Not much information is given about them, but they were signed to Reprise Records. In 1990, they released their self-titled debut album which didn’t appear to chart at all.
Their only chart appearance was the single, “Say U Love Me” which peaked at #45 on Billboard’s Hot Black Singles chart, staying on the chart for 11 weeks.
After that, it seems as if Def Con 4 has faded into obscurity.
To see the music video for “Say U Love Me,” go to:
[updated on 08-17-12]