Operating instructions
11
It’s Under Control
®
The AD-4 provides superior quality and reliability as well as these specic
features:
• Four analog stereo audio output zones.
• Four analog audio source inputs.
• Cool Power
®
class-D amplier provides twenty-ve watts per channel.
• Amplier offers thermal and short-circuit protection.
• Independent volume and tone control for all audio zones.
• Accessory wall plates allow source equipment to be connected remotely
with a Cat-5 cable.
• Controlled via RS-232 or IR.
• Optional phone and doorbell mute function.
• Zone power indicator LEDs.
• Compact, low-prole design is rack mountable (1U rack form factor) or
free standing.
CHAPTER 2 | FEATURES AND DESCRIPTION