Sound Devices A20-RX Dual-Channel True-Diversity Digital Receiver, 470 to 1525MHz

SKU: SDA20RX MFR: A20-RX
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Key Features

  • Experience superior sound quality with the A20-RX digital receiver, ensuring crystal-clear audio.
  • Enjoy low latency with this wireless receiver, perfect for live sound and broadcast applications.
  • Wideband 470-1525 MHz tuning offers flexibility; find clear channels easily with this receiver.
  • Rugged and durable design ensures reliable performance, making this receiver ideal for field use.
  • Simple to use OLED menu and controls allow quick adjustments on this dual-channel receiver.
  • Trust the A20-RX for dependable connectivity, offering stable wireless transmission every time.
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Special Order?Estimated to Ship: 08/18/2025
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Sound Devices A20-RX Specifications

  • RF Tuning

    470 to 1525MHz

    SpectraBand Technology
    Transmitters tunable in 25kHz steps
    Available frequencies depend on country of operation

  • Modulation

    Proprietary digital RF modulation
    Standard or Long Range, selectable

  • Latency

    Standard modulation = 2ms
    Long Range modulation = 3.9ms
    Measured at analog output

  • Audio Frequency Response

    10Hz-20kHz

  • Maximum Output Level

    +14 dBu, +2 dBu, -10 dBu, or -22 dBu, menu-selectable, with a 0 dBFS signal at the transmitter input, 130 ohms output impedance

  • Digital Audio Output

    AES3 balanced connection, 110 ohms output impedance, left=channel 1, right=channel 2

  • Menu and Controls

    OLED menu display, 3 button navigation

  • Privacy

    User settable 4-digit PIN

  • Powering

    6-18 VDC

  • Operating Temperature Range

    14 to 131 Degree F (-10 to +55 Degree C)

  • Dimensions (H x W x D)

    4.48 x 3.09 x 1.05" (113.7 x 78.5 x 26.6mm), Measured without backplate accessories

  • Weight

    5.8 oz (165g), Measured without backplate accessories

  • UPC Code

    850032705134

About Sound Devices A20-RX

If you're seeking an innovative solution for superior audio reception, the A20-RX Dual-Channel True-Diversity Digital Receiver is designed to meet your needs with precision and reliability. Operating within an impressive frequency range of 470 to 1525MHz, this receiver leverages the industry-exclusive SpectraBand technology to effortlessly locate open spectrum spaces. This capability is particularly advantageous in environments congested with UHF TV band signals, ensuring uninterrupted audio clarity.

The A20-RX stands out as a two-channel true diversity receiver, engineered for consistent and dependable performance. Its advanced low-loss, brick-wall Surface Acoustic Wave (SAW) filters are meticulously crafted to deliver exceptional results in challenging RF environments. These filters ensure clear, interference-free audio by effectively eliminating out-of-band interference, allowing you to achieve optimal audio reception without the need for external filters or additional cabling.

One of the standout features of the A20-RX is its AutoAssign function, which simplifies the frequency selection process. By scanning the entire tuning band and automatically selecting available frequencies, this feature is ideal for fast-paced shoots where time is critical. This automated frequency selection ensures that you can focus on capturing high-quality audio without the hassle of manual adjustments.

With the A20-RX Dual-Channel True-Diversity Digital Receiver, you benefit from enhanced RF performance, even when operating in close proximity to IFB or camera hop transmitters. This receiver's unique combination of a wide tuning range, superior filtering, and automated frequency selection makes it an exceptional choice for professionals who demand reliable, high-quality audio reception in any setting.

Sound Devices A20-RX Features

  • SpectraBand Technology: compatible with the A20-Mini from 470MHz - 1525MHz and all tuning ranges of the A10-TX
  • Advanced Digital True Diversity topology uses two complete RF receivers for each of the two channels, with four RF receivers in total
  • SuperSlot compatible with the SL-2 and 8-Series mixer-recorders
  • State-of-the-art 100% digital long-range modulation delivers the longest transmission distance of any digital system on the market
  • GainForward Architecture compatible with the A20-Mini. Set the Mini's gain levels via trim control (with an 8-Series & SL-2) or at the A20-RX (for other mixers)
  • Full 10Hz - 20kHz audio bandwidth; 100% digital RF modulation and transmission
  • Excellent immunity from nearby IFB or camera hop transmitters without the need for external filters or extra cabling
  • Maximum connectivity: SuperSlot, XLR, and TA3 adapters, A-RXMON headphone amp, and A-15PIN two-channel AES Sony camera slot adapter
  • Analog line-level or AES digital audio output

Warranty Information

This product has a limited warranty of 12 months.

Key Features

  • Experience superior sound quality with the A20-RX digital receiver, ensuring crystal-clear audio.
  • Enjoy low latency with this wireless receiver, perfect for live sound and broadcast applications.
  • Wideband 470-1525 MHz tuning offers flexibility; find clear channels easily with this receiver.
  • Rugged and durable design ensures reliable performance, making this receiver ideal for field use.
  • Simple to use OLED menu and controls allow quick adjustments on this dual-channel receiver.
  • Trust the A20-RX for dependable connectivity, offering stable wireless transmission every time.

What's in the box:

  • Sound Devices A20-RX Dual-Channel True-Diversity Digital Receiver (470 to 1525 MHz)
  • Straight Antenna (470 to 548MHz)
  • Right-Angle Antenna (470 to 548MHz)
  • Straight Antenna (548 to 638MHz)
  • Right-Angle Antenna (548 to 638MHz)
  • Straight Uncut Antenna
  • Right-Angle Uncut Antenna
  • 6x Antenna Cap
  • Sound Devices 1 Year Limited Warranty (Extended 1 Year Limited Warranty with Registration)