Tree way system features AP 1 tweeter, AP 4 mid-bass and AP 6.5 woofer. AP4 midbass with extended frequency response, combined with high efficiency. Woofer AP 6.5 and midbass AP 4 with TPU (thermoplastic polyurethane) edge, featuring the unique shallow “TripleWave” profile for maximum linearity of excursion.
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