RDL RU-MX5ML – 5-Channel Mic/Line Mixer with Expansion is backordered and will ship as soon as it is back in stock.
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What is the RDL RU-MX5ML?
The RDL RU-MX5ML is a five-channel audio mixer with four mic/line inputs and one line input for small meeting and presentation systems. Each mic input has switchable 24 V phantom power, and the output section provides balanced line and mic level outputs at the same time. An expansion MIX input lets several mixers be chained when more channels are needed.
How does it work?

All connections are made on rear-panel detachable terminal blocks, which suits permanent rack installations. Four inputs accept either a balanced microphone or a line source, and the fifth input is for line-level sources. Mic inputs offer up to 65 dB of gain with greater than 1.2 kΩ balanced impedance, and line inputs offer up to 15 dB of gain with greater than 10 kΩ impedance. 24 V phantom power (IEC 61938:2013) is individually switch-selectable for each mic input. Levels are adjusted from the front panel, and a dual-LED VU meter calibrated to +4 dBu shows the output level. The output section provides a +4 dBu balanced line output and a -45 dBu balanced mic-level output, and both can be used at the same time. The output of one RU-MX5ML can connect to the MIX input of another to expand mixing capacity. Power is ground-referenced 24 Vdc at 75 mA, or 120 mA maximum including phantom; RDL recommends the PS-24AS (USA) or PS-24AX (international) power supply, not included. Mount it with the RC-1UR 1RU rack chassis, RU-HRA1 10.4-inch rack mount or RU-SMA1 surface mounting plate.
What are the key features?
- Five input channels — Four mic/line inputs and one line input cover typical small-room sources.
- Per-input phantom power — 24 V phantom is switch-selectable on each mic input.
- Simultaneous line and mic outputs — Balanced +4 dBu and -45 dBu outputs can be used together.
- Expansion MIX input — Chain several RU-MX5ML mixers to add channels.
- Terminal block connections — Detachable terminal blocks simplify permanent wiring.
- Output VU metering — A dual-LED VU meter calibrated to +4 dBu shows the mix level.
Where is it typically used?
- Conference room
- Boardroom
- Huddle room
- Training room
- House of worship
- Multi-purpose room
Technical Specifications
| Inputs (6) | 4 mic or line; 1 line; 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 |
| Phantom | Switch-selectable 24 V (IEC 61938:2013) |
| Gain | 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 |
| Headroom | 20 dB above +4 dBu output |
| Metering | Dual-LED VU meter (calibrated to +4 dBu) |
| Power requirement | Ground-referenced 24 Vdc @ 75 mA (120 mA max including phantom) |
| Operating environment | 32°F to 131°F (0°C to 55°C) |
| Dimensions | 1.7 x 5.8 x 4.8 in (4.3 x 15.0 x 12.2 cm) H x W x D |
| Shipping weight | 1.385 lb |
Frequently Asked Questions
How many microphones can the RU-MX5ML handle?
Four inputs accept microphones or line sources; the fifth is line level only.
Can it power condenser microphones?
Yes. 24 V phantom power is switch-selectable on each mic input.
Can I use both outputs at once?
Yes. The +4 dBu line output and -45 dBu mic output can be used at the same time.
How do I add more channels?
Connect the output of one RU-MX5ML to the MIX input of another.
Is a power supply included?
No. It needs ground-referenced 24 Vdc; RDL recommends the PS-24AS (USA) or PS-24AX (international) power supply, not included.
What warranty applies?
This product is covered by a 7-year RDL warranty. For warranty claims, RMAs or support, contact Creation Networks at (888) 230-3661 or sales@creationnetworks.net.
At Creation Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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