Rondson MX-404 4-channel mixing preamplifier (4 inputs / 4 outputs), up to four audio zones, built-in media player with FM / DAB radio, USB port and Bluetooth
FEATURES
The MX-404 is a 4-channel matrix preamplifier (4 inputs and 4 outputs) designed to manage up to four audio zones independently.
It features four inputs routeable to four outputs, each with individual volume control and level indicator. Inputs include two Combo XLR / 6.35 mm jack configurable as microphone or line with Phantom power, one XLR microphone input (Input1), one stereo RCA / Euroblock line input, and a front AUX input with a 3.5 mm mini-jack connector. The 4 line outputs are on Euroblock connectors.
It is equipped with an integrated media player with FM / DAB radio, USB port, and Bluetooth connectivity. Also present is an RJ45 connector for connection to a Call Station and a 24 V alarm contact.
The power supply is flexible, supporting both 115 - 230 VAC alternating current and 24 VDC direct current. Its compact dimensions (1U rack) and low weight make it practical to install. Audio quality is guaranteed by a total harmonic distortion of less than 0.03% and an S/N ratio greater than 75 dB for microphones and 85 dB for line and AUX.
Benefits for users
- Can be used in multi-area environments thanks to independent management of 4 audio zones
- Extensive connectivity
- Integrated media player with FM / DAB radio, USB, and Bluetooth
- Power supply in both 230 V AC and 24 V DC
- High audio performance
Areas of use
- Hotels
- Conference rooms
- Schools
- Sports centers
SPECIFICATIONS
- MIC input: 24 dBu (2.45 mV), 5 kohm, balanced
- Line input: 10 dBu (775 mV), 5 kohm, unbalanced
- AUX input: 60 dBu (245 mV), 15 kohm, unbalanced
- Output sensitivity: +4 dBu (V.R max.)
- Maximum output level: +8 dBu (V.R max.)
- THD: < 0.03%
- Frequency response (line): 20 Hz – 22 kHz (±0.5 dB)
- Phantom power: 15 V
- SNR MIC: > 75 dB
- SNR line / AUX: > 85 dB
- Power supply: 230 VAC 50/60 Hz or 24 VDC
- Power consumption: 4.8 W
- Dimensions (W x D x H): 48.2 x 12.2 x 4.4 cm (1U rack format)
- Weight: 1.8 kg
Technical characteristics
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Accessori consigliati
About Rondson
Rondson is a brand specializing in the design and production of audio solutions for sound reinforcement, communication, and Public Address systems. The catalog includes amplifiers, loudspeakers, portable systems, microphones, mixers, conference systems, and devices dedicated to commercial and professional installations. Valued for their reliability, ease of use, and excellent value for money, Rondson products are used in schools, hospitality facilities, shops, public buildings, places of worship, conference rooms, and events. Discover the Rondson range and find the ideal solution for creating efficient, versatile audio systems suitable for every communication and sound reinforcement need.
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Shipments
Shipments
We ship throughout Italy and the European Union via selected express courier partners. All orders travel in special reinforced packaging and are covered by 100% included insurance to fully protect the value and integrity of professional equipment during transport.
Returns and refunds
Returns and refunds
You can request a return within 14 days of receiving the order. As these are professional hardware and devices, items must be returned completely intact, unused, unactivated, and sealed in their original packaging, complete with all accessories and manuals.
Frequently Asked Questions
Can't find the answer you're looking for? Our team of specialists is at your disposal for configurations or technical questions.
What are your shipping and delivery times?
What are your shipping and delivery times?
Orders are processed within 24/48 business hours. Delivery is made by insured express courier to guarantee maximum protection and safety even for the most delicate and expensive equipment.
Are the products covered by an official warranty?
Are the products covered by an official warranty?
Yes, all products are 100% original and covered by the official 24-month manufacturer's warranty. In addition, our technical department offers free after-sales support to assist you with the initial setup of your system.
How does the right of withdrawal work?
How does the right of withdrawal work?
If the hardware does not meet your expectations, you can return it within 14 days of receipt. The product must be returned intact, unused, and sealed in its original packaging, complete with all accessories and manuals.
What does it mean if a product is "Available on order"?
What does it mean if a product is "Available on order"?
Some complex professional audio systems or lighting equipment are ordered directly from official distributors based on customer requests. You can proceed with the purchase as normal and our team will immediately inform you of the exact arrival times at our warehouses.

