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Beachtek DXA-ALEXA Preamplifier for ARRI ALEXA Mini
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Beachtek DXA-ALEXA Preamplifier for ARRI ALEXA Mini

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4 Day Rental Price:



*up to 2nd day air - overnight available

The Beachtek DXA-ALEXA Preamplifier for ARRI ALEXA Mini is a low-noise preamp that essentially transforms your ARRI ALEXA Mini, ARRI ALEXA Mini LF, or RED DSMC2 into a fully featured mini-doc camera with on-board audio capabilities. Key features include:

  • For ARRI ALEXA Mini / LF and RED DSMC2 cameras

  • Allows for recording directly to the camera

  • 100 dB dynamic range for low-noise operation

  • 2x transformer-balanced XLR inputs

Camera Compatibility. It probably won’t surprise you to hear that the Beachtek DXA-ALEXA Preamplifier for ARRI ALEXA Mini was designed primarily for the ALEXA Mini, but it’s also compatible with the ARRI ALEXA Mini LF (5-pin XLR to 6-pin LEMO cable required) and RED DSMC2 cameras (5-pin XLR to 3.5mm TRS cable required).

Direct Recording. The DXA-ALEXA connects directly to your camera, capturing audio directly through transformer-balanced inputs so you don’t have to deal with external syncing.

Ease of Use. This preamp has a 100 dB dynamic range for low-noise operation. Its dual gain controls are detented for maximum precision, and there are high and low switches for mic matching. Switchable 48V phantom power lets you use condenser mics on both inputs, and easy-to-read green/yellow/red level LED indicators let you monitor at a glance. It offers dual-mono recording or stereo recording, and an audio-bracketing feature for backing up your recordings.

Versatility. Two transformer-balanced XLR inputs provide galvanic isolation and high common mode rejection of electronic interference and other common obstacles. There’s an unbalanced 3.5mm jack that you can use to route your signal to external recorders, and there are connections for headphone and loopback monitoring to boot.

Pro-Grade Build. The DXA-ALEXA’s carbon-fiber chassis weighs in at under one pound, its slim-line design will fit just about anywhere in your rig without being obtrusive, and its weather-resistant top panel ensures reliable functionality in inclement conditions. There are three threaded 1/4"-20 holes so that you can mount this preamp on a third-party bracket’s rails, and this rental includes a bracket for mounting to camera cages such as the ALEXA Mini’s.

Audio Type

Other Audio




Phones: 3.5mm stereo headphone connector
RTN: 3.5 mm stereo input for loopback from camera
Mic In Channel 1: XLR balanced mic-level input for channel 1
Mic In Channel 2: XLR balanced mic-level input for channel 2
Line Out: 5-pin balanced output at +4 dBu
Mic Out: 3.5 mm unbalanced auxiliary stereo output 2-pin LEMO 12 to 16 VDC power

Frequency Response

20 Hz to 20 kHz (±1 dB)



Item Type





Tri-Color LED
Green: -40 to 16 dBu
Yellow: -16 to +4 dBu
Red: Over +4 dBu

Mfr. Model Number



External DC input jack (12 to 16 V) Pin 1 = (-), Pin 2 = (+)


0.8 lb.



Beachtek DXA-ALEXA Preamplifier for ARRI ALEXA Mini

Audio Accessory - Beachtek DXA-ALEXA Mounting Bracket

Cable - Beachtek D-Tap to 2-Pin LEMO for DXA-ALEXA

Case - CamKix Accessory Medium - Black