this listing is for an old school sound stream reference 300 amplifier. Unfortunately this amplifier doesn’t function correctly. It powers up, then pops the fuse. Doesn’t smell burned, not sure what is wrong. Missing one set screw, and has some cosmetic issue ls as shown. Sold for parts/repair, No returns whatsoever. I cannot, and will not warranty/return any vintage audio equipment. Buy with confidence, I’ve been selling vintage audio gear for many years with flawless feedback on all platforms. Shipping is always free with us!