Crown MA4-US DSi 2.0 Series MA4 700W 4-Channel Amplifier for JBL Cinema Loudspeakers
JBL DSi 2.0 MA4-D 4-Channel Power Amplifier | Audio Advice
JBL Professional on Twitter: "The new #JBLPro #DSI20Series is here at #ISE2020! Built on best-in-class @CrownAudio DSi Digital Screen Array technology and DriveCore DSP, DSI 2.0 is JBL's first line of dedicated