Fostex AR101L - Audio Retriever with Battery Case

Our Price $199.99 Regular Price $299.99
No Longer Available

$0.00 Tax Outside NY and NJ 


  • Two Microphone/Line Inputs
  • Dedicated Battery Pack
  • Use as Audio Interface for DSLR Cameras
  • Connect to iPhone 4/5/Touch
  • Stereo Line Out
  • USB Out for Computer Audio Recording
  • Independent L/R Level Meters
  • Headphone Out
  • Cold Shoe Rail
  • Aluminum Hand Grip



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The AR101L Audio Retriever from Fostex is an audio interface with microphones designed to improve audio quality when recording video to an iPhone 4/4S, iPhone 5/5s, 4th generation iPod touch, or 2nd/3rd generation iPad. Additionally, with the included battery case, the unit can do double duty as an audio interface for DSLR-styled cameras for improved in-camera audio recording. 

Two microphone/line inputs allow for attaching the included condenser microphones, or other user-supplied microphones. A rotary encoder and LED level meter provide easy adjustment of the input level of each channel, pan, headphone output, and more. The headphone output allows for monitoring the input or playback signal. 

When feeding power via micro USB, the unit also feeds power to the connected iOS device. The chassis features a cold shoe rail for mounting various camera rigs. An included device holder can be used in portrait or landscape mode, and features screw holes on the horizontal and vertical sides for the included hand grip, or mounting to a user's tripod or other standard support.

  • Comes with the dedicated battery case that can be attached to the AR101 to feed power to the main unit when used as an audio interface for a DSLR camera
  • Battery case also doubles as a Lightning connector to USB mini B converter for use with an iPhone 5/5s
  • Improves the audio quality of iPhone and DSLR camera recordings
  • Both inputs accept stereo line/microphone (plug-in power) sources for a maximum four channels input
  • Also works as an audio interface for computers using an off-the-shelf mini USB to USB A type cable
  • Two plug-in power condenser microphones (off-the-shelf plug-in power type microphones can also be used)
  • Rotary encoder and the LED level meter for easy setting of various parameters including input level of each channel, pan, headphone out, etc.
  • Dedicated AR101 App can be downloaded from iTunes Store to control pan, low cut, limiter, output level
  • Headphone out for monitoring the input and playback signal
  • Analog output delivers input, or playback signal, or a mix of the two
  • No battery required - powered from the connected iOS device via USB
  • AR101 also feeds power to the connected iOS device when feeding power via the micro USB port
  • Chassis has a shoe rail on which various camera rigs can be mounted
  • Device holder can be used either in landscape or portrait orientation with screw holes on the horizontal and vertical sides for attaching the supplied hand grip, or to a user's tripod etc.


More Information
Stock Status No Longer Available
Manufacturer Fostex
Mfr Part No AR101L


2 x 1/8" (3.5 mm) TRS stereo mini

Input Signal



-12 to -59.5 dB

Level Metering

11-dot LED


1 x 1/8" (3.5 mm) TRS stereo mini
Load Impedance: 16 ohm or more
Maximum Output Level: 15 mW (32 ohm load, THD less than 0.1%)

Noise Level

<-93 dBV (microphone to stereo out/input gain maximum)

Frequency Response

20 Hz to 20 kHz, +/-30 dB (line in to stereo out/15 mW/32 ohm load)

Power Consumption

200 mW

Dimensions (WxHxD)

3.3 x 1.2 x 1.3" (83 x 31 x 33 mm) without mics, holder and grip


2.1 oz (60 g) without mics, holder and grip


Condition New
Refundable / Cancelable? Yes
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