The RMA 220's primary function is mixing and amplifying vocal signals for karaoke. Digital Effects : Features four professional effects— Reverb, Echo, Repeat, and Delay
4.3.2 Direct Null Mode: Engages a destructive interference algorithm that cancels all ambient frequencies except those between 1.2kHz and 1.8kHz—the human voice’s “ghost band.” When activated, the RMA 220 can reveal acoustic reflections recorded behind the primary signal. Warning: Prolonged use may cause auditory déjà vu. jbl rma 220 user manual
If problems persist and the unit is under warranty, contact the retailer or JBL support with purchase details and serial number.
The RMA 220 was born from JBL’s decades of research into professional sound, which famously started with James B. Lansing’s work for movie theaters in 1946. While JBL is known for massive "Walls of Sound" at festivals like Woodstock, the RMA series was designed for a much more intimate—and often more demanding—environment: the karaoke lounge
: Built-in digital processing provides four essential vocal effects: Reverb, Echo, Repeat, and Delay .
Family Tour / / SPA
: ::: :: 10 : 18.07.2026 : : 112 639 / 101 420
10%
: : 4*:: :: 10 : 16.08.2026 : : 109 447 / 98 502
10%
09.05.2026
91.21
76.53
The RMA 220's primary function is mixing and amplifying vocal signals for karaoke. Digital Effects : Features four professional effects— Reverb, Echo, Repeat, and Delay
4.3.2 Direct Null Mode: Engages a destructive interference algorithm that cancels all ambient frequencies except those between 1.2kHz and 1.8kHz—the human voice’s “ghost band.” When activated, the RMA 220 can reveal acoustic reflections recorded behind the primary signal. Warning: Prolonged use may cause auditory déjà vu.
: Features dedicated, illuminated knobs for independent volume adjustment of microphones and music.
20Hz – 20kHz (±3dB) for both Mic and Music
If problems persist and the unit is under warranty, contact the retailer or JBL support with purchase details and serial number.
The RMA 220 was born from JBL’s decades of research into professional sound, which famously started with James B. Lansing’s work for movie theaters in 1946. While JBL is known for massive "Walls of Sound" at festivals like Woodstock, the RMA series was designed for a much more intimate—and often more demanding—environment: the karaoke lounge
: Built-in digital processing provides four essential vocal effects: Reverb, Echo, Repeat, and Delay .
