Across 13 features we can compare from the published specs, the JBL Bar 1000MK2 comes out ahead on 6 and the Klipsch Flexus CORE 300 on 1. The biggest difference for movies is height: the JBL Bar 1000MK2 has 4 ceiling-firing channels and the Klipsch Flexus CORE 300 has 2. Only the JBL Bar 1000MK2 comes with a subwoofer, which matters when comparing the prices.