FP-MX4

RDL FP-MX4 - 4-Channel Audio Mixer for Microphone and Line-Level Sources

RDL FP-MX4 is a professional 4×1 audio mixer designed for combining microphone and line-level signals in AV, broadcast, and commercial installations. Each input can be configured independently for mic or line level, with selectable phantom power and gain range. The mixer provides simultaneous balanced line-level (+4 dBu) and mic-level (-45 dBu) outputs, offering flexible integration options.

FP-MX4 delivers studio-quality audio performance with low noise and convenient level monitoring via dual-LED VU meters. Its compact FLAT-PAK enclosure allows mounting in tight spaces, rack sides, or as part of modular RDL systems.

Functionality

• Mixes four independent audio sources
• Supports microphone inputs with 24 V phantom power and line-level inputs
• Three mic gain ranges: LOW (35-45 dB), MED (45-55 dB), HIGH (55-65 dB)
• Independent source selection per channel: LINE, MIC, MICPH
• Input level control via front-panel trim pots
• Channels can be fully muted if unused
• Simultaneous balanced line and mic-level outputs
• Dual-LED VU meter - green and red LEDs with VU-style response

Features

• High-quality discrete mic preamps - low-noise studio-grade performance
• Balanced and unbalanced input/output support - via terminal blocks
• Compact FLAT-PAK enclosure - ideal for space-constrained installations
• 24 V DC power input - daisy-chainable with other FLAT-PAK modules
• LED VU meter - accurate output level monitoring
• Designed for AV, broadcast, education, worship, and commercial environments

RDL FP-MX4 is a versatile and reliable solution for professional audio systems, offering flexible configuration, high-quality mixing, and compact installation options.