Russound D890 Napco PowerG 915Mhz Wireless Door and

PowerG 915Mhz Wireless Door and Window Security Contact With Auxiliary Input

Dynamic Temperature Compensation maintains performance in varying environments

2000 openings per year

NDAA Compliance (The fully NDAA-compliant products are well suited for government

it supports HD audio

Russound D890 Napco PowerG 915Mhz Wireless Door andRussound D890 8 Channel Digital Amplifier The Russound D890 8 Channel Digital Amplifier delivers high performance Class D amplification for multi room audio systems, providing reliable power and flexible configuration in a compact rack mountable design. Engineered for professional installations, it offers advanced audio filtering, multiple control options, and efficient cooling for dependable performance in residential and commercial environments.