The company claims that HN-900 headphones can reduce ambient noise by up to 85 percent, with about 40 hours of noise-cancellation on a single AAA alkaline battery. We’re a bit confused though as to how the company calculated that -18dB constitutes an 85 percent noise decrease. Namely, -18dB would make up for almost 200 percent, if not even higher by some calculations, but that's probably irrelevant for most.
The HN-900 come with an in-line microphone and one-click voice communication on the iPhone. The headphones have 40mm Neodymium drivers and gold-plated plugs. Creative’s HN-900 are available and go for $99.99.
Creative says that its Aurvana X-Fi 2 headphones reduce ambient noise by up to 90 percent, which is -20dB according to Creative. They also come with 40mm Neodymium drivers and gold plated plugs, in a slightly more exclusive package.
They should hit the market in February 2012 with MSRP of $199.99.
Here’s the rest of the specs:
HN-900
- 40 mm Neodymium magnet drivers
- Frequency Response of 20 Hz ~ 20 kHz
- Noise Reduction Level of -18 dB (85%)
- Impedance of 290 ohms
- Sensitivity at 1 kHz of 100 dB/mW
Microphone
- Omni-directional
- Frequency Response of 100 Hz ~ 10 kHz
- Impedance of <2.2 kohms
- Sensitivity at 1 kHz of -38 dBV/Pa
- Cable length of 1.5m detachable with inline microphone
- Approximate battery life of up to 40 hours from 1 x AAA alkaline battery.
- Product weight of 168 grams
Technical Specifications of the Creative Aurvana X-Fi 2
- 40 mm Neodymium magnet drivers
- Frequency Response: 20 Hz - 20 kHz
- Noise Reduction Level: 20 dB
- Impedance: 450 ohms (on), 72 ohms (off)
- Sensitivity (1 kHz): 105 dB/mW (on), 95 dB/mW (off)
- Oxygen-Free Copper cables
- Gold-plated connectors, including airline adapter
- 1.5m (5 ft) standard cable and 1.5m (5 ft) extension (iPhone compatible)