Sanyo PH-WCD850
The massive PH-WCD850, from Sanyo's ZooSCENE brand. I believe it was sold in Japan only.
Year: Unknown (probably 1987-1990)
Speakers: 3-way, detachable, 6 ohm, 20W maximum input.
12cm woofers, 5cm mid-range cones, and 2cm dome tweeters.
BRSS (Bass Raised Sound System)
Optional external surround speakers (SX-SR800)
Optional remote control
Power requirements: 100V AC, or 12V DC (8 D-cell batteries, plus 1.5V battery for clock memory)
Power consumption: 38W