Sure, here's a refined and simplified version of the title focusing on the product keywords: *JBL Professional 306P MkII 6-Inch Powered Monitor Speaker - Studio & Desktop Audio**

The JBL 3 series Mk II represents an upgrade of the impressive LSR3 series, building on the company's legacy of high-quality sound performance. These compact, professional-quality, powered studio monitors retain the LSR3 series' image control waveguide, which provides incredible detail and imaging, as well as the broad sweet spot that ensures optimal sound even when listening off-axis.

The Mk II series now features updated high-frequency (HF) and low-frequency (LF) transducers, which respectively provide optimized damping for superior transient response and greater linearity that allows impressively deep bass with lower harmonic distortion. Upgrades also include new boundary equalization (EQ), which restores a neutral LF response when the speakers are placed on the work surface and adjacent walls.

Featuring patented technologies derived from the JBL Master Reference Monitors, the 306P MkII undergoes a rigorous 100-hour full-power test to ensure years of dependable performance, making it a perfect choice for your studio monitor speakers. The updated transducers result in optimized damping for superior transient response and impressive deep bass, plus accurate, crystal-clear highs, with lower harmonic distortion.

The new boundary EQ feature restores a neutral low-frequency response when the speakers are placed on the work surface and adjacent to walls. Additionally, the patented Slip Stream low-frequency port ensures superior bass performance at all playback levels.

Flexible connectivity is provided with balanced XLR and 1/4" TRS inputs, a +4dBu / -10dBV input-sensitivity switch, and an adjustable volume control. Dual integrated, custom Class-D amplifiers deliver 82 watts of power for high output and dynamic range.

When used in pairs, the JBL 306P MkII offers a broad sweet spot, providing a neutral frequency response across a wide area, allowing you to fine-tune your mix even while listening off-axis.

The purchase includes a 306P MKII studio monitor, a power cord, a quick set-up guide, and four peel-off rubber pads. Hear for yourself why JBL is legendary in sound performance and quality.

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