This is the YAMAHA professional power amplifier "P5000S". It features overwhelming output and Yamaha's signature high-resolution sound, making it suitable for a wide range of applications, from PA systems to high-end home audio setups. 【Condition】 Operation: We have confirmed that basic input/output and knob operations work without any problems. Appearance: There are scratches, dirt, and signs of use associated with use (please check the images). Cleaning: Simple cleaning and contact cleaning have been performed. 【Included Accessories】 Main unit 【Main Specifications】 Rated Output: 500W+500W (8Ω), 700W+700W (4Ω) Weight: Approximately 12kg Equipped with Yamaha's original energy-saving circuit "EEEngine"