power adjustable: 0-1000 watts. lcd displays working frequency, forward power, reflected power and uv meter. single knob operation, simple and convenient to operate. mono/stereo/mute mode optional. automatic power control maintaining the output at any preset level pre-emphasis optional at 0, 50us or 75us. dual stereo audio input interface. swr &temperature protection. alarm prompt indicated once either is out of the scope of protection value. standard 19 inches, 2u case.