The BOSS SP-1 Spectrum was an effect that boosted a select band of frequencies, so that instruments with a tendency to be “muddy”—such as electric bass—could be brought out in the mix. But the SP-1 also proved to be very popular among keyboard players, who paired it up with electric pianos such as the Fender® Rhode
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| Condition | Very Good (Used) Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more |
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