Check the ECHO, REPEAT, and DELAY controls to ensure they are not turned down to zero. 5. Maintenance and Safety Avoid placing heavy objects on top of the amplifier.
, the following sections summarize the critical operational information typically found in its user manual. 1. Key Features & Controls jbl rma 220 user manual
Reduce microphone volume or turn down the high (HI) frequencies on the mic EQ. Move microphones away from speakers. Weak Echo: Increase the Echo Volume or Delay. Check the ECHO, REPEAT, and DELAY controls to
Dual-channel output optimized for driving professional karaoke speakers. , the following sections summarize the critical operational
Keep the amplifier away from rain, moisture, dripping liquids, or high-humidity environments.
The input level might be too high. Reduce the master volume or input gain.
Adds a repeating rhythm to the voice. Keep this moderate to prevent lyrics from sounding cluttered.