One of the first model solid state integrated amplifiers that Mcintosh made. Rate at 45 wpc this amp is famous for delivering beautiful easy to listen to music. Over 50 years old this unit looks and sounds great. Unbelievable that this amp is rated at only 45 wpc--Sounds much larger. Check out the reviews written in the last 50 years about this amp. This unit will be double boxed for maximum shipping protection. This Amp Has been serviced~Detailed and updated by Tri-City Electronics Inc.