![background image](http://html1.mh-extra.com/html/rti/ad-4x/ad-4x_installation-and-operation-manual_1497602011.webp)
11
It’s Under Control
®
The AD-4x provides superior quality and reliability as well as these specific
features:
• Four analog stereo audio outputs (either 4 ohm or 8 ohm speakers may be
connected to the zone outputs - One 4 ohm minimum).
• Four analog audio source inputs.
• Cool Power
®
class-D amplifier provides twenty-five watts per channel.
• Amplifier offers thermal and short-circuit protection.
• Independent volume and tone control for all audio zones.
• Audio input trim adjustment on each source.
• Accessory wall plates (RSP-1) allow source equipment to be connected
remotely with a Cat-5 cable.
• Pre-outputs in each zone allow external amplification for additional power
or speakers in a zone.
• Built-in web interface provides output zone configuration and testing.
• Controlled via IP, RS-232 or Infrared.
• Optional phone and doorbell mute function.
• Zone power indicator LEDs.
• Compact, low-profile design is rack mountable (1U rack form factor) or free
standing.
CHAPTER 2 | FEATURES AND DESCRIPTION