Gearsupply × L-Acoustics CPO K1 Systems
Gearsupply and L-Acoustics have partnered to offer Certified Pre-Owned K1 & K1-SB Systems

Speak with our GearGuru specialists to find the perfect gear for your next show.
Loaded Amplifier Racks, a staple in professional audio gear, facilitate the amplification of audio signals for large-format speaker systems, including line arrays, subwoofers, and monitors. These multi-unit systems, built for durability and portability, encase high-performance amplifiers in rack-mountable housing for streamlined transportation and setup. Renowned brands like QSC, Crown, and Lab Gruppen are industry standard in this category, with models such as QSC PLD4.5, Crown I-Tech 4x3500HD, and Lab Gruppen PLM 20000Q being widely recognized for their reliability and output quality. Loaded Amplifier Racks are central to live concerts, corporate events, tours, and AV installations, providing consistent, high-quality sound across large areas. To select the right rack, professionals consider power output, impedance compatibility, channel count, cooling systems, and digital signal processing capabilities. For instance, a high-powered event with multiple sound sources would require a rack with several channels and substantial power output. The compact and robust design of Loaded Amplifier Racks simplifies setup and tear-down processes, making them an efficient solution for live event or installed AV environments. The integration of these systems into professional workflows allows for reliable audio delivery, making them indispensable for AV professionals.