Adastra US Series US90 Compact 100V Slave Amplifier, 90W RMS, 100V / 8 Ohms, 1U, 330x210x44mm

Adastra US90 Compact 100V Slave Amplifier Overview

The Adastra US90 Compact 100V Slave Amplifier is an excellent choice for expanding existing 100V speaker systems with ease. Designed for seamless integration, this half-width 1U amplifier allows you to extend your setup by connecting directly to the speaker cable, eliminating the need for additional complex wiring. Ideal for commercial installations, background music systems, and public address applications, the US90 offers a reliable 90W RMS output, ensuring consistent and clear audio across multiple speakers. Its compact design saves space while providing professional-grade performance, making it a perfect solution for businesses, venues, and educational institutions that require scalable sound reinforcement.

Built with efficiency in mind, the Adastra US90 features a Class D amplifier with a transformer output, ensuring high power efficiency and minimal heat generation. It supports both 100V line and 8-ohm speaker operation, providing flexibility for different audio setups. The amplifier includes RCA line inputs, 100V Euroblock inputs, and Euroblock speaker outputs for easy connectivity. Additionally, it offers a 24V relay contact for fire alarm mute functionality, a crucial feature for safety compliance in commercial settings. With a frequency response of 100Hz to 18kHz and a signal-to-noise ratio of 80dB, this amplifier delivers clear and reliable audio performance. Its included rack-mounting hardware allows for dual-unit installation in a standard rack, making it a space-efficient solution for professional AV installations.