Classic Yamaha Natural Sound Integrated Stereo Amplifier
1987. Made in Japan. 55 WPC RMS into 8 Ohms. 0.01 % THD. 10-50000 Hz.

Sounds great. Nice screw down speaker posts.
Audiophiles are of very high opinion of overall sound quality of Yamaha gear and this amp is a statement to that.

Overall it is a great unit for bedroom or den. It sounds wonderful no issues at all.
Features include - speaker A/B, controls for bass/treble/balance/volume, loudness-(flat/-40db), input selector-phono/cd/tuner/aux/video/tape-1/tape-2,
phono selector-(mm/mc) and headphones output.
In the rear it has AC outlets for switched/unswitched connection.

It's a high quality, excellent sounding amplifier from Yamaha.