Alto Professional Mac 2.2 1500 Watt Rack Mountable 2-Channel Power Amplifier
Sku: Alt13-Mac2.2
Features:
1500 Watts 4 Ω bridged mono
2 x 750 Watts 2 Ω; 2 x 280 Watts 8 Ω
Convenient front-panel level controls
High-visibility LEDs indicate clipping and protection
Switchable 30 Hz low-cut filter
Balanced 1/4" and XLR inputs
Speakon and binding post outputs
Low-noise variable speed fan
Compact two rack-space design
Specifications:

Stereo Mode:

2 x 750 Watts 2 Ω (EIAJ)
2 x 420 Watts 4 Ω (EIAJ)
2 x 350 Watts 4 Ω (RMS)
2 x 280 Watts 8 Ω (EIAJ)
2 x 230 Watts 8 Ω (RMS)
Bridge Mode:

1 x 840 Watts 8 Ω (EIAJ)
1 x 710 Watts 8 Ω (RMS)
1 x 1500 Watts 4 Ω (EIAJ)
Input Connectors:

Balanced; 1/4", XLR
Output connectors
Binding post, Speakon
Front Panel Controls:

Power Switch
Channel Level Controls (? ∞ to +30 dB)
LED Indicators:

Power (Blue)
Protection (Red)
Clip (Red) x 2
Signal (Green) x 2
Rear Panel Controls:

30 Hz Low-Cut Filter (On/Off)
Bridge/Stereo/Paralle l mode switch
S / N Ratio 100 dB
Damping Factor:

>100 at 1 kHz
Dimensions (WxLxH): 19in x 18.1in x 3.5in
Weight: 30 lbs.