Biamp PM4100 Half-Rack Stereo Pre-Amplifier/Mixer

Versatile Half-Rack Preamplifier and Mixer for Professional Audio Systems
The Biamp PM4100 is a compact yet powerful stereo preamplifier and mixer designed for professional audio installations. With four unbalanced stereo inputs and a balanced stereo output, it offers flexible audio routing for commercial spaces, conference rooms, and AV integration projects. Whether used in standalone applications or as part of a larger system, the PM4100 delivers high-quality audio performance with seamless control options.

Multiple Audio Inputs for Flexible Mixing and Routing
Featuring four unbalanced stereo inputs, the PM4100 allows users to connect multiple audio sources such as microphones, media players, or background music systems. Input 1 can be mixed with the currently selected input, enabling smooth transitions and layering of audio signals. This feature makes it an ideal choice for applications that require dynamic audio control and background music management.

Balanced Stereo Output for Clean and Reliable Sound
The PM4100 includes a high-quality balanced stereo output to ensure low-noise signal transmission, making it suitable for professional audio installations. This output provides a strong and interference-free connection to external amplifiers, powered speakers, or distributed audio systems, maintaining pristine sound quality across different environments.

Network and Serial Control for Seamless Integration
With two bidirectional RS-232 ports and four GPIO connections, the PM4100 integrates effortlessly with third-party control systems. These features enable remote operation, automation, and real-time feedback, making it an excellent choice for corporate AV setups, hospitality venues, and educational institutions. The unit’s built-in network capabilities ensure reliable system management across multiple devices.

Built-In Three-Band Equalizer for Audio Customization
Fine-tune the audio to match specific room acoustics and application needs using the PM4100’s built-in three-band equalizer. With dedicated controls for bass, midrange, and treble, users can adjust the sound profile to enhance clarity and balance, optimizing playback for different environments.

Energy-Efficient Power Options with PoE and 12V DC Output
The PM4100 supports Power over Ethernet (PoE) for simplified installation, reducing the need for additional power supplies. When powered via PoE, it also provides a 12V DC output, allowing users to power external devices such as control systems or auxiliary equipment. This energy-efficient design makes it an ideal solution for commercial AV projects requiring minimal cabling and streamlined power management.