Matrix preamplifier 4 zone FM DAB Bluetooth 1U - RONDSON RON-02782

The MX-404 is a 4-channel matrix preamplifier (4 inputs and 4 outputs) designed to manage up to four audio zones independently. It has four inputs routable to four outputs, each with individual volume control and level indicator. The inputs include two XLR / 6.35 mm jack Combo configurable as microphone or line with Phantom power, an XLR microphone input (Input1), a stereo RCA / Euroblock line input and a front AUX input with 3.5 mm mini-jack connector. The 4 line outputs are on Euroblock connector. It features a built-in media player with FM / DAB radio, USB port and Bluetooth connectivity. There is also 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 size (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 a S/N ratio of more than 75 dB for microphones and 85 dB for line and AUX. Users benefits Possibility of being used in multi-area environments thanks to the independent management of 4 audio zones Wide connectivity Integrated multimedia player with FM / DAB radio, USB and Bluetooth Power supply both in alternating current at 230 V and in direct current at 24 V  High audio performance Areas of use Hotels Conference rooms Schools Sports centers

Technical characteristics

• 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 V_AC 50/60 Hz or 24 V_DC
• 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