The Adastra US90 is a 100V power amplifier with 90W RMS output, designed to provide flexible solutions for small to medium PA installations. It features a 100V input for parallel connection with 100V speakers and supports both 100V line and 8 ohm speaker load.

• Inputs: Line (RCA), 100V (Euroblock +/-)
• Line output: 2 x RCA (mono)
• Speaker output: Euroblock terminals: 100V / 8 Ohms / Com
• Adaptive Mute 24V
• THD: < 0.4% @ 1kHz
• Input impedance: 1k Ohms
• Input sensitivity: -10dB (line)
• SNR: 80dB
• Frequency response: 100Hz - 18kHz
• Dimensions: 330 x 210 x 44mm
• Weight: 2.40kg

The amplifier features 2U rack mount hardware, which can be configured for wall mounting or under-counter placement.