BeachTek DXA-ALEXA Low-Noise Preamplifier for ARRI ALEXA Mini Camera

SKU: BTDXAALEXA MFR: DXA-ALEXA
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Key Features

  • Achieve pristine audio with this low-noise preamplifier for your ARRI ALEXA Mini camera.
  • Enhance sound quality using balanced XLR mic inputs, perfect for professional audio recording.
  • Utilize the DXA-ALEXA's versatile gain settings for optimal audio levels in any recording setup.
  • Monitor your audio with precision using the built-in tri-color LED metering for clear sound.
  • Enjoy seamless connectivity with multiple output options, including 5-pin balanced output.
  • Compact & durable design ensures reliable performance, making it ideal for on-the-go audio needs.
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Special Order?Estimated to Ship: 08/20/2025
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BeachTek DXA-ALEXA Specifications

  • Connectors

    Phones: 3.5mm stereo headphone connector
    RTN: 3.5mm 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)

  • Gain

    Line Out:
    Low: 40 dB, High: 60 dB

    Mic Out:
    Low: 10 dB, High: 30 dB

  • Maximum Input Level

    Low Gain: -15 dBu
    High Gain: -35 dBu

  • Output Clipping Level

    Line Output: +25 dBu
    Mic Output: -5 dBu

  • Dynamic Range

    100 dB

  • THD+N

    Low Gain: 0.012% (+4 dBu output, 1 kHz)
    High Gain: 0.06% (+4 dBu output, 1 kHz)

  • Channel Separation

    Low Gain: 85 dB (+4 dBu output, 1 kHz)
    High Gain: 80 dB (+4 dBu output, 1 kHz)

  • Metering

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

  • Powering

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

  • Dimensions

    5 x 3.8 x 1.6" (126 x 96 x 40mm)

  • Weight

    0.8 lb (374g)

  • UPC Code

    08960280000928

Models
BeachTek DXA-ALEXA Low-Noise Preamplifier for ARRI ALEXA Mini Camera
$649.00

Special Order

Generally ships in 7-14 days, subject to availability

BeachTek DXA-MICRO PRO 2 Channel Active XLR Adapter
$149.00

In Stock

Whirlwind LM2C 2-Channel Passive Camera Mic Adapter
$186.00

Ships from Manufacturer

Usually ships within 2-5 Days. Delivery is subject to availability.

Accessory TypeMicrophone PreampsMicrophone PreampsMicrophone Preamps

About BeachTek DXA-ALEXA

Overhaul your ARRI ALEXA Mini's audio capabilities with the DXA-ALEXA Low-Noise Preamplifier, a high-quality, professional-grade accessory designed to integrate seamlessly with your camera. This innovative preamplifier, crafted by the reputable brand Beachtek, is specifically engineered to transform your ALEXA Mini into a fully-featured mini documentary camera, enhancing its on-board audio capabilities.

The DXA-ALEXA's carbon fiber chassis mirrors the aesthetic of the ARRI ALEXA Mini, ensuring a cohesive look and feel. Despite its slimline design and lightweight construction of under 1 lb, this preamplifier doesn't compromise on durability. It's built with top-quality components, including weather-resistant top panel switches, ensuring reliable performance even in challenging conditions. While it's an ideal match for the ARRI ALEXA Mini, it's also compatible with other mini cinema cameras, such as the RED DSMC2 models.

Experience cinematic sound like never before with the DXA-ALEXA's ultra low-noise preamplifiers, which offer exceptional performance with over 100dB in dynamic range. The two XLR inputs are transformer balanced for galvanic isolation and high common mode rejection. This preamplifier is equipped with all the features you need for professional audio recording, including dual gain controls, 48v phantom power, level indicators, and headphone monitoring. The tri-color LED level indicators simplify the process of setting the correct recording levels.

The DXA-ALEXA's output is a balanced 5-pin XLR that can connect directly to the 5-pin Lemo input on the camera via an optional cable. Additionally, it offers an auxiliary mic level output via an unbalanced stereo mini-jack, providing connectivity to a variety of other cameras and recording gear. Power is supplied from your rig via the 2 pin Lemo connector.

With the included bracket, you can mount the DXA-ALEXA in several ways to the camera cage. Whether you choose to mount it under the handle, on the side bracket, or anywhere with an optional V-Lock, the bracket's captive thumb screws make it easy to add or remove the device from the camera. The base of the unit also features three threaded 1/4 "/20 holes, allowing it to be mounted to the rails via a third-party rail bracket.

BeachTek DXA-ALEXA Features

  • 2x XLR Inputs
  • Phantom Power
  • 5-pin XLR Output
  • 1x Stereo Mini-Jack Output
  • Headphone Output
  • Low-Noise Preamplifiers
  • Transformed Balanced Inputs
  • 2-pin Lemo Power Jack
  • Light Weight
  • Weather Resistant Switches
  • Tri-Color LED Level Indicators
  • Mounting Bracket

Warranty Information

This product has a limited warranty of 24 months for parts and 24 months for labor.

Key Features

  • Achieve pristine audio with this low-noise preamplifier for your ARRI ALEXA Mini camera.
  • Enhance sound quality using balanced XLR mic inputs, perfect for professional audio recording.
  • Utilize the DXA-ALEXA's versatile gain settings for optimal audio levels in any recording setup.
  • Monitor your audio with precision using the built-in tri-color LED metering for clear sound.
  • Enjoy seamless connectivity with multiple output options, including 5-pin balanced output.
  • Compact & durable design ensures reliable performance, making it ideal for on-the-go audio needs.

What's in the box:

  • DXA-ALEXA Low-Noise Preamplifier for ARRI ALEXA Mini Camera
  • Mounting Bracket
  • Operating Manual
  • Beachtek 2 Year Limited Warranty