The ARRI Audio Extension Module AEM-1 mounts onto the back of your ALEXA 35 cinema camera and is designed to add mic and line audio inputs with internal electronic controls. The module features two balanced mini-XLR inputs with 48V phantom power, a low-cut filter, and level control. It also features an additional mini-XLR input with AES3/AES42 support with phase reversal and level control. A 3.5mm line/headphone jack with amplifier allows you to monitor and output the audio inputs. The module also features a 12V 2-pin LEMO and a 24V RS power output to provide power and run/stop to accessories.

Add Audio Input/Power Output to ALEXA 35    2 x Balanced Mic/Line Mini-XLR Inputs    1 x Balanced AES3/AES42 Mini-XLR Input    48V Phantom Power, Low-Cut/Gain/Limiter    1 x 3.5mm Line/Headphone Output    1 x 12 VDC 2-Pin LEMO-Type Power Output    1 x 24 VDC R/S Power Output

Related Questions and Answers

Q: 1. Can I connect a line directly through a mixer or a sennheiser receiver?

A: Hi Tatiana. Yes, to record editing-quality sound, you can connect a mixer or Sennheiser receiver to one of the 3pin XLRs of the A-Box to then send a line level to the camera.

Q: 2. Is this compatible with the earlier model Alexa's such as the Classic and Alexa Plus?

A: No, the Alexa Classic and Alexa Plus use a Fisher 3-pin RS port. This cable has two 7-pin LEMO type connectors.

Q: 3. What is the bottom dove tail standard? Is there any mounts?

A: The ARRI Stabilizer Adapter Mount SAM-6 (18") for ALEXA 35 is made to the ARRI dovetail/baseplate standard.

Q: 4. How do you monitor the signal on a Canon R5C with this unit?

A: In order to monitor audio through the Beachtek DXA-ALEXA Low-Noise Preamplifier, you will need to connect the camera's 3.5mm headphone output to the 3.5mm return jack (labeled "RTN" on the DXA-ALEXA, which is next to the unit's headphone jack (labeled "PHONES"), and then connect your headphones directly to the DXA-ALEXA.

Q: 5. How long is this plate?

A: The ARRI Stabilizer Adapter Mount SAM-8 for ALEXA 35 is approximately 12" long.

Q: 6. What cable do I need to plug in a standard phantom powered XLR shotgun microphone (such as a Sennheiser MKH 416) to the AEM-1?

A: We recommend the following cable options for the ARRI Audio Extension Module AEM-1 for ALEXA 35. Cable Techniques CT-PXFT-18 XLR-3F to TA3F Cable for Sound Devices (18") BH #CACTPXFT18 Cable Techniques CT-LPS-FX3T-18K Low-Profile LPXLR-3F to TA3F Cable (18", Black) BH #CALPSFX3T18K

Q: 7. Do you need any special attenuator cables to make it work with the Canon R5C or will a 5-pin XLR to 3.5mm work?

A: You could use an XLR 5-pin female to 3.5mm TRS male cable like the Wooden Camera Single 3.5mm TRS to 5-Pin Female XLR - 18" (B&H # WO808010) to send line level audio from the Beachtek DXA-ALEXA Low-Noise Preamplifier to the Canon EOS R5 C Mirrorless Cinema Camera. As another option, you can use the 3.5mm mic output on the DXA-ALEXA to send mic level audio to the camera's 3.5mm TRS input.

Q: 8. Is there a version of this BUD style dovetail for Ronin RS4 Pro?

A: No, there is no version of the ARRI Stabilizer Adapter Mount SAM-9 for ALEXA 35 for the DJI RS4 Gimbal Stabilizer.

Q: 9. What is the meaning of open gate?

A: Open Gate provides the maximum sensor area (36.70 mm x 25.54 mm) and maximum resolution (4448 x 3096 photosites) for maximum flexibility in post.

Q: 10. We could use this on the Amira 5-pin input as well, right?

A: The balanced 5-pin output will have the same pin configuration for everything in that line.