The JVC R-X40 (often cataloged as the R-X40BK for its black cabinet finish) is a vintage AM/FM stereo receiver introduced in 1982. It belongs to JVC's highly innovative early-1980s lineup, widely recognized for incorporating advanced microcomputer technology, specialized slider interfaces, and JVC's proprietary S.E.A. (Sound Effect Amplifier) equalization circuitry.
40 Watts per channel into 8Ω (Stereo, 20Hz - 20kHz).