The Stage 240B is a 2-way 4.5” (114mm) bookshelf loudspeaker Engineered at the renowned Acoustic Engineering Centre of Excellence in Northridge, California, the Stage 240B stands as the most compact bookshelf loudspeaker in the JBL Stage Series. Despite its small size, it delivers remarkable performance and versatility, suitable for use as either main speakers or surround sound options. This loudspeaker incorporates a 2-way design featuring Next Generation patented High-Definition Imaging (HDI™) waveguide technology, a 1-inch (25mm) anodized aluminium dome tweeter, and a 4.5-inch (114mm) polycellulose ribbed cone woofer, ensuring a rich and distinctive JBL bass experience. General: Type: Bookshelf Loudspeaker System Low Frequency Driver: 4.5-inch (114mm) Polycellulose Ribbed Cone High Frequency Driver: 1-inch (25mm) Anodized Aluminum Waveguide: Next Generation HDI™ Recommended Amplifier Power: 20-125W Frequency Response ± 6dB: 53Hz-25kHz Sensitivity @ 1M, 2.83V85dB Nominal Impedance: 6 Ohms Crossover Frequencies: 1.4Khz Enclosure Tuning: Bass Reflex via Rear-Firing Tuned Port Finish: Espresso or Latte Dimensions: Dimensions (HxWxD): 272mm x 175mm x 217mm Product Weight: 4.6 kg Shipping Weight: 10.4kg Shipping Units of Measure: Pair Please note: Stands sold separately