JBL Professional 306P MkII Speaker System - 82 W RMS - Wall Mountable - Desktop - 39 Hz to 24 kHz - 1 Patented Image Control Waveguide for detailed imaging and a broad, room-friendly sweet spot Next-generation JBL transducers for optimized transient response and improved linearity Patented Slip Stream™ low-frequency port for superior bass performance at all playback levels Dual integrated, custom Class-D amplifiers provide 112 watts of power for high output and dynamic range New Boundary EQ settings compensate for lowfrequency variants introduced by the environment HF Trim switch adjusts high-frequency output to room acoustics or personal preferences Flexible connectivity with balanced XLR and 1/4" TRS inputs, +4dBu / -10dBV input-sensitivity switch and adjustable volume control Engineered to JBL Linear Spatial Reference design criteria for outstanding accuracy in any working space Strenuous JBL 100-hour full-power test ensures years of reliability Sleek, modern design provides a visual upgrade to any studio