Punch 600a4:This is a 2001 model all sold as new in unopened boxes.
150W X 4 PUNCH AMP, 50HZ-210HZ VARIABLE LOOP THROUGH

Specifications:

Features:

150 watts x 4 at 2 ohms 300 watts x 2 in bridged mode 2-, 3-, 4-channel or Tri-Way output front and rear high-pass/low-pass crossovers (variable 50-210 Hz, 12 dB/octave speaker-level inputs preamp outputs Punch Bass boosts bass up to 18 dB at 45 Hz 4-2 switch

MOSFET power supply and output devices Maximum Efficiency Heat Sink Application (MEHSA) mounting technology increases the heat transfer from the MOSFET output devices to the heat sink TOPAZ noise-killing differential inputs that eliminate 80% of ground loop noise ransana circuitry keeps preamp voltages low and signal paths simple for outstanding audio quality NOMAD advanced protection circuitry for "intelligent" shutdown protection

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[Blaupunkt] [Clarion] [JVC] [Kicker] [Pioneer] [Rockford Fosgate]