SKU: 27250977395

RDL FP-MX4 4 Channel Audio Mixer

Sale price$337.50 Regular price$375.00
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Description

RDL FP-MX4 4 Channel Audio MixerThe FP MX4 is a single channel audio mixing module featuring four identical inputs. Each input accepts either a mic or line level source. The output section provides four mixing potentiometers corresponding to the four inputs. 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. The four mixing potentiometers are intended to be set at installation or to be

The FP-MX4 is a single-channel audio mixing module featuring four identical inputs. Each input accepts either a mic or line level source. The output section provides four mixing potentiometers corresponding to the four inputs. 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. The four mixing potentiometers are intended to be set at installation or to be adjusted occasionally. Levels may be adjusted at the mixer using the RDL dual-LED VU meter which displays the mixer output level.

Features

  • Four Channel Audio Mixer
  • Balanced Microphone and Line Inputs
  • Balanced Microphone and Line Outputs
  • Switch-Selectable 24 V Mic Phantom
  • Three Switch-Selectable Mic Gain Ranges
  • Studio-Quality, Low-Noise Performance
  • Convenience of RDL® FLAT-PAKs™

Specifications

Indicators (2) Dual-LED VU meter (line-level output)
Outputs (2): Line: +4 dBu 150 Ω balanced; mic: -45 dBu 150 Ω balanced
THD+N: Mic: < 0.012%
Line: < 0.004%
Frequency Response: Mic: 10 Hz to 30 kHz (± 0.25 dB)
Line: 10 Hz to 45 kHz (± 0.25 dB)
Gain Adjustments (4): Mic: Off to 65 dB gain (max. gain range); line: Off to 6 dB gain
Line Input Level: +4 dBu
Line Inputs (4): 10 kΩ balanced (may be wired unbalanced)
Microphone Input Level: Switch selectable ranges: -30 to -40 dBu, -40 to -50 dBu, < -50 dBu
Ambient Operating Environment: 0° C to 50° C
Residual Noise (below +4dBu output): Note (A) = A-Weighted
4 line level sources (unity gain): < -84 dB (wideband)
40dB Gain: Mic: -90 dB; all 4 mic level sources: < -82 dB (wideband); < -84 dB ("A" weighted)
50dB Gain: Mic: -86 dB; all 4 mic level sources: < -72 dB (wideband); < -76 dB ("A" weighted)
60dB Gain: Mic: -80 dB; all 4 mic level sources: < -65 dB (wideband); < -67 dB ("A" weighted)
Power Requirement: 24 Vdc @ 160 mA, Ground-referenced
Microphone Inputs(4): 2 kΩ balanced, switchable 24 V phantom (IEC 61938: 2013)
Overall Dimensions: Height: 1.42 in. 3.61 cm, Width: 3.25 in. 8.26 cm, Length: 8.14 in. 20.68 cm
Package Type: Cardboard Box
WEEE weight: 0.99 lbs.
Shipping Weight: 1.235 lbs.
Tariff code: 8543.70.9860
Package Dimensions: 3.375 x 8.5625 x 1.5 in.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 27250977395

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Amazon Customer
Omaha, US
★★★★★ 5
Anteojos modernos.
Color: Blush Tortoise, Size: Lens-52 Bridge-17 B-37.5 ED-56.1 Temple-140, Color: Blush Tortoise, Size: Lens-52 Bridge-17 B-37.5 ED-56.1 Temple-140
Mis lentes son muy cómodos, y me gustan como lucen, vienen sin medidas yo los adecué con mi Optometrista. Se aflojan con el tiempo, pero compré una pinza que ajusta los tornillos…realmente lucen como nuevos.
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Reviewed in the United States on January 20, 2026
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ginger
West Palm Beach, US
★★★★★ 5
The glasses are made well
Color: Pearl Brown Tort, Size: 53-16-135
The glasses fit well and are made well. They are Great value for the money.
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Reviewed in the United States on November 24, 2024
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DAVID L.
Natrona Heights, US
★★★★★ 5
Nice shoes!
Size: 11, Color: Black Full Grain
I bought them in black and I like them so much I will be buying the brown soon. They fit true to size and are comfortable and stylish. I like the clean simplicity. They're basically a dressy sneaker which is perfect for my job's 'dress code'. Yet they're stylish enough to be worn weekends or a night out. They seemed just a touch stiff out of the box but IMO that's completely normal and fine - after just a couple days of wearing them they are breaking in nicely. No complaints on that. They seem to be of very high quality and I'm very happy with them.
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Reviewed in the United States on February 8, 2026
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Bamaphan
Houston, US
★★★★★ 5
Good shoes!!!!!
Size: 10, Color: Tan Full Grain
They are comfortable, they fit, great style. I bought blue, brown and black shoes.
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Reviewed in the United States on August 18, 2025
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Shawn
Whiting, US
★★★★★ 5
Great Product
Size: 13, Color: Black Full Grain
2nd Johnston & Murphy comfortable and stylish.
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Reviewed in the United States on December 26, 2025

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