This is a great old school 4 channel Pioneer amplifier. GM-X564 amplifier is in good condition, with a few cosmetic issues, but works well. These amplifiers were well built back in the day and lasts a long time.

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Continuous Power (14.4V): 50Wx4 (4 ohm), 60Wx4 (2 ohm), 120Wx2 (4 ohm)

Max Power (14.4V): 100Wx4 (4 ohm), 240Wx2 (4 ohm)