Device was a short-lived American pop-rock trio, formed by keyboardist, bassist and vocalist Holly Knight, vocalist Paul Engemann and guitarist Gene Black.

Device's only album, 22B3, was released in the spring of 1986. It produced a Top 40 single in the U.S. with "Hanging on a Heart Attack," which peaked at No. 35 on the Billboard Hot 100. The band's second single, "Who Says," peaked at No. 79. Both of these songs were promoted by music videos which garnered MTV rotation, and both were released as 12" singles with remix and dub versions which received club play. A third single, "When Love is Good" was released, while the album peaked at No. 73 on the Billboard 200 chart. Mike Chapman produced the album.