RDL RU-MX4LT 4-Channel Line-Level Mixer with Output Isolation Transformer

RDL RU-MX4LT 4-Channel Line-Level Mixer with Output Isolation Transformer

RDL RU-MX4LT 4-Channel Line-Level Mixer with Output Isolation Transformer

RDL RU-MX4LT 4-Channel Line-Level Mixer with Output Isolation Transformer Back View

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Expected availability: 7-10 business days

Product Highlights

  • 4 x Balanced XLR Inputs
  • 5 x Unbalanced RCA Inputs
  • 1 x Balanced XLR Output
  • 1 x Unbalanced RCA Output
  • Switchable Mic/Line Output Level
  • Direct RCA Input from Another RU-MX4
  • Input Channel Metering
  • Output Metering
  • Power Supply Available Separately
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Configuration: with Output Isolation Transformer


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with Output Isolation Transformer

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RDL RU-MX4LT overview

  • 1Description

The RDL RU-MX4LT is a four-channel audio mixer with XLR and RCA line inputs. Outputs include a switchable balanced XLR mic/line output, as well as an additional unbalanced RCA jack that may be used to link another RU-MX4L or RU-MX4LT. This mixer is useful for combining balanced line and unbalanced line inputs into a single output. The RU-MX4LT is suitable for small sound reinforcement, public address systems, or mixer expansion applications.

You'll note that for outputs, you have the options of an RCA out or a balanced XLR out. The XLR output is switchable between mic or line level. While you can only use one input configuration at a time (either XLR or RCA), you can use both outputs simultaneously. Additionally, the RU-MX4LT utilizes a factory-installed output isolation transformer to ensure a low-noise, pristine signal path.

Levels can be adjusted on the front panel, which leaves you enough space to label each input. Each input sports a dual-LED VU meter following standard VU ballistics with a green indicator for signal and a red LED when you go over the correct operating level. The output is displayed on an LED string VU meter. Please note, you must purchase the corresponding PS-24AS power supply separately.

Four Line Input Channels
Each channel features a balanced XLR line input and an unbalanced RCA line input.
Flexible Output Section
The outputs consist of a mic/line selectable XLR channel, and an unbalanced RCA output that may be used for linking multiple mixers.
UPC: 813721013095
In the Box
RDL RU-MX4LT 4-Channel Line-Level Mixer with Output Isolation Transformer
  • Power Interconnect Cable for Additional Units
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    RDL RU-MX4LT specs

    I/O 4 x XLR inputs, balanced
    5 x RCA inputs, unbalanced
    1 x RCA output, unbalanced
    1 x XLR output, balanced
    Input Level Balanced: -13 to +22 dBu (+4 dBu output)
    Unbalanced: -25 to +20 dBV (+4 dBu output, -10 dBV nominal)
    Input Impedance Balanced: 20 kOhms
    Unbalanced: 2 kOhms
    Output Level +4 dBu balanced (switchable to MIC level -45 dBu),-10 dBV unbalanced
    Output Impedance Balanced: 150 Ohms
    Gain Adjustment Balanced: Off to 17 dB
    Unbalanced: Off to 27 dB
    Frequency Response 20 Hz to 30 kHz ( 0.25 dB)
    THD+N < 0.01%
    Residual Noise Below +4 dBu Output: < -82 dB (4 line-level sources, unity gain)
    Indicators Dual-LED VU meter for each input, power LED, audio mix level meter LED (8 segments, 0 dB = +4 dBu)
    Meter Ballistics VU: -20 dB, -10 dB, -6 dB, -2 dB, 0 dB, +3 dB
    Peak: +8 dB, +12 dB
    Ambient Operating Environment 32 to 122°F / 0 to 50°C
    Power Requirement 24 VDC at 150 mA (ground-referenced); power supply available separately
    Signal-to-Noise Ratio Mic: < 0.1% (80 Hz to 20 kHz)
    Line: < 0.02%
    Phantom Power None
    Dimensions 1.7 x 5.8 x 4.8" / 4.3 x 15.0 x 12.2 cm
    Weight Not Specified by Manufacturer
    Packaging Info
    Package Weight 1.9 lb
    Box Dimensions (LxWxH) 6.75 x 6.3 x 2.45"

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