1、Red and black conjoined power amplifier binding post, thread tightening, convenient to use 2、The screw nut is made high grade alloy, which can protect against corrosion and ensure the highest quality audio with no distortion 3、Color coded black/red for maintaining proper polarity 4、Applicable to professional power amplifier, stable performance, compact, reliable and durable 5、Connection mode: use with 4 mm banana plug connection,or directly press cable
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