Monster Cable SS4 Multi-Speaker Selector High current amplifier protection circuitry allows you to use up to 4 speaker pairs without damaging your amplifier. High current resistors with aluminum finned heat sinks for maximum power delivery, up to 150 watts per channel. High quality extruded aluminum chassis for heat dissipation. Accepts any gauge speaker cable terminated with Monster Angled Gold Pin connectors. 24K gold contact spring-loaded connectors for maximum signal transfer and easy cable hookup.