RDL RU-MX5ML 5 Ch Mic/Line Audio Mixer with Phantom Power

MSRP: $475.97
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The RU-MX5ML is the ideal choice in many applications where a combination of balanced mic and/or balanced or unbalanced line-level signals needs to be mixed with the ability for additional expansion. All connections are made using detachable terminal blocks on the rear panel. Four of the RU-MX5ML inputs can accept either mic or line inputs. The fifth input is for line level sources.

24 V phantom is individually switch selectable for each mic input. The output from one RU-MX5ML may connect to the MIX input of another RU-MX5ML to expand mixing capabilities. The output section provides both a balanced line (+4 dBu) and balanced microphone level (-45 dBu) output. Both outputs may be used at the same time. Audio levels are adjustable on the front panel. The output is equipped with a front-panel dual-LED VU meter that follows standard VU ballistics.


  • Mic or Line Level Audio Mixer
  • Five Channel Audio Mixer with Expansion Capability
  • Inputs and Outputs on Detachable Terminal Blocks
  • Switchable 24 V Phantom for Each Mic Input
  • Balanced Mic and Line Outputs
  • Expansion Bussing Capability
  • Output Level dual-LED VU Metering
  • Studio-Quality, Low-Noise Performance



Inputs (6):
4 selectable mic or line level; 1 line level; 1 direct MIX; detachable terminal block

Input Impedance:
Mic: >1.2 kΩ balanced; Line: >10 kΩ balanced

Maximum Input Level:
Mic: -20 dBu; Line: +24 dBu

Switch-selectable 24 V (IEC 61938: 2013)

Mic: Off to 65 dB; Line: Off to 15 dB

Outputs (2):
Mic: -45 dBu balanced; Line: +4 dBu balanced; detachable terminal block

Output Impedance:
150 Ω balanced

Frequency Response:
Mic: 80 Hz to 40 kHz (±1 dB, < -6 dB at 20 Hz with integral high-pass filter); Line: 10 Hz to 35 kHz (± 0.5 dB)

Mic: < 0.03%; Line: <0.003%

20 dB (above +4 dBu output)

< -70 dB below +4 dBu output (20 Hz to 20 kHz, all mic channels at 50 dB gain; or one mic channel active at 60 dB gain); < -90 dB below +4 dBu (20 Hz to 20 kHz, all channels off)

Mic: > -65 dB (10 Hz to 10 kHz); Line: > -45 dB

Dual-LED VU Meter (calibrated to +4 dBu)

Height: 1.7 in. 4.3 cm; Width: 5.8 in. 15.0 cm; Depth: 4.8 in. 12.2 cm

Ambient Operating Environment:
0° C to 55° C

Power Requirement:
GROUND-REFERENCED, 24 Vdc @ 75 mA (120 mA max. including phantom); detachable terminal block

Package Type:
Cardboard Box

Package Dimensions:
6 x 6 x 2.625 in.

Shipping Weight:
1.385 lbs.

WEEE weight:
1.13 lbs.

Tariff code:


RDL Three-Year Limited Warranty Installation of these products by the Purchaser shall constitute Purchaser’s acknowledgement and acceptance of the terms and conditions for sale and of this warranty, and shall constitute the Purchaser’s determination of the suitability of this product for the Purchaser’s intended application. Radio Design Labs, Inc., also referred to as RDL®, warrants to the Purchaser that products manufactured by RDL are free from defects in material and workmanship. This warranty applies to the period of three years from the date of shipment, except for component parts or products purchased from other sources and supplied by RDL. Such component parts or products bear only the warranty of the manufacturer thereof in effect at the time of shipment to the Purchaser. RDL will, without charge, and after written notice has been received and acknowledged by RDL, repair an RDL product if proved to be defective according to the usage of the trade, when such equipment is received by RDL at the location it designates with shipment costs prepaid by the Purchaser. RDL shall not be liable for any expense whether for repairs, replacements, material, service, or otherwise, incurred by the Purchaser or modifications made by the Purchaser to the product. No equipment shall be deemed defective if it shall fail to operate in a normal or proper manner due to exposure to excessive moisture in the atmosphere, excessive temperature extremes, improper environmental cleanliness, or any other environment not consistent with the principles of good engineering practice. In no event shall RDL have any liability for consequential damage or expense directly or indirectly arising from the use of the products, or any inability to use it either separately or in combination with other equipment or materials, or from any other cause, whether used in accordance with instructions or not. This warranty is void if equipment is altered in any way by other than RDL. RDL products are NOT intended for use in life support appliances, devices, or systems. Use of RDL products in such applications is done solely at the liability of the reseller/installer and/or end user. RDL reserves the right to change design parameters and specifications at any time without notice. The performance measurements reflect the products at the time of printing. This warranty is in lieu of all others, either expressed or implied. No representative is authorized to assume for RDL any other liability in connection with RDL products.