Adastra 100V Class D Multi-Zone Amplifier 2x 120W 1U Rack Mount

The Adastra 100V Class D Multi-Zone Amplifier delivers 2 x 120W RMS output in a compact 1U rack-mount housing for professional audio installations.

This multi-channel slave amplifier provides independent outputs for both 100V line and 4-16 Ohm speakers, offering flexibility for zoning systems and public address applications. An efficient Class D circuit design and toroidal transformer support robust power delivery within a 482 mm x 252 mm x 42 mm (1U) chassis.

Key Features

• Each amplifier channel has its own independent line input, which can be switched to a global auxiliary input.
• A single audio source can be routed to multiple channels for background music or announcements across different zones.
• A dedicated paging microphone input offers VOX override and switchable +20V phantom power for clear voice alerts.
• A 24V mute terminal can be connected to an alarm panel for emergency evacuation override, automatically muting all other audio.

Controls and Connectivity

• Each channel features Level, Bass, Treble, and a Ch/Aux switch for sound shaping.
• Separate channel inputs are available as 2 x L+R RCA or balanced terminal, with an optional global auxiliary input (L+R RCA).
• The rear-panel balanced XLR microphone input includes independent Gain, Bass, and Treble VOX controls.
• Outputs are provided via Euroblock terminals for 100V or 4 Ohm speakers, with an auxiliary RCA output.

Power, Safety and Weight

• Wide input range of 170V AC to 264V AC, 50Hz/60Hz (IEC).
• 24V emergency mute contacts (Euroblock) and a T3.15AL fuse.
• Product weight of 6680 gm.

Its compact 1U rack-mount housing suits professional zoning and public address installations.