The Bose 1801 is a professional power amplifier that was manufactured by Bose Corporation. It is designed to provide high-quality audio amplification for use in commercial sound systems, such as in restaurants, bars, and retail establishments. The amplifier has a rating of 180 watts per channel and can be bridged to deliver 360 watts of mono output. It features advanced protection circuitry to prevent overheating and ensure reliable performance. The Bose 1801 is known for its durability and is a popular choice among audio professionals.