

The Razer Barracuda™ AC-1 Gaming Audio Card delivers optimized audio signals directly from the computer game to the gamer, creating the most realistic gaming environment. It features proprietary Razer audio technologies including the patent pending Razer Enhanced Sonic Perception™ architecture to allow gamers to pinpoint the exact location of enemies more accurately than before.
 
True In-Game Surround Sound for Enhanced Positional Audio
A 5.1-channel surround audio enables accurate positional audio in gameplay.

Optimal Sound Quality with Dedicated Drivers
Expect better sound quality with three dedicated mid/high frequency drivers and a low frequency woofer for each ear.

Audio Clarity with Built-In Amplifier
Hear better and louder audio with a built-in amplifier in gaming and music environments.

Features of the Razer Barracuda HP-1 Gaming Headphones :

• Razer Fidelity™ gaming audio engine
• Eight discrete drivers (six for mid-high frequency, two for sub-woofer)
• Six-channel analog input
• Individual volume controls: front, rear, center, bass and master
• Detachable uni-directional noise-cancelling microphone
• Razer High Definition-Dedicated Audio Interface™ (HD-DAI™ connector)
• 2m cable
• Audio Characteristics (Headphones)
  Frequency response: 50~20,000Hz
  Impedance:
  - Front speaker: 64Ω
  - Rear speaker: 32Ω
  - Centre speaker: 64Ω
  - Sub-woofer: 8Ω
  Total power rating: 330mW RMS
• Audio Characteristics (Microphone)
  Frequency response: 50~16,000Hz
  Sensitivity: -58 ± 2dB
  Impedance: 2.2KΩ
• System Requirements
  HD-DAI or USB port
  PC with audio output (5.1 or higher audio recommended)
  Mic input required for voice communications