FEATURES
Steel housing
40V / 400W maximum @ 20kΩ
Low pass filter (CH3/4 only)
Bass boost (CH3/4 only)
Dual variable gain controls 
Selectable ground (common, ISO or 200Ω)
Load selections: 20Ω, 60Ω, 20KΩ
Clip indicator
Turn-on mode selection (remote and DC)
9.5V Output voltage
Removable quick-connect with screw-type terminal
Wide range DC offset