The Adastra RM240D installation mixer-amplifier combines five channels with four selectable 100 V output zones for commercial audio installations. It can power 100 V line speakers or standard 4–16 Ohm speakers, with a total output power of 240 W RMS. The built-in player supports DAB+/FM, USB/SD and Bluetooth 5.0.

Inputs include XLR with selectable +20 V phantom power, two microphone/line inputs and two RCA line inputs. VOX operation automatically lowers the music volume when a signal is detected at microphone input 1, while the 24 V emergency contacts mute all inputs except this one. It features an RCA line output, four selectable 100 V outputs and one unswitched 100 V output.

• Type: Integrated installation amplifier
• Channels: 5
• Output zones: 4
• Output power: 240 W RMS
• Speaker outputs: 4 selectable and 1 unswitched at 100 V, 4–16 Ohm
• Inputs: 1 XLR, 2 microphone/line, 2 RCA line
• Line output: RCA
• Audio sources: DAB+/FM tuner, USB/SD playback, Bluetooth receiver
• Bluetooth: Version 5.0
• Phantom power: +20 V, selectable for microphone input 1 XLR
• VOX operation: Automatically lowers the music volume when a signal is detected at microphone input 1
• Emergency contacts: 24 V, mutes all inputs except microphone input 1
• Controls: Input volume, bass, treble and master volume
• Dimensions: 433 × 320 × 88 mm
• Weight: 7.37 kg