The ADASTRA RM4460 Mixer-Amplifier is a powerful audio solution designed for versatility and performance. With four independent class-D amplifiers delivering 60W each, this unit supports both 100V and low impedance outputs, making it ideal for various audio setups. The internal media player allows for playback from USB drives, FM radio, or Bluetooth connectivity, ensuring seamless integration with your devices. Perfect for commercial applications, it features a paging mic input with a switchable Vox function and multiple input options for maximum flexibility in audio management.

Features

• Four Independent Class-D Amplifiers: Each channel delivers 60W for robust sound output.
• Versatile Output Options: Supports both 100V and low impedance (4 or 8 ohm) speaker connections.
• Integrated Media Player: Play audio files from USB, tune into FM radio, or connect via Bluetooth for wireless playback.
• Paging Mic Input: Includes a switchable Vox function to prioritize announcements over music.
• Adjustable Tone Controls: Bass and treble controls on channels 1-3 for customized sound.
• Flexible Zoning System: Four inputs can be routed to any or all of the four output zones with individual level control.
• Rack-Mountable Design: Compact 1U size fits standard 19” racks for easy installation.
• Optional Call Station: Add the CS4 call station for independent area paging.

Specifications

• Power Supply: 100/240Vac, 50/60Hz (IEC)
• Fuse Rating: 5A
• Inputs: 1 x Paging mic, 2 x Mic/Line, 1 x Line/Media player
• Input Connections: 3 x XLR, 1 x RCA/Screw terminal, RJ45 (CS4), 3.5mm Aux
• Output Connections: 4 x 100V (+/-), 4 x 4 ohm (+/-), 4 x RCA (line level)
• Call Station Input: RJ45
• Audio Source: USB player, FM tuner, and Bluetooth receiver
• Fire Alarm Contacts: 24V screw terminals
• Output Power: 4 x 60W (100V or 4 ohm)
• Dimensions: 482 x 283 x 43 mm
• Weight: 6.85 kg
• Input Impedance (Mic): 5k Ohms
• Input Sensitivity (Mic): -38dBV
• Input Sensitivity (Line): -10dBV
• Input Impedance (Line): 10k Ohms
• Equalizer: Bass 100Hz ±10dB, Treble 10kHz ±10dB
• Phantom Power: +20V (switchable inputs 1-3)
• Bluetooth Version: 5.0
• Total Harmonic Distortion + Noise: <2% @1kHz (rated power)
• Protection: Short circuit, overload, overheat