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The Pioneer GM analogue amplifiers are all equipped with the Gain Control, a protective function that prevents malfunction of the unit itself, as well as the speakers, caused by too much output, improper use and improper connection. Even when the amplifiers are connected to the headunits with high-voltage pre-outs, the signal is not clipped or distorted if the gain control is set to proper position, so high S/N (Signal-to-Noise) ratio is realized in the speaker level signal. To ensure continuous audio output, the amplifier's gain control must be set according to the pre-out maximum output level of the headunit. There is no need to decrease the volume of the headunit, as too much output will be controlled.
Features
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- 60 W 4 (4 W)/60 W x 2 + 150 W x 1 (4W ) / 150 W 2 (4W )/75 W 4 (2 W) (continuous power)
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120 W 4 (4W )/120 W x 2 + 300 W x 1 (4W ) / 300 W 2 (4W ) (max. power)
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Bridgeable 2/3/4-channel capability
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LPF/HPF (80 Hz, 12 dB/oct.) for A and B channels
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Input level control (200 mV to 6.5 V)
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Input level/gain control
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Low load impedance capability (4W , 2W to 8W allowable)
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RCA input and output terminals*
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Screw-type speaker terminals
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Large screw-type power/ground terminals
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Speaker level input (1.6 V to 26 V)
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PWM regulated power supply with MOSFET switching
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High-performance balanced isolator circuit
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Black metallic mesh with silver plate
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