Compare to most popular Headsets
| Product name |  Ear Force X4 |
 Motorola S9 Bluetooth Active Headphones (red) |
 Plantronics Voyager 855 Bluetooth headset |
 Aliph Jawbone 2 (black) |
 Aliph Jawbone Bluetooth headset (silver) |
| Price range | $169-199 from 3 stores |
$56-132 from 6 stores |
$66-149 from 10 stores |
$94-121 from 2 stores |
$53-69 from 4 stores |
| Review summary | With their accurate 5.1-channel separation, the Turtle Beach Ear Force X4s are great surround-sound headphones for the Xbox 360--or any other home theater component. | The Motorola S9 Bluetooth Active Headphones offer a worthy choice for wireless cell phone sound. | If you want a quality Bluetooth headset that can be either mono or stereo, then the Plantronics Voyager 855 is an excellent choice. | Despite its quirks, the Aliph Jawbone 2 is quite possibly the ultimate Bluetooth headset in terms of design and sound quality. | The Aliph Jawbone Bluetooth headset is one of the best-looking headsets we've ever seen. Despite its quirky buttons, it delivers superior sound quality with a comfortable fit. |
| Release date | July 10, 2008 | March 6, 2007 | September 8, 2007 | May 15, 2008 | January 30, 2007 |
| Basic Specs | |||||
| Recommended Use | Game console | Portable audio system , Cellular phone | Cellular phone | Cellular phone | Cellular phone |
| Compatible Mobile Devices | Info unavailable | Info unavailable | Sony Ericsson , Samsung , LG , Nokia , Motorola | Info unavailable | Info unavailable |
| Headphones Form Factor | Ear-cup | Behind-the-neck | Convertible | Info unavailable | Info unavailable |
| Sound Output Mode | Stereo | Stereo | Stereo | Info unavailable | Info unavailable |
| Response Bandwidth | 20 - 20000 Hz | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Microphone Technology | Electret condenser | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Microphone Operation Mode | Mono | Mono | Mono | Info unavailable | Info unavailable |
| Product name | Ear Force X4 | Motorola S9 Bluetooth Active Headphones (red) | Plantronics Voyager 855 Bluetooth headset | Aliph Jawbone 2 (black) | Aliph Jawbone Bluetooth headset (silver) |
| Price range | $169-199 from 3 stores | $56-132 from 6 stores | $66-149 from 10 stores | $94-121 from 2 stores | $53-69 from 4 stores |