Fostex Audio Interface for iPhone 4/4S & iPod Touch 4G

Priced: $99.99
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Fostex Audio Interface for iPhone 4/4S & iPod Touch 4G -

The Fostex Audio Interface for iPhone 4/4S & iPod Touch 4G is designed to dramatically improve the sound quality of videos captured with your iPhone 4/4S, It offers excellent quality stereo audio recording using the dock connector and built-in AD/DA converter. The device features LED input level metering, gain control and headphone monitoring.
The AR-4i is battery powered and has a generous operation time of eight to ten hours. Two threaded tripod mounts offer compatibility with a tripod or camera rig and a cold shoe accepts third party camera options. A dedicated, easy-to-use app for your iPhone 4/4S or iPod touch 4G is available as a free download from the Apple App Store. After you download it, you can easily control input level, microphone setting, equalization, filters and more.
In order to allow for compatibility with your fourth gen iPod touch, a dedicated adapter comes with the unit. The audio quality and versatile operation of the AR-4i make it ideal for both professional and in-home applications. It's a perfect accessory for TV and radio reporting, live video streaming to the web and even in-home use to help you create high quality home videos. Or if you regularly stream videos to web services like Twitter or U-Stream or use video upload sites like YouTube or Vimeo, you'll be able to start uploading videos with better sound.


  • Precision-cut plastic adapter with elastic pad on the back holds a fourth gen iPod touch

Weather and Wind:

  • Cold shoe allows for use of third party camera options

Traction and Grip:

  • Sturdy hand grip is included


  • Certified as "Made for iPhone" to meet Apple performance standards


  • Headphone output for recording and playback monitoring
  • 2 plug-in powered condenser cardioid type microphones with pop-shields included; third party microphones can also be used
  • 2 threaded tripod mounts on the bottom side for use with a tripod, camera rigs, etc
  • Equipped with 3 stereo inputs (line/mic) for using 2 of the 3 simultaneously for vertical or horizontal use
  • Thumb wheel input gain control
  • Exceptional audio quality; record/playback via dock connector with built-in AD/DA converter
  • 4-dot level LED level meter for input monitoring
  • Setup App can be downloaded free from the Apple App Store; for setting Pan (L/C/R), Low Cut Filter, Limiter and more
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Compatibility:iPhone 4S - 16GB 32GB 64GB iPhone 4 - 16GB 32GB iPod touch 4th generation - 8GB 16GB 32GB 64GB (with the supplied adapter)
Dimensions (WxHxD):Including Protrusion: 735x106x50mm / 28.93x4.17x1.96" Hand Grip: 235x101mm / 9.25x3.97(Diameter) (Excluding Screw)
External Power Supply:USB mini B type (5V)
Frequency Response:20 Hz / 20 kHz +-4 dB (Mic-phones / 15 mW / 32 ohm loaded)
Headphones: Connector:1/8" (3.5 mm) diameter stereo mini
Headphones: Load Impedance:More than 16k ohm
Headphones: Maximum Output:15 mW (32 ohm loaded, THD less than 0.1%)
Input: Connector:1/8" (3.5 mm) diameter stereo mini
Input: Gain:-12 / -59 dB (variable)
Input: Input Impedance:More than 2k ohm
Input: LED:1 x level meter, 4-dot (doubles as system status indicator)
Input: Power:2.5 V (continuous)
Long operation time:8 to 10 hours with 2 x AAA alkaline batteries
Power:2 x AAA batteries (alkaline 3V / Nih 2.4 V)
Power Consumption:0.3 W
Signal to Noise Ratio:More than 73 dB (Mic-phones / input gain maximum)
Weight:Main: 200g / 7.05oz Hand Grip: 102g / 3.59oz

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