JBL Synthesis range

SDA-7120

The JBL Synthesis SDA-7120 is a 7-channel power amplifier intended for a coherent multichannel cinema rack where channel matching and installation efficiency matter.

JBL Synthesis SDA-7120

Where it fits best

JBL Synthesis LCR/surround systems where Dante, Class G efficiency and honest all-channel ratings matter.

What to pay attention to

Dynamic/two-channel figures are not the same as seven-channel output. Size the system from the all-channels-driven rating and speaker sensitivity.

Manufacturer-verified essentials

  • Architecture: Seven-channel Class G with Dante and analogue XLR/RCA
  • Published output: 7 × 100 W/8Ω or 140 W/4Ω, all channels driven; up to 225 W/4Ω with two channels
  • System role: JBL Synthesis LCR/surround systems where Dante, Class G efficiency and honest all-channel ratings matter.

Specification source

Published figures are manufacturer specifications. Final system design must account for test conditions, loudspeaker load and installation environment.

Manufacturer specifications reviewed

Verified 13 September 2026

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