Check the listing for details. JBL 2.1 Studio Bundle w/Powered Studio Monitor Pair/Powered Studio Sub. Condition: New. Listed at 897.00 USD. This JBL 2.1 Studio Bundle includes a 308P MkII 8" powered studio monitor pair and an LSR310S 10" powered studio subwoofer.The 308P MkII 8" powered studio monitor set is a great fit for a project or home studio. With an 8" low-frequency transducer outputting solid mids and bass, and a 1" high-frequency transducer, broadcasting clear highs, you'll benefit from balanced accurate audio for mixing, mastering and production. With 112 watts of efficient Class-D amplification, the 308P MKII speaker offers big power and sound, abundant output and dynamic headroom for the most demanding production styles. The patented double-flared port is precisely calculated to work in concert with the woofer for deep bass response at all playback levels.