4 Channel
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Zapco ST-4X II
4 Ch. Class AB Amplifier
The most important feature shared by all the ST-X amps is the legendary Zapco sound quality, developed with over 40 years of experience.
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Zapco ST-4X P
4 Ch. High Power Class AB Amplifier
The most important feature shared by all the ST-X amps is the legendary Zapco sound quality, developed with over 40 years of experience.
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Zapco ST-4X SQ
4 Ch. Sound Q Class AB Amplifier
For the customer who appreciates the finer points of the music and wants to invest a little extra for a more “live” sound.
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Zapco Z-150.4 AP
4 Ch. Class AB Audiophile Amplifier
If you really want to hear what your home speakers can do, get a AC~DC power supply and a Zapco Z-Series AP amplifier. Then you’ll know why your car system can sound better than your home system.
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Zapco Z-150.4 II
4 Ch. Sound Q Class AB Amp
A new TI op-amp that give considerably better signal to noise ratio, with a lower floor noise. We used the same audiophile grade caps that we use in the LX and SP amps. Beefed up the power supply with more storage, less internal resistance and lower inductance for higher efficiency. We added more MOSFETS to the power supply for efficiency and current handling.
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Zapco Z-150.4 SP
4 Ch. Super Power Class AB Amp
If you want competition level sound quality and want to blow the doors off at the same time, these are your amplifiers