: Includes standard Pre-out, Sub-out, and Rec-out ports for expanding the audio system. Operational Guidelines
The is a powerful, professional-grade Karaoke amplifier, not to be confused with JBL's in-ear headphones of a similar name. Manufactured by the legendary American audio brand JBL (a subsidiary of Harman International), the RMA 220 was purpose-built to deliver exceptional vocal clarity and dynamic musical performance for karaoke applications. jbl rma 220 user manual exclusive